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精通PCB电路板生产工艺:流程与技术要点详解

小编:上海鼎纪智能电子受限集团 浏览: 刊发时刻:2024-03-06 10:43:46

介绍:

这篇文章切实一起探讨了PCB(Printed Circuit Board)电源pcb电路板DESHENGHAIZIXINGONGYI,TUJIEJIESHAOYINGWENLECONGSHEZHIDAOHOUMIANSHEBEIDESHOUYAOSHENGHAIZIFANGFAHEZHUYAOSHUIPINGZHONGYAOHUANJIE。BULUNSHENMENINSHIDIANZIWEILEMANZUDIANZISHIDAIFAZHANDEXUQIU,GONGCHENGSHI、SHENGHAIZIJIANGUANZHEYIRANSHIDUIPCBZAOCHENGGANDONGSHOUNENGLIDEZHUANYEGONGZUOZHE,ZHONGXINJUDOUJIANGWEININZHANSHI WUJIADEZHUANYEZHISHI,KEYIBANGZHUNINGENGYOUZHIDIDINGYIPCBSHENGHAIZIDEYOUNANDUXINGHEZHUNQUEXING。

 

 

PCBSANJIGUANBANSHIJINDAIDIANZICHANGWUXIANJIXIESHEBEIZHONGQIEWUHUOQUEDEGOUZAODABUFEN,NIAOLUANWEIDIANZICHANGWUXIANYUANQIJIANFENGZHUANGCHUJULEZHONGDIANDEWULIXINGZUOWEIZHICHENG,BINGSHIDIANYADIANLIULIUCHANGDEYIWANCHENGDINGZUODEGONGXIAO。WEILEGENGHAODIQIESHIBAOZHANGSANJIGUANBANDEANQUANXINGNENGHELAOKAOXING,ZHANGWOQIZHONGZHIGUOCHENGZHIGUANZHONGDIAN。XIALISHIPCBSANJIGUANBANZHONGZHISHIZHONGJIAOWEICHANGJIANDEGUOCHENGGUOCHENGHEJIYIZHONGDIAN。

 

1. SHEJIDEGAINIANYUYUJINGHUACHULI

ZAIPCBYANFAQIAN,YINGXIANYINGGAILAIJIESHUDIANYUANDIANLUGUIHUA,ZHEITONGCHANGJIEZHUDEZHUANYEDECADSHOUJIappKAISHI。GUIHUALAIJIESHUHOU,YUANSHITUXINGZILIAOBEIBIANGENGDAOGUANGKEJIAOBANSHANG,ZHEIYIGEBUZHOUTONGCHENGYUZHENGLI。JINGQUEDUDEGUIHUAHEYUZHENGLISHIYOUXIAOQUEBAOSHIJIANDIAOCHAYANFAZHUYISHIXIANGNENGSHUNLIKAISHIDEJICHUTIAOJIAN。

 

2. 用料选用

XUANZEYINGGAIDEROUXINGBANBANCAIXIANGDUI PCBDEXINGNENGCANSHUCANSHUZHIGUANGUANJIAN。KEYONGDEJICAIJIANZHUJIANZHUCAILIAOQIZHONGBAOKUOFR-4、CEM-1HELVJICAIDENG,MEIYIZHONGDEJIANZHUJIANZHUCAILIAODOUSHIQIMOUXIEDEYUNYONGDONGHUACHANGJINGHEXINGNENGCANSHUCANSHUYOUDIAN。

 

3. 光刻方法

GUANGKESHIYIZHONGZHONGYONGDAOHONGWAIGUANGPUXIANFANGUANGDENGJIANGDIANLUYUANLITUWENZHUANCHUDAODEJIBANSHANGDEDEJISHU。ZHEILEIBUJUGUIDINGYAOQIUJIAOGAODEJINGZHUNDU,YOUYUTAHUIZHIJIEYINXIANGDAODIANLANDEPINGMUKUANDUPIPEIHEGAODU。

 

4. 磷化与蚀刻

ZAIGUANGKEZHIQIAN,JIGANGBANHUILUJINGLINHUAHESHIKEFANGSHI,KUAISUQINGLISHENGYUDEBUXIUGANGCAILIAOLIAO,BIANZHIJINGZHUNDESANJIGUANTUYANG。SHIKEFANGSHIXUYANYAOQIUYIZHIYIYIMIANWUXIANHUOQUEXIAN。

 

5. 成孔与镀铜

ZHENDUIYUSHUANGCENGPCB,HAIYAOWAKONGYIXIANGLIANQITADECENG。WAKONGTIJIAOHOU,KONGBIHAIYAODUTONGYIBAOZHENGZHILIANGJIAOHAODEDIANLIXIANGLIAN。

 

6. 层压与固定

ZAIGOUZAO GAOCENGPCBSHI,SUOYOUCENGNENGGOU CENGYAGONGYIJISHUGENJUZAIYIKUAI。CENGYAHOUDEpcbBANBANYAOQIUGENJUGAOWENGAOYAGANGU,YIBAOZHANGJIAGOUDEGULAOXINGHENAIJIUDUXING。

 

7. WAIBIAOMIANJINXINGCHULI

WEILEGENGHAODIZENGZHANGPCBDEKEHANXINGHEFANGWUSHIXING,WAIBIYINGGAITONGGUOCAOZUO。ZHONGLEIDEWAIBICAOZUODEFANGSHIBAOHANAIFENGZHENGPING(HASL)、DIANNIEJIN(ENIG)HEYOUJIFEILIAOKEHANXINGHEHUJI(OSP)DENG。

 

8. CESHIRUANJIANYUXIAOLVSHEDING

HOU,DADAODEPCBBIXUYOURENZHENDEKAOSHIHESHUIPINGCAOZONG,LIRUXIANXIAKAOSHI(ICT)、HUIZIDONGGUANGDIANJISHUTANCE(AOI)HEXIAONENGKAOSHIDENG,BAOCHIMEIGERENKUAIJICHENGYUNFANGBANDOUJUBEISHEJIDEGAINIANBIAOZHUNHUAHEXIAONENGXIANGYAO。

 

小结:

PCBDIANLUYUANLIXITONGBANDEJIAGONGYISHEJIYESHIGECUOZONGFUZAERJINGMIJIAGONGDESHIHOU,YOUHENDUOGEGUANJIANXINGFANGFAHEXITONGZHONGDIAN。CONGZHUANGXIUSHEJIDAOZHONGJIUCEPING,MEIGERENBUDOUBIXU JINGQUEDUGAOKONGZHIHEZHUANYEXINGJICHUZHISHI。JINGGUOZONGSHISEOYOUHUAYILIUCHENGTUHEXITONG,JIAGONGQIYEKENENGJIAGONGCHUYOUZHIHUALIANG、XINGNENGMOSHIZHIBIAODEPCBDIANLUYUANLIXITONGBAN,TIGONGZONGSHIBODONGDESHIYANGSHIYONGXUQIU。

 

CAIYONGBENSHIDEJIESHAOYINGWEN,XIAOBIANXIWANGGUANZHONGYEKEYIDUIPCBXIANLUBANDEZHIZAOJIAGONGZHIZUOGONGYI YOUTAISHENRUDESHUZHI ,BINGZAIXIANSHIQINGKUANGGUANGFANYINGYONGZHONGYUNZUOZHEIXINXI,YITISHENGLEICHANPINDEZHILIHEZHIZAOXUEXIXIAOLV。


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