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华秋电路 > 技术中心 > PCB设计 > 盘点高可靠性PCB的十四大重要特征

盘点高可靠性PCB的十四大重要特征

2016年07月08日 16:09:33 来源:华秋电路 作者:Greta

  ZHAYIKAN,PCBBULUNNEIZAIZHILIANGRUHE,BIAOMIANSHANGDOUCHABUDUO。ZHENGSHITOUGUOBIAOMIAN,WOMENCAIKANDAOCHAYI,ERZHEIXIECHAYIDUIPCBZAIZHENGGESHOUMINGZHONGDENAIYONGXINGHEGONGNENGZHIWEIGUANJIAN。


  WULUNSHIZAIZHIZAOZUZHUANGLIUCHENGHAISHIZAISHIJISHIYONGZHONG,PCBDOUYAOJUYOUKEKAODEXINGNENG,ZHEIYIDIANZHIGUANZHONGYAO。CHUXIANGGUANCHENGBENWAI,ZUZHUANGGUOCHENGZHONGDEQUEXIANKENENGHUIYOUPCBDAIJINZUIZHONGCHANPIN,ZAISHIJISHIYONGGUOCHENGZHONGKENENGHUIFASHENGGUZHANG,DAOZHISUOPEI。YINCI,CONGZHEIYIDIANLAIKAN,KEYIHAOBUWEIGUODISHUO,YIKUAIYOUZHIPCBDECHENGBENSHIKEYIHULVEBUJIDE。ZAISUOYOUXIFENSHICHANG,TEBIESHISHENGCHANGUANJIANYINGYONGLINGYUDECHANPINDESHICHANGLI,CILEIGUZHANGDEHOUGUOBUKANSHEXIANG。


  DUIBIPCBJIAGESHI,YINGLAOJIZHEIXIEFANGMIAN。SUIRANKEKAO、YOUBAOZHENGHEZHANGSHOUMINGCHANPINDECHUQIFEIYONGJIAOGAO,DANCONGZHANGQILAIKANHAISHIWUYOUSUOZHIDE。XIAMIANYIQILAIKANKANGAOKEKAOXINGDEXIANLUBANDE14GEZUIZHONGYAODETEZHENG:


  1、25微米的孔壁铜厚


  HAOCHU:


金陵棋牌  ZENGQIANGKEKAOXING,BAOKUOGAIJINzZHOUDENAIPENGZHANGNENGLI。


  BUZHEIYANGZUODEFENGXIAN:


  CHUIKONGHUOCHUQI、ZUZHUANGGUOCHENGZHONGDEDIANXINGLIANTONGXINGWENTI(NEICENGFENLI、KONGBIDUANLIE),HUOZAISHIJISHIYONGSHIZAIFUHETIAOJIANXIAYOUKENENGFASHENGGUZHANG。IPCClass2(DADUOSHUGONGCHANGSUOCAIYONGDEBIAOZHUN)GUIDINGDEDUTONGYAOSHAO20%。


  2、无焊接修理或断路补线修理


  HAOCHU:


金陵棋牌  WANMEIDEDIANLUKEQUEBAOKEKAOXINGHEANQUANXING,WUWEIXIU,WUFENGXIAN


  BUZHEIYANGZUODEFENGXIAN


  RUGUOXIUFUBUDANG,JIUHUIZAOCHENGDIANLUBANDUANLU。JIBIANXIUFU‘DEDANG’,ZAIFUHETIAOJIANXIA(ZHENDONGDENG)YEHUIYOUFASHENGGUZHANGDEFENGXIAN,CONGERKENENGZAISHIJISHIYONGZHONGFASHENGGUZHANG。


  3、超越IPC规范的清洁度要求


  HAOCHU


金陵棋牌  TIGAOPCBQINGJIEDUJIUNENGTIGAOKEKAOXING。


  BUZHEIYANGZUODEFENGXIAN


金陵棋牌  XIANLUBANSHANGDECANZHA、HANLIAOJIJUHUIJIFANGHANCENGDAILAIFENGXIAN,LIZICANZHAHUIDAOZHIHANJIEBIAOMIANFUSHIJIWURANFENGXIAN,CONGERKENENGDAOZHIKEKAOXINGWENTI(BULIANGHANDIAN/DIANQIGUZHANG),BINGZUIZHONGZENGJIASHIJIGUZHANGDEFASHENGGAILV。


  4、严格控制每一种表面处理的使用寿命


  HAOCHU


金陵棋牌  HANXIXING,KEKAOXING,BINGJIANGDICHAOQIRUQINDEFENGXIAN


  BUZHEIYANGZUODEFENGXIAN


金陵棋牌  YOUYULAODIANLUBANDEBIAOMIANCHULIHUIFASHENGJINXIANGBIANHUA,YOUKENENGFASHENGHANXIXINGWENTI,ERCHAOQIRUQINZEKENENGDAOZHIZAIZUZHUANGGUOCHENGHE/HUOSHIJISHIYONGZHONGFASHENGFENCENG、NEICENGHEKONGBIFENLI(DUANLU)DENGWENTI。


  5、使用国际知名基材–不使用“当地”或未知品牌


  HAOCHU


  TIGAOKEKAOXINGHEYIZHIXINGNENG


  BUZHEIYANGZUODEFENGXIAN


  JIXIEXINGNENGCHAYIWEIZHEDIANLUBANZAIZUZHUANGTIAOJIANXIAWUFAFAHUIYUQIXINGNENG,LIRU:PENGZHANGXINGNENGJIAOGAOHUIDAOZHIFENCENG、DUANLUJIQIAOQUWENTI。DIANTEXINGXUERUOKEDAOZHIZUKANGXINGNENGCHA。


  6、覆铜板公差符合IPC4101ClassB/L要求


  HAOCHU


  YANGEKONGZHIJIEDIANCENGHOUDUNENGJIANGDIDIANQIXINGNENGYUQIZHIPIANCHA。


  BUZHEIYANGZUODEFENGXIAN


  DIANQIXINGNENGKENENGDABUDAOGUIDINGYAOQIU,TONGYIPIZUJIANZAISHUCHU/XINGNENGSHANGHUIYOUJIAODACHAYI。


  7、界定阻焊物料,确保符合IPC-SM-840ClassT要求


  HAOCHU


  “YOULIANG”YOUMO,SHIXIANYOUMOANQUANXING,QUEBAOZUHANCENGYOUMOFUHEULBIAOZHUN。


  BUZHEIYANGZUODEFENGXIAN


金陵棋牌  LIEZHIYOUMOKEDAOZHIFUZHELI、RONGJIKANGNAIJIYINGDUWENTI。SUOYOUZHEIXIEWENTIDOUHUIDAOZHIZUHANCENGYUDIANLUBANTUOLI,BINGZUIZHONGDAOZHITONGDIANLUFUSHI。JUEYUANTEXINGBUJIAKEYINYIWAIDEDIANXINGLIANTONGXING/DIANHUZAOCHENGDUANLU。


  8、界定外形、孔及其它机械特征的公差


  HAOCHU


  YANGEKONGZHIGONGCHAJIUNENGTIGAOCHANPINDECHICUNZHILIANG–GAIJINPEIHE、WAIXINGJIGONGNENG


  BUZHEIYANGZUODEFENGXIAN


  ZUZHUANGGUOCHENGZHONGDEWENTI,BIRUDUIQI/PEIHE(ZHIYOUZAIZUZHUANGWANCHENGSHICAIHUIFAXIANYAPEIHEZHENDEWENTI)。CIWAI,YOUYUCHICUNPIANCHAZENGDA,ZHUANGRUDIZUOYEHUIYOUWENTI。


  9、对阻焊层厚度要求,尽管IPC没有相关规定


  HAOCHU


金陵棋牌  GAIJINDIANJUEYUANTEXING,JIANGDIBOLUOHUOSANGSHIFUZHELIDEFENGXIAN,JIAQIANGLEKANGJIJIXIECHONGJILIDENENGLI–WULUNJIXIECHONGJILIZAIHECHUFASHENG!


  BUZHEIYANGZUODEFENGXIAN


  ZUHANCENGBOKEDAOZHIFUZHELI、RONGJIKANGNAIJIYINGDUWENTI。SUOYOUZHEIXIEWENTIDOUHUIDAOZHIZUHANCENGYUDIANLUBANTUOLI,BINGZUIZHONGDAOZHITONGDIANLUFUSHI。YINZUHANCENGBOERZAOCHENGJUEYUANTEXINGBUJIA,KEYINYIWAIDEDAOTONG/DIANHUZAOCHENGDUANLU。


  10、界定了外观要求和修理要求,尽管IPC没有界定


  HAOCHU


金陵棋牌  ZAIZHIZAOGUOCHENGZHONGJINGXINHEHUHERENZHENZIXIZHUJIUANQUAN。


  BUZHEIYANGZUODEFENGXIAN


  DUOZHONGCASHANG、XIAOSUNSHANG、XIUBUHEXIULI–DIANLUBANNENGYONGDANBUHAOKAN。CHULEBIAOMIANNENGKANDAODEWENTIZHIWAI,HAIYOUNAXIEKANBUDAODEFENGXIAN,YIJIDUIZUZHUANGDEYINGXIANG,HEZAISHIJISHIYONGZHONGDEFENGXIANNI?


  11、对塞孔深度的要求


  HAOCHU


  GAOZHILIANGSAIKONGJIANGJIANSHAOZUZHUANGGUOCHENGZHONGSHIBAIDEFENGXIAN。


  BUZHEIYANGZUODEFENGXIAN


金陵棋牌  SAIKONGBUMANDEKONGZHONGKECANLIUCHENJINLIUCHENGZHONGDEHUAXUECANZHA,CONGERZAOCHENGKEHANXINGDENGWENTI。ERQIEKONGZHONGHAIKENENGHUIZANGYOUXIZHU,ZAIZUZHUANGHUOSHIJISHIYONGZHONG,XIZHUKENENGHUIFEIJIANCHULAI,ZAOCHENGDUANLU。


  12、指定可剥蓝胶品牌和型号


  HAOCHU


  KEBOLANJIAODEZHIDINGKEBIMIAN“BENDI”HUOLIANJIAPINPAIDESHIYONG。


  BUZHEIYANGZUODEFENGXIAN


金陵棋牌  LIEZHIHUOLIANJIAKEBOJIAOZAIZUZHUANGGUOCHENGZHONGKENENGHUIQIPAO、RONGHUA、POLIEHUOXIANGHUNNINGTUNEIYANGNINGGU,CONGERSHIKEBOJIAOBOBUXIALAI/BUQIZUOYONG。


  13、对每份采购订单执行特定的认可和下单程序


  HAOCHU


  GAICHENGXUDEZHIXING,KEQUEBAOSUOYOUGUIGEDOUYIJINGQUEREN。


  BUZHEIYANGZUODEFENGXIAN


  RUGUOCHANPINGUIGEDEBUDAORENZHENQUEREN,YOUCIYINQIPIANCHAKENENGYAODAOZUZHUANGHUOZUIHOUCHENGPINSHICAIFAXIAN,ERZHEISHIJIUTAIWANLE。


  14、不接受有报废单元的套板


  HAOCHU


金陵棋牌  BUCAIYONGJUBUZUZHUANGNENGBANGZHUKEHUTIGAOXIAOLV。


  BUZHEIYANGZUODEFENGXIAN


  DAIYOUQUEXIANDETAOBANDOUXUYAOTESHUDEZUZHUANGCHENGXU,RUGUOBUQINGCHUBIAOMINGBAOFEIDANYUANBAN(x-out),HUOBUBATACONGTAOBANZHONGGELICHULAI,JIUYOUKENENGZHUANGPEIZHEIKUAIYIZHIDEHUAIBAN,CONGERLANGFEILINGJIANHESHIJIAN。


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