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去除PCB沉银层的重要技术和方法

点击:4408 日期:2016-02-24 选择字号:

    一、目前现状

    DAJIADOUZHIDAO,YINWEIYINZHIXIANLUBANWANCHENGZHUANGPEIHOUBUNENGZHONGGONG,SUOYIYINWEIKONGDONGERBAOFEISUOZAOCHENGDECHENGBENSUNSHIZUIGAO。SUIRANQIZHONGYOUBAGEPWBZHIZAOCHANGSHANGYINWEIKEHUTUIJIANERZHUYIDAOLEGAIQUEXIAN,DANSHICILEIQUEXIANZHUYAOHAISHIYOUZHUANGPEICHANGSHANGTICHU。KEHANXINGWENTIGENBENMEIYOUBEIPWBZHIZAOCHANGSHANGBAOGAOGUO,ZHIYOUSANJIAZHUANGPEICHANGSHANGWUJIANGFASHENGZAINEIBUYOUDASANRECAO/MIANDEGAOZONGHENGBI(HAR)HOUBANSHANGDE”SUOXI”WENTI(SHIZHIZAIBOFENGHANHOUHANXIZHITIANCHONGDAOKONGSHENDUDEYIBAN)GUIJIUYUCHENYINCENG。JINGYOUYUANSHISHEBEISHANG(OEM)ZHENDUICIWENTIGENGSHENRUDEYANJIUYANZHENG,CIWENTIWANQUANSHIYOUYUXIANLUBANSHEJISUOCHANSHENGDEKEHANXINGWENTI,YUCHENYINGONGYIHUOQITAZUIZHONGBIAOMIANCHULIFANGSHIWUGUAN。

    二、根本原因分析

    TONGGUODUIZAOCHENGQUEXIANDEGENBENYUANYINFENXI,KEJINGYOUGONGYIGAISHANHECANSHUYOUHUAXIANGJIEHEDEFANGSHIJIANGZHEIXIEQUEXIANLVJIANGDAOZUIDI。JIAFANNIXIAOYINGTONGCHANGCHUXIANZAIZUHANMOHETONGMIANZHIJIANDELIEFENGXIA。ZAICHENYINGUOCHENGZHONG,YINWEILIEFENGDEFENGXIFEICHANGXIAO,XIANZHILECHENYINYEDUICICHUDEYINLIZIGONGYING,DANSHICICHUDETONGKEYIBEIFUSHIWEITONGLIZI,RANHOUZAILIEFENGWAIDETONGBIAOMIANSHANGFASHENGCHENYINFANYING。YINWEILIZIZHUANHUANSHICHENYINFANYINGDEYUANDONGLI,SUOYILIEFENGXIATONGMIANSHOUGONGJICHENGDUYUCHENYINHOUDUZHIJIEXIANGGUAN。2Ag++1Cu=2Ag+1Cu2+(+SHISHIQUYIGEDIANZIDEJINSHULIZI)XIAMIANRENHEYIGEYUANYINDOUHUIXINGCHENGLIEFENG:CESHI/XIANYINGGUODUHUOZUHANMOYUTONGMIANJIEHEBUHAO;BUJUNYUNDEDIANDUTONGCENG(KONGKOUBOTONGCHU);ZUHANMOXIAJICAITONGSHANGYOUMINGXIANDESHENGUAHEN。

    FUSHISHIYOUYUKONGQIZHONGDELIUHUOYANGYUJINSHUBIAOMIANFANYINGERCHANSHENGDE。YINYULIUFANYINGHUIZAIBIAOMIANSHENGCHENGYICENGHUANGSEDELIUHUAYIN(Ag2S)MO,RUOLIUHANLIANGJIAOGAO,LIUHUAYINMOZUIZHONGHUIZHUANBIANCHENGHEISE。YINBEILIUWURANYOUJIGETUJING,KONGQI(RUQIANSUOSHU)HUOQITAWURANYUAN,RUPWBBAOZHUANGZHI。YINYUYANGDEFANYINGZESHILINGWAIYIZHONGGUOCHENG,TONGCHANGSHIYANGHEYINCENGXIADETONGFASHENGFANYING,SHENGCHENGSHENHESEDEYANGHUAYATONG。ZHEIZHONGQUEXIANTONGCHANGSHIYINWEICHENYINSUDUFEICHANGKUAI,XINGCHENGDIMIDUDECHENYINCENG,SHIDEYINCENGDIBUDETONGRONGYIYUKONGQIJIECHU,YINCITONGJIUHUIHEKONGQIZHONGDEYANGCHANSHENGFANYING。SHUSONGDEJINGTIJIEGOUDEJINGLIJIANKONGXIJIAODA,YINERXUYAOGENGHOUDECHENYINCENGCAINENGDADAOKANGYANGHUA。ZHEIYIWEIZHESHENGCHANZHONGYAOCHENJIGENGHOUDEYINCENGCONGERZENGJIALESHENGCHANCHENGBEN,YEZENGJIALEKEHANXINGCHUXIANWENTIDEJILV,RUWEIKONGDONGHEHANJIEBULIANG。

    LUTONGTONGCHANGYUCHENYINQIANDEHUAXUEGONGXUYOUGUAN。ZHEIZHONGQUEXIANZAICHENYINGONGYIHOUXIANXIAN,ZHUYAOSHIYINWEIQIANZHICHENGWEIWANQUANQUCHUDECANLIUMOZUAILEYINCENGDECHENJIERCHANSHENGDE。ZUICHANGJIANDESHIYOUZUHANGONGYIDAILAIDECANLIUMO,TASHIZAIXIANYINGYEZHONGXIANYINGWEIJINGSUOZHI,YEJIUSHISUOWEIDE“CANMO”,ZHEICENGCANMOZUAILECHENYINFANYING。JIXIECHULIGUOCHENGYESHICHANSHENGLUTONGDEYUANYINZHIYI,XIANLUBANDEBIAOMIANJIEGOUHUIYINGXIANGBANMIANYURONGYEJIECHUDEJUNYUNCHENGDU,RONGYEXUNHUANBUZUHUOGUODUOTONGYANGHUIXINGCHENGBUJUNYUNDECHENYINCENG。

    LIZIWURANXIANLUBANBIAOMIANCUNZAIDELIZIWUZHIHUIGANRAOXIANLUBANDEDIANXINGNENG。ZHEIXIELIZIZHUYAOLAIZICHENYINYEBENSHEN(CANCUNZAICHENYINCENGHUOZAIZUHANMOXIA)。BUTONGCHENYINRONGYELIZIHANLIANGBUTONG,LIZIHANLIANGYUEGAODERONGYE,ZAITONGYANGDESHUIXITIAOJIANXIA,LIZIWURANZHIYUEGAO。CHENYINCENGDEKONGXIDUYESHIYINGXIANGLIZIWURANDEZHONGYAOYINSUZHIYI,KONGXIDUGAODEYINCENGRONGYICANCUNRONGYEZHONGDELIZI,SHIDESHUIXIDENANDUZENGDA,ZUIZHONGHUIDAOZHILIZIWURANZHIDEXIANGYINGSHENGGAO。HOUSHUIXIXIAOGUOTONGYANGHUIZHIJIEYINGXIANGLIZIWURAN,SHUIXIBUCHONGFENHUOSHUIZHIBUHEGEDOUHUIYINQILIZIWURANCHAOBIAO。

