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如何改善PCB镀铜均匀性

发布者:admin2019年04月22日

英超下注QINGHUADUTONGYEHANYOUDALIANGDEYOUDUQINGHUAWU,BUFUHEQINGJIESHENGCHANYAOQIU,DANMUQIANTAYIRANBEIGUANGFANDISHIYONGZHE,ZHEISHIYINWEITAJUYOUQITADUTONGFASUOWANQUANTIDAIBULEDEZHANGCHU,DANZUIZHONGHAISHIYAOTIDAITA。


QINGHUADUTONGZHICAIYONGJIBENCHENGFENHAIBUNENGDADAODUCENGWAIGUANHAOHESHENGCHANXIAOLVGAO。XIANZAI,YOUYUSHIYONGLETIANJIAJIHEZHOUQIHUANXIANGDIANLIU,QIXINGNENGDAWEIGAISHAN。


QINGHUADUYEZHONGDETONGYUSUANXINGDUYEZHONGDEBUTONG,TASHIYIJIATONGYUQINGGENXINGCHENGTONGQINGLUOLIZI,HAIYUANCHENGJINSHUTONGDEDIANWEIHENDI。YINCIZAIGANGTIEJIAN、HUANGTONGJIAN、XINYAZHUJIAN、HANXIJIANSHANGDOUKEYIZHIJIEDIANDU。DUTONGCENGJIEJINGXIZHI,ERQIEDUYEDEFENSANNENGLIHEFUGAINENGLIHAO。FUZALINGJIANDENEICEMIANHEAOKONGYIJICAILIAOQUEXIANDENEIBUDOUNENGDUSHANG,GUBEIGUANGFANYONGZUOZAIJITICAILIAOSHANGSHANDUDADI,QINGHUATONGSHANDUZHIHOU,JITIBIAOMIANFUGAISHANGYICENGJIEHELIHAODEDUTONGCENG,BUJINGAISHANLEHOUXUDIANDUCENGDEFUGAILI,ERQIETIGAOLENAISHIXING。


DUYEZHONGDEQINGHUAWUHAINENGCHUQULINGJIANSHANGDEYOUGOU,BINGYOUHUOHUALINGJIANBIAOMIANDEZUOYONG,NENGMIBUQIANCHULIDEBUZU。


JINJINIANLAIGUANGLIANGQINGHUADUTONGYOULEFAZHAN,SUIBURUGUANGLIANGSUANXINGDUTONG,DANYINENGDEDAOJIAOHAODEWAIGUANHEZHENGPINGXING,YEKEYISHENGQUDUHOUDEPAOGUANG,SUOYIYIYONGZUOZHUANGSHIXINGDUCENGDEDICENG。


英超下注QINGHUADUTONGDUYEANZUCHENG、DIANDUTIAOJIAN、YONGTU、DAZHIKEFENWEIDINONGDUDUYE-ZHUYAOYONGYUSHANDU;ZHONGNONGDUDUYEZUOWEIGUANGLIANGYE-ZHUYAOYONGYUDIDUCENG;GAONONGDUDUYE-ZHUYAOYONGYUDUQUHOUDUCENG。ZAIDUYEZHONGTIANJIAJIUSHISUANJIANASHIWEILETIGAOYANGJIDERONGJIEHEGAISHANDUCENGZHILIANG。


YOUYUQINGHUAWUDUIHUAXUECHENJICENGHETONGBOJIAONIANJIYOUJINSHIZUOYONG,SUOYIBUNENGYONGYUSULIAODIANDUHEYINZHIDIANLUBANDEDIANDU。


QINGHUADUTONGDUYEZHONGDEZHUYAOCHENGFENSHITONGQINGLUOLIZIHEYIDINGLIANGDEYOULIQINGHUAWUSUOZUCHENG。YOUYUQINGHUAWUDEFENJIE,DUYEZHONGZONGCUNZAIYIXIETANSUANYAN。YIDINGLIANGDETANSUANYANDUIDUCENGBUDANMEIYOUYINGXIANG,ERQIEYOUJIANGDIYANGJIJIHUAHETIGAODUYEDAODIANXINGDEXIAOGUO。SUOYIZAIXINPEIDUYESHI,YOUSHIHAIYAOSHIDANGTIANJIATANSUANYAN,DANSUIZHESHIYONGSHIJIANYANXU,DUYEZHONGDETANSUANYANHUIZENGZHANG。CHAOGUOYIDINGLIANGHOU,BIXUCHULI。


英超下注TONGDUCENGCHUXIANZHENKONGDEKENENGYUANYIN:


英超下注DUYEZHONGLVLIZITAIDI、KONGQIJIAOBANBUJUNYUN、DUYEZHONGYOUKELIZHUANGZAZHI、DUYEZHONGCUNZAIYOUJIWUWURAN,BANMIANYOUWURANQINGKUANG。


英超下注CHAZHAOTONGDUCENGZHENKONGDETUJING:


英超下注KONGQIJIAOBANBUJUNYUN:FENXITONGDUCENGZHENKONGYUANYINSHOUXIANJIANCHAKONGQIJIAOBANXITONGFANGMIANSHIFOUZHENGCHANG;RUJIAOBANBUJUNYUN,HUIYINGXIANGGUOLVXITONGDEGUOLVXIAOGUO。KEYONGGUANGBANSHIDU,JIAQIANGGUOLVHOU,SHIDUDEGUANGBANRUGUOTONGDUCENGWUZHENKONG,BIAOMINