id: e2f4ab9a53b04240bfc44db255727c76
parent_id: 
item_type: 1
item_id: 7dec29bbd6de4bc9babc556313444b6c
item_updated_time: 1764345618853
title_diff: "[{\"diffs\":[[1,\"PCB产业链（含全球PCB百强和完整加工过程）！\"]],\"start1\":0,\"start2\":0,\"length1\":0,\"length2\":24}]"
body_diff: "[{\"diffs\":[[1,\"<html>\\\r\\\n<head>\\\r\\\n  <title>PCB产业链（含全球PCB百强和完整加工过程）！</title>\\\r\\\n  <basefont face=\\\"微软雅黑\\\" size=\\\"2\\\" />\\\r\\\n  <meta http-equiv=\\\"Content-Type\\\" content=\\\"text/html;charset=utf-8\\\" />\\\r\\\n  <meta name=\\\"exporter-version\\\" content=\\\"YXBJ Windows/608924 (zh-CN, DDL); Windows/10.0.0 (Win64); EDAMVersion=V2;\\\"/>\\\r\\\n  <meta name=\\\"content-class\\\" content=\\\"yinxiang.peso.superNote\\\"/>\\\r\\\n  <meta name=\\\"application-data:yinxiang.noteLayout\\\" content=\\\"{\\\"lineSpace\\\":\\\"recommend\\\",\\\"paragraphSpace\\\":\\\"recommend\\\"}\\\"/>\\\r\\\n  <style>\\\r\\\n\\tbody, td {\\\r\\\n\\t  font-family: 微软雅黑;\\\r\\\n\\t  font-size: 12pt;\\\r\\\n\\t}\\\r\\\n  </style>\\\r\\\n</head>\\\r\\\n<body>\\\r\\\n<a name=\\\"36702\\\"></a>\\\r\\\n<h1>PCB产业链（含全球PCB百强和完整加工过程）！</h1>\\\r\\\n\\\r\\\n<div><span style=\\\"\\\"><div style=\\\"max-width: 700px;\\\"><p></p><div style=\\\"--en-blockquote: true; box-sizing: border-box; border-left: 3px solid #b4c0cc; background-position: initial initial; background-repeat: initial initial;\\\"><div>原文链接: <a href=\\\"http://mp.weixin.qq.com/s?__biz=MzU5NzA3MDQxMA==&amp;mid=2247488693&amp;idx=1&amp;sn=b3898c8edc4bfb59c93890f796df9725&amp;chksm=fe585390c92fda86f3562b2ecd24e06b39b5a31105d7469f9868f88e34385da4eca0999d5554&amp;mpshare=1&amp;scene=2&amp;srcid=&amp;from=timeline#rd\\\"><span>http://mp.weixin.qq.com/s?__biz=MzU5NzA3MDQxMA==&amp;mid=2247488...</span></a></div></div><p></p><div style=\\\"-webkit-tap-highlight-color: transparent;\\\"><div style=\\\"-webkit-tap-highlight-color: transparent;\\\"><div style=\\\"-webkit-tap-highlight-color: transparent;\\\"><div style=\\\"-webkit-tap-highlight-color: transparent;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent;\\\"><a style=\\\"-webkit-tap-highlight-color: transparent;\\\"> 旺材芯片 </a></span><span style=\\\"-webkit-tap-highlight-color: transparent;\\\"><em style=\\\"-webkit-tap-highlight-color: transparent;\\\"></em></span></div><div style=\\\"-webkit-tap-highlight-color: transparent;\\\"><div style=\\\"-webkit-tap-highlight-color: transparent; white-space: normal;\\\"><div style=\\\"--en-blockquote: true; -webkit-tap-highlight-color: transparent;\\\"><p style=\\\"-webkit-tap-highlight-color: transparent;\\\"><img src=\\\":/e773e9f1c5d84bd0aa87ff7b140dba1b\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; letter-spacing: 0.544px; box-sizing: border-box; overflow-wrap: break-word; width: auto; __visibility: visible;\\\" width=\\\"auto\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent;\\\"/></span></p><p style=\\\"-webkit-tap-highlight-color: transparent;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent;\\\">来源：ITTBANK<br style=\\\"-webkit-tap-highlight-color: transparent;\\\"/></span></p></div></div><p style=\\\"-webkit-tap-highlight-color: transparent;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent;\\\"/></span></strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\">PCB的产业链从上至下依次为：</span></strong><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; color: rgb(171,25,66); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\">上游原材料</span></strong><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\">—</span></strong><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; color: rgb(171,25,66); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\">中游基材</span></strong></span><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\">—</span></strong><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; color: rgb(171,25,66); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\">下游PCB应用</span></strong></span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/e7f0827abd26402d8df149db958055fb\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; width: auto; __visibility: visible;\\\" width=\\\"auto\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/e2feb157891c4722b1900d3297387713\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; text-align: center; white-space: normal; width: auto;\\\" width=\\\"auto\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; color: rgb(171,25,66); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/cbac09c70c354fd38009566dd8d8d1b2\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; letter-spacing: 0.544px; text-align: center; white-space: normal; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word; width: auto; __visibility: visible;\\\" width=\\\"auto\\\"/></span></strong></span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; color: rgb(171,25,66); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/3f160c4e2aba4e4f8b53da16f7d90f0f\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; letter-spacing: 0.544px; text-align: center; white-space: normal; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word; width: auto; __visibility: visible;\\\" width=\\\"auto\\\"/></span></strong></span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; color: rgb(171,25,66); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/3da7a2c684c548a397df265e39497234\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; letter-spacing: 0.544px; text-align: center; white-space: normal; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word; width: auto; __visibility: visible;\\\" width=\\\"auto\\\"/></span></strong></span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; color: rgb(171,25,66); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/7a74d5199a294a888e042e2428096754\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; letter-spacing: 0.544px; white-space: normal; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word; width: auto; __visibility: visible;\\\" width=\\\"auto\\\"/></span></strong></span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; color: rgb(171,25,66); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/8e5ca73654a8416b823dadf6dfb7cb3c\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; letter-spacing: 0.544px; white-space: normal; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word; width: auto; __visibility: visible;\\\" width=\\\"auto\\\"/></span></strong></span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; color: rgb(171,25,66); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent;\\\"/></span></strong></span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; color: rgb(171,25,66); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\">上游原材料</span></strong></span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">上游原材料包括铜箔、树脂、玻璃纤维布、木浆、油墨、铜球等，其中铜箔、树脂和玻璃纤维布是三大主要原材料。</strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">铜箔是制造覆铜板最主要的原材料，约占覆铜板成本的30%（厚板）和50%（薄板）。铜箔的价格取决于铜的价格变化，受国际铜价影响较大。铜箔是一种阴质性电解材料，沉淀于电路板基底层上，它作为PCB的导电体在PCB中起到导电、散热的作用。</span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">玻璃纤维布也是覆铜板的原材料之一，由玻纤纱纺织而成，约占覆铜板成本的40%（厚板）和25%（薄板）。玻纤布在PCB制造中作为增强材料起到增加强度和绝缘的作用，在各类玻纤布中，合成树脂在PCB制造中则主要作为粘合剂将玻璃纤维布粘合到一起。</span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/c4bd24b1a24b40a19a9bb76442ef0b30\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; width: auto; __visibility: visible;\\\" width=\\\"auto\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">全球前十大电解铜箔生产企业产量占比</span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">铜箔生产行业集中度高，行业龙头议价能力强。PCB生产所使用的铜箔主要采用电解法制成，电解铜箔的工艺流程较长，加工要求严格，存在资本和技术壁垒，历经数次整合后行业集中度较高，全球铜箔前十大生产商占据73%的产量，对整个铜箔行业的议价能力较强，上游原材料铜的涨价可向下转移。铜箔价格影响覆铜板价格，进而向下引起线路板价格变化。</span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; color: rgb(171,25,66); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\">中游基材</span></strong></span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">中游基材主要指覆铜板（CCL）。覆铜板由铜箔，环氧树脂，玻璃纤维纱等原材料加工制成。PCB营业成本中原材料成本占比较大，约60-70%。</strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">覆铜板是PCB制造的核心基材。覆铜板是将增强材料浸以有机树脂，一面或两面覆以铜箔，经热压而成的一种板状材料，担负着（PCB）导电、绝缘、支撑三大功能，是一类专用于PCB制造的特殊层压板，覆铜板占整个PCB生产成本的20%～40%，在所有PCB的物料成本中占比最高，玻纤布基板是最常见的覆铜板类型，由玻纤布作为增强材料，环氧树脂为粘合剂制成。</span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/9ddbc669c0f644aab8e55ae8d433b27c\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; width: auto; __visibility: visible;\\\" width=\\\"auto\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">覆铜板构造示意图</span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 1px; color: rgb(171,25,66); background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; box-sizing: border-box; word-wrap: break-word;\\\">下游PCB的应用</span></strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">下游则是各类PCB的应用，产业链自上而下行业集中度依次降低。</strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">在通信领域</span></strong><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">的应用占比由2009年的22%提升至2017年的27%，PCB在通信领域的应用呈稳步上升趋势，主要运用于手机、光模块、滤波器、通讯背板、通讯基站天线等设备中；</span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/352b7f5d44d64aa784e74efafe16888a\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; width: auto; __visibility: visible;\\\" width=\\\"auto\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">在计算机应用领域</span></strong><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">，PCB产值占比由2009年的32%逐步下降至2016年的27%。主要由于计算机产业今年来增长逐步放缓；</span><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"></span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">在消费电子领域</span></strong><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">，PCB应用占比基本保持平稳，保持在14~15%，PCB在消费电子领域主要运用于家电、无人机、VR设备等产品中；</span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"></span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">在汽车电子领域</span></strong><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">，PCB主要运用于GPS导航、汽车音响、汽车仪表盘、汽车传感器等设备中；</span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/aa8c87077c304b98ab6f323fb2ff79a8\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; width: auto; __visibility: visible;\\\" width=\\\"auto\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">在工控医疗领域</span></strong><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">，PCB主要运用于工业电脑、变频器、测量仪、医疗显示器等设备中；在航空航天领域，PCB主要运用于飞行器、航空遥感系统、航空雷达等设备中。</span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; color: rgb(255,41,65); box-sizing: border-box; word-wrap: break-word;\\\">PCB完整加工过程</span></strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">大多数工程师把PCB文件，或者gerber文件发给厂家之后，就可以等着回板了。但是往往硬件研发岗位工作很多年都没有机会去PCB生产厂去看看整个生产的过程。</strong><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; color: rgb(136,136,136); box-sizing: border-box; word-wrap: break-word;\\\">(<span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%;\\\">此内容</span><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; text-align: right;\\\">来源：硬件十万个为什么)</span></span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">今天带你走一遭。看一看完整的过程。</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/3aa5a980dd7f48f9bbf3659e299144b9\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; __visibility: visible; width: auto;\\\" width=\\\"auto\\\"/><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">第一步，开料</strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">PCB板厂的原材料一般都是1020mm×1020mm和1020mm×1220mm规格的多，如果单板或拼板的尺寸不合适，PCB生产过程中，就会产生很多的原料废边，PCB板厂会把之些废边的价格都加到你的板子上，这样你的PCB板单位价格就贵一些；如果板子大小设计得好，单板或拼板的尺寸是原材料的n等分，那么原材料的利用率就最高，PCB板厂也好开料，以一样的原材料尺寸，做出最多的板子，单板价格也就是最便宜的了。</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">我们把买来的覆铜板，切割成我们需要的大小，叫做开料。<br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">开料设备：（把大板子切成小板子）</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/9fdf66d668164ddab06d980632611563\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; __visibility: visible; width: auto;\\\" width=\\\"auto\\\"/><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">最早的覆铜板是，是一个介质层，两面覆上铜。</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/ea8850ef22944564acdc78cf7e19e04a\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; __visibility: visible; width: auto;\\\" width=\\\"auto\\\"/><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">上图为覆铜板的剖面图。</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">第二步，排版</strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/66e4b674ab3d49d38e46735be4ac7694\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; __visibility: visible; width: auto;\\\" width=\\\"auto\\\"/><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">第三步：菲林</strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">把客户提供的图形文件通过软件进行导入和修改，并最终把图形输出在菲林上。<strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">就是把你给厂家的gerber文件变成胶片。</strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">菲林就是胶片就是银盐感光胶片，也叫菲林。由PC/PP/PET/PVC料制作而成。现在一般是指胶卷,也可以指印刷制版中的底片。菲林都是黑色的</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/a6bbbc21d0d74f23b1e4c6d0a0504ed9\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; __visibility: visible; width: auto;\\\" width=\\\"auto\\\"/><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">第四步、曝光</strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">在覆铜板表面会涂一层感光液体，经过80度的温试烤干，再用菲林贴在PCB板上，再经过紫外线曝光机曝光，撕下菲林。</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">下图为曝光机：</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/9a053d7642434dd6ba8838e21975450c\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; __visibility: visible; width: auto;\\\" width=\\\"auto\\\"/><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">第五步、蚀刻</strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">单独一个蚀刻过程可以拆解为下面几步</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/4f04fc0fb3a441109a242a424c3e8795\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; __visibility: visible; width: auto;\\\" width=\\\"auto\\\"/><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">PCB的蚀刻机</span><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><h1 style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">板子在滚轮下方流动</strong></h1><h1 style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">为什么PCB内外层蚀刻方法不一样</span></h1><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">内层：显影→蚀刻→剥离</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">外层：显影→二铜镀锡→剥离→蚀刻→剥锡</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">为什么这么做？外层这样蚀刻不是工序更多吗？</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">内层一般线宽线距较大，故Ring环是够的；外层一般线路较密，空间不够，所以这个时候就需要想办法在不够的空间内达到做出线路的目的。堿蚀的能力可以达到1~2mil的ring即可，但是酸蚀则需要5mil左右，所以就必须使用锡将需要的线路先保护起来。在能不做堿蚀的地方尽量不做，因为堿蚀成本高於酸蚀。蚀刻因子是一个工厂的制成能力，是无法通过工序来提高的。酸堿蚀的蚀刻能力不一样而已。</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">第六步、钻孔</strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">机器按照文件中过孔的尺寸和坐标，在PCB上面钻孔。</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent;\\\"/></p><div style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 0.544px; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">如过做成非金属孔，线路板厂必须用干膜或者做二钻或者塞胶粒，无论怎么做都会增加板厂成本。所以如果你不要求的话，板厂一般都会做金属化孔给你。</div><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/9ed33844c610436caa3114fb191b5333\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; __visibility: visible; width: auto;\\\" width=\\\"auto\\\"/><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">第七步、沉铜</strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">沉铜是在本来不导电的基材(孔壁)以及铜面上沉上一层化学薄铜</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/><img src=\\\":/467be3f0d91540b2beb3af1548844e4a\\\" type=\\\"image/gif\\\" data-filename=\\\"640.gif\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; border-width: 1px; border-style: solid; border-color: rgb(238,237,235); background-color: rgb(238,237,235); background-size: 22px; background-position: 50% 50%; background-repeat: no-repeat; height: 177px; box-sizing: border-box; word-wrap: break-word; __visibility: visible; width: auto;\\\" width=\\\"auto\\\"/><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">第八步 绿油、字符</strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/f30160b2733443888b8ddfa46483e1fd\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; border-width: 1px; border-style: solid; border-color: rgb(238,237,235); background-color: rgb(238,237,235); background-size: 22px; background-position: 50% 50%; background-repeat: no-repeat; box-sizing: border-box; word-wrap: break-word; __visibility: visible; width: auto;\\\" width=\\\"auto\\\"/><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></strong></p><h1 style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">PCB低温UV机，用途：紫外线（UV）披覆涂层固化</span></h1><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">刷字符：<br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">字符网版<br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/><img src=\\\":/a15e2198e3614303801d7bb88706c6b6\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; __visibility: visible; width: auto;\\\" width=\\\"auto\\\"/><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\">最后一步、综检</strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; word-wrap: break-word;\\\">样品加工的时候，工厂一般不做夹具进行测试，手工测试；如果小批量的时候，工厂需要制作测试夹具，测试所有走线的阻抗，连通性。</p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; overflow-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; word-wrap: break-word;\\\"><img src=\\\":/d25bf3e1e87344b580bcdaa2088b3a8e\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; word-wrap: break-word; __visibility: visible; width: auto;\\\" width=\\\"auto\\\"/></strong></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; font-variant-numeric: normal; font-variant-east-asian: normal; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: center; letter-spacing: 1.5px; background-color: rgb(255,255,255); box-sizing: border-box; overflow-wrap: break-word;\\\"><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 0.544px; box-sizing: border-box; overflow-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 0.5px; background-color: rgb(255,251,0); box-sizing: border-box; overflow-wrap: break-word;\\\">长按二维码识别关注旺材芯片</span></strong><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word;\\\"/></p><p style=\\\"max-width: 100%; box-sizing: border-box; min-height: 1em; font-variant-numeric: normal; font-variant-east-asian: normal; letter-spacing: 0.544px; white-space: normal; widows: 1; -webkit-tap-highlight-color: transparent; color: rgb(34,34,34); text-align: center; background-color: rgb(255,255,255); overflow-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; color: rgb(63,63,63); box-sizing: border-box; overflow-wrap: break-word;\\\"><img src=\\\":/b0bf65023b56423887c116dc5538bea1\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; color: rgb(51,51,51); letter-spacing: 0.544px; box-sizing: border-box; overflow-wrap: break-word; __visibility: visible; width: auto;\\\" width=\\\"auto\\\"/></span></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; font-variant-numeric: normal; font-variant-east-asian: normal; letter-spacing: 0.544px; white-space: normal; widows: 1; text-align: center; background-color: rgb(255,255,255); box-sizing: border-box; overflow-wrap: break-word;\\\"><img src=\\\":/5eb379df93294a199075874b127ed2f1\\\" type=\\\"image/jpeg\\\" data-filename=\\\"640.jpg\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; box-sizing: border-box; overflow-wrap: break-word; width: auto; __visibility: visible;\\\" width=\\\"auto\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; font-variant-numeric: normal; font-variant-east-asian: normal; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); background-color: rgb(255,255,255); box-sizing: border-box; overflow-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 0.544px;\\\">【</span><strong style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 0.544px; box-sizing: border-box; overflow-wrap: break-word;\\\">免责声明</strong><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 0.544px;\\\">】</span><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 0.544px; text-align: center;\\\">文章为作者独立观点，不代表旺材芯片立场。如因作品内容、版权等存在问题，请于本文刊发30日内联系旺材芯片进行删除或洽谈版权使用事宜。</span></span><br style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; box-sizing: border-box; overflow-wrap: break-word;\\\"/></p><p style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; min-height: 1em; font-variant-numeric: normal; font-variant-east-asian: normal; letter-spacing: 0.544px; white-space: normal; widows: 1; color: rgb(62,62,62); text-align: right; background-color: rgb(255,255,255); box-sizing: border-box; overflow-wrap: break-word;\\\"><span style=\\\"-webkit-tap-highlight-color: transparent; max-width: 100%; letter-spacing: 0.544px; text-align: center; box-sizing: border-box; overflow-wrap: break-word;\\\"><img src=\\\":/996f6d5db79f40f89e784deb57d25523\\\" type=\\\"image/png\\\" data-filename=\\\"640.png\\\" style=\\\"--en-marks: %7B%22align%22%3A%22center%22%7D; -webkit-tap-highlight-color: transparent; letter-spacing: 0.544px; text-align: right; box-sizing: border-box; overflow-wrap: break-word; __visibility: visible; width: auto;\\\" width=\\\"auto\\\"/></span></p></div></div></div></div></div></span>\\\n</div></body></html>\\u0000\"]],\"start1\":0,\"start2\":0,\"length1\":0,\"length2\":61073}]"
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