    WEIKONGDONGTONGCHANGZHIJINGXIAOYU1mil,WEIYUHANLIAOHEHANJIEMIANZHIJIANDEJINSHUJIEMIANHUAHEWUZHISHANGDEKONGDONGBEICHENGWEIWEIKONGDONG,YINWEITASHIJISHANGSHIHANJIEMIANDE“PINGMIANKONGPAOQUN”,SUOYIJIDADEJIANXIAOLEHANJIEJIEHELI。OSP、ENIGYIJICHENYINBIAOMIANDOUHUICHUXIANWEIKONGDONG,QIXINGCHENGDEGENBENYUANYINSHANGWEIMINGQUE,DANYIQUERENLEJIGEYINGXIANGYINSU。JINGUANCHENYINCENGDESUOYOUWEIKONGDONGDOUFASHENGZAIHOUYIN(HOUDUCHAOGUO15μm)BIAOMIAN,DANBINGFEISUOYOUDEHOUYINCENGDOUHUIFASHENGWEIKONGDONG。DANGCHENYINCENGDIBUDETONGBIAOMIANJIEGOUFEICHANGCUCAOSHIGENGRONGYICHANSHENGWEIKONGDONG。WEIKONGDONGDEFASHENGSIHUYEYUGONGCHENJIZAIYINCENGZHONGDEYOUJIWUDEZHONGLEIJICHENGFENYOUGUAN。ZHENDUIYISHANGSUOSHUZHIXIANXIANG,YUANSHISHEBEICHANGSHANG(OEM)、SHEBEISHENGCHANFUWUSHANG(EMS)、PWBZHIZAOCHANGSHANGYIJIHUAXUEPINGONGYINGSHANGJINXINGLESHUGEMONITIAOJIANXIAHANJIEYANJIU,DANMEIYOUYIGENENGGOUCHEDIXIAOCHUWEIKONGDONG。

    三、预防措施

    YUFANGCUOSHIDEZHIDINGXUYAOKAOLIANGSHIJISHENGCHANZHONGHUAXUEPINHESHEBEIDUIGEZHONGQUEXIANDEGONGXIANDU,CAINENGBIMIANHUOXIAOCHUQUEXIANBINGTISHENGLIANGPINLV。JIAFANNIXIAOYINGDEYUFANGKEYIZHUISUDAOQIANZHICHENGDEDUTONGGONGXU,DUIGAOZONGHENGBIKONGHEWEITONGKONGERYAN,JUNYUNDEDIANDUCENGHOUDUYOUZHUYUXIAOCHUJIAFANNIXIAOYINGDEYINHUAN。BOMO,SHIKEYIJIBOXIGONGXUZHONGDEGUODUFUSHIHUOCESHIDOUHUICUSHILIEFENGDEXINGCHENG,LIEFENGZHONGHUICANLIUWEISHIRONGYEHUOQITARONGYE。JINGUANRUCI,ZUHANMODEWENTIRENGSHIFASHENGJIAFANNIXIAOYINGDEZUIZHUYAOYUANYIN,DADUOSHUFASHENGJIAFANNIXIAOYINGDEQUEXIANBANDOUYOUCESHIHUOZUHANMOTUOLUOXIANXIANG,ZHEIZHONGWENTIZHUYAOLAIZIYUPUGUANGXIANYINGGONGXU。YINCIRUGUOZUHANMOXIANYINGHOUDOUCHENG“ZHENGXIANGJIAO”TONGSHIZUHANMOYEBEIWANQUANGUHUA,NEIMEJIAFANNIXIAOYINGWENTIJIUJIHUKEYIBEIXIAOCHU。YAODEDAOHAODECHENYINCENG,ZAICHENYINDEWEIZHIBIXUSHI100%JINSHUTONG,MEIGECAORONGYEDOUYOULIANGHAODEGUANKONGNENGLI,ERQIETONGKONGNEIRONGYENENGGOUYOUXIAOJIAOHUAN。RUOSHIFEICHANGJINGXIDEJIEGOU,RUHDIBAN,ZAIQIANCHULIHECHENYINCAOYEZHONGANZHUANGCHAOSHENGBOHUOPENSHEQIFEICHANGYOUYONG。DUIYUCHENYINGONGYISHENGCHANGUANLIERYAN,KONGZHIWEISHISULVXINGCHENGGUANGHUA、BANGUANGLIANGDEBIAOMIANYEKEYIGAISHANJIAFANNIXIAOYING。DUIYUYUANSHISHEBEISHANG(OEM)ERYAN,YINGJINLIANGBIMIANDATONGMIANHUOGAOZONGHENGBIDETONGKONGYUXIXIANLUXIANGLIANJIEDESHEJI,XIAOCHUFASHENGJIAFANNIXIAOYINGDEYINHUAN。DUIHUAXUEPINGONGYINGSHANGERYAN,CHENYINYEBUNENGYOUHENQIANGDEGONGJIXING,YAOBAOCHISHIDANGpHZHI,CHENYINSUDUSHOUKONGBINGNENGSHENGCHENGYUQIDEJINGTIJIEGOU,NENGYIZUIBOYINHOUDADAOZUIJIADEKANGSHIXINGNENG。

    FUSHIKEYITONGGUOTIGAODUCENGMIDU,JIANGDIKONGXIDULAIJIANXIAO。SHIYONGWULIUCAILIAOBAOZHUANG,TONGSHIYIMIFENGLAIGEJUEBANYUKONGQIDEJIECHU,YEFANGZHILEKONGQIZHONGJIADAIDELIUJIECHUYINBIAOMIAN。ZUIHAOJIANGBAOZHUANGHAODEBANCUNFANGZAIWENDU30℃、XIANGDUISHIDU40%DEHUANJINGZHONG。SUIRANCHENYINBANDEBAOCUNQIHENZHANG,DANSHICUNCHUSHIRENGYAOZUNXUNXIANJINXIANCHUYUANZE。

    LUTONGKEYITONGGUOYOUHUACHENYINDEQIANGONGXULAIJIANGDIHUOXIAOCHU。WEILEDADAOZHEIGEMUDE,KEZAIWEISHIHOUTONGGUO“POSHUI”SHIYANHUO“LIANGDIAN”SHIYANLAIJIANCHATONGBIAOMIAN,QINGJIEDETONGBIAOMIANKEYIBAOCHISHUIMOZHISHAO40MIAO。DINGQIWEIHUBAOYANGSHEBEIYIQUEBAORONGYEXUNHUANJUNYUNWENDING,TONGGUODOEYOUHUASHIJIAN、WENDU、JIAOBANLAIHUODEZUIJIADECHENYINCAOZUOCANSHU,JINERQUEBAODEDAOLIXIANGDEHOUDUHEGAOPINZHIDEYINCENG。GENJUXUYAOSHIYONGCHAOSHENGBOHUOPENSHEQILAITIGAOCHENYINYEDUIWEITONGKONG、GAOZONGHENGBIKONGJIHOUBANDERUNSHINENGLI,TONGSHIYEWEISHENGCHANHDIBANTIGONGKEXINGDEJIEJUEFANGAN,ZHEIXIEFUZHUDEJIXIEFANGFAKEBEIYINGYONGZAIQIANCHULIHECHENYINYEZHONGLAIQUEBAOKONGBIWANQUANBEIRUNSHI。

    LIZIWURANKETONGGUOJIANGDICHENYINRONGYEDELIZINONGDULAIJIANGDI。JIYUZHEIGEYUANYIN,ZAIBUYINGXIANGRONGYEXINGNENGDETIAOJIANXIA,CHENYINYEDELIZIHANLIANGYINGJINKENENGBAOCHIZAIJIAODISHUIPING。TONGCHANGZUIHOUDEQINGXIDUANYAOYONGQULIZISHUIQINGXIZHISHAO1FENZHONG,TONGSHIHAIBIXUDINGQIJIANCELIZIHANLIANG(YINLIZIHEYANGLIZI)SHIFOUFUHEGONGYEBIAOZHUN。QUBIEZHUYAOWURANDELAIYUAN,ZHEIXIECESHIDEJIEGUOBIXUJILUBINGBAOLIU。

    WEIKONGDONGSHIZUINANYUFANGDEYIZHONGQUEXIAN,YINWEITACHANSHENGDEZHENZHENGYUANYINSHANGWEIMINGQUE。CHENGRUQIANMIANSUOSHU,WOMENYIJINGZHIDAOYOUXIEYINSUSIHUHUIYINFAWEIKONGDONGHUOBANSUIWEIKONGDONGERCHUXIAN,KEYITONGGUOXIAOCHUHUOJINLIANGJIANSHAOZHEIXIEYINSULAIDADAOKONGZHICHUXIANWEIKONGDONGWENTI。QIZHONGCHENYINHOUDUSHIYINFAWEIKONGDONGDEZUIXIANZHUYINSU,SUOYIKONGZHICHENYINCENGHOUDUSHISHOUYAOBUZHOU。QICIHAIYINGGAIDIAOZHENGWEISHISUDUHECHENYINSUDUYIHUODEGUANGHUAJUNYUNDEBIAOMIANJIEGOU。HAIYAOTONGGUOCESHICAOYEZAISHIYONGZHOUQINEIBUTONGSHIJIANDIANDECHENYINCENGDECHUNDU,LAIJIANKONGCHENYINCENGZHONGDEYOUJIWUHANLIANG,HELIDEYINHANLIANGYINGKONGZHIZAI90%(YUANZIBI)YISHANG。

    四、理想工艺-AlphaSTAR

    YIGE“LIXIANGGONGYI”CHULESHIXINGNENGYOUYIZHIWAI,HAIBIXUMANZU2006NIAN7YUE1RIGONGBUDEDIANZIGONGYEDUIYUANQUAN、HUANBAOYIJIKEKAOXINGDEYAOQIU。

    SUIRANZAOZAI1994NIANLESIHUAXUEJIUYONGYOUAlphaLEVELCHANPINXILIEDEZHUANLIQUAN,DANSHILESIHUAXUEYIJIUCHIXUBUDUANDEJINXINGZHEGONGYIDEGAISHANHEYANFA,XIANYICHENGGONGYANFACHUYINGYONGYUYINZHIXIANLUBANDEDISANDAICHENYINJISHU—AlphaSTAR。AlphaSTARGONGYITEBIEWEIMANZUDANGJINRIYIYANGEDEZUIZHONGBIAOMIANCHULIDEYAOQIUERSHEJI,TAJIEJUELEYISHANGTANTAODEJIGEDAOZHIXIANLUBANBAOFEI、CHENGBENZENGJIA、HUANBAOHEANQUANDENGWENTI,BINGQIEFUHEXIANZAIHEWEILAIKENENGYINGXIANGYINZHIXIANLUBANGONGYEDEXIANGGUANFAGUI。BENGONGYIGONGYOU7GEBUZHOU(QIZHONGSANGEWEISHUIXIBUZHOU),QIXINGNENGJIYOUDIANRUXIASUOSHU:

    QIANCHULIFENWEIYIXIASIGEBUZHOU:CHUYOU、SHUIXI、WEISHIJISHUIXI。CHUYOURONGYEDEBIAOMIANZHANGLIFEICHANGDI,NENGGOURUNSHISUOYOUDETONGBIAOMIAN,ZHEIYANGJIXIAOCHULELUTONGWENTI,YOUCUJINLEYINCENGZAIGAOZONGHENGBIKONGHEWEITONGKONGNEIDECHENJI。DUTEDEWEISHIPEIFANGKECHANSHENGWEICUHUA,BANGUANGLIANGDEBIAOMIANJIEGOU,ZHEIYANGDEBIAOMIANJIEGOUYOULIYUXINGCHENGJUYOUJINGXIERQIEZHIMIDEJINGTIJIEGOUDEYINCENG,YINCIJISHIZAIYINCENGHOUDUHENDISHIYEKEHUODEGAOMIDU、DIKONGXIDECHENYINCENG。ZHEIJIUDADATIGAOLEYINCENGDEKANGSHIXINGNENG。

    CHENYINFENWEIYIXIASANGEBUZHOU:YUJIN、CHENYINHEZUIHOUDEQULIZISHUIXI。SHELIYUJINDEMUDEYOUSANGE,YISHIYONGZUOXISHENGRONGYE,FANGZHICONGWEISHICAODAIJINTONGHEQITAWUZHIWURANCHENYINYE,ERSHIWEICHENYINZHIHUANFANYINGTIGONGQINGJIEDETONGMIAN,SHITONGMIANHUODEYUCHENYINYEZHONGXIANGTONGDEHUAXUEHUANJINGHEpHZHI。YOUYUYUJINDECHENGFENHECHENYINYEYIYANG(CHULEJINSHUYINWAI),CIGONGXUDEDISANGEGONGNENGJIUSHIDUICHENYINCAODEZIDONGBUCHONG。ZAICHENYINFANYINGZHONGWEIYIXIAOHAODESHIJINSHUYIN,CHENYINYEZHONGYOUJIZUFENHANLIANGDEBIANHUAJINJINSHIYOUCAOYEDAICHUSUOZAOCHENGDESUNSHI,ERYUJINHECHENYINRONGYEYOUTONGYANGDECHENGFEN,YUJINDAIJINDELIANGDENGYUCHENYINDAICHUDELIANG,YINCICHENYINYEBUHUIJIJUBUBIYAODEYOUJIWU。CHENYINFANYINGSHITONGGUOTONGHEYINLIZIZHIJIANDEZHIHUANFANYINGJINXINGDE。JINGGUOAlphaSTARWEISHIRONGYEWEICUHUACHULIDETONGBIAOMIAN,KEYIQUEBAOZAISHOUKONGDECHENYINSUDUXIANENGGOUHUANMANSHENGCHENGJUNYUNYIZHIDECHENYINCENG。MANDECHENYINSUDUYOULIYUCHENJICHUZHIMIDEJINGTIJIEGOU,BIMIANLEYOUYUCHENDIANHEJIEKUAIERCHANSHENGDEWEILIZENGZHANG,XINGCHENGGAOMIDUDEYINCENG。ZHEIZHONGJIEGOUJINMI,HOUDUSHIZHONG(6~12u”)DEYINCENGBUJINJUYOUGAODEKANGSHIXINGNENG,TONGSHIYEJUYOUFEICHANGLIANGHAODEDAODIANXINGNENG。CHENYINYEFEICHANGWENDING,YOUHENZHANGDESHIYONGZHOUQI,DUIGUANGHEWEILIANGLUHUAWUBUMINGAN。AlphaSTARDEQITAYOUDIANRU:DADASUODUANLETINGGONGQI,DILIZIWURANYIJISHEBEICHENGBENDI。

    五、结论

    AlphaSTARGONGYIJIZHONGLEJIZHONGZUIZHONGBIAOMIANCHULIDEZUIJIAXINGNENG,TAMANZUBINGCHAOYUELEQUANQIUYINZHIDIANLUBANGONGYEDUIKEHANXING,KEKAOXING,ANQUANXINGYIJIFUHEFAGUIDEYAOQIU。AlphaSTARGONGYIYOUKUANKUODECAOZUOCHUANGKOU;YIYUCAOZUO、KONGZHIJIWEIHU,KEJINXINGFANGONGCAOZUO,ZAITONGLEIZUIZHONGBIAOMIANCHULIZHONGSHENGCHANCHENGBENZUIDI。AlphaSTARGONGYIZHENDUIYISHANGTANTAODELIUGEYUCHENYINGONGYIXIANGGUANDEWENTI,XIAOCHUHUOJIANSHAOLEZHEIXIEWENTIDUIGAOPINZHICHANPINDEZHIJIEYINGXIANG。LINGWAICIGONGYIFUHERoHSHEWEEEDEGUIDING,CHENYINCENGWANQUANWUQIAN。


BENWENZHUANZAIZIpcbWANGCHENG


东莞市文丰电子材料有限公司主营业务为 pcb铣刀、pcb锣刀V-CUT刀pcb刀具厂家,我司一直致力于pcb刀具的研发和生产,对产品的质量抱着精益求精的精神,只希望为客户带来更好用的、更具有性价比的pcb铣刀。

HUANYINGGUANZHUWENFENGWEIXINGONGZHONGHAO,WOMENJIANGDINGQIJUXINGHUODONG!


此文关键词: pcb铣刀 pcb刀具 pcb行业技术文献

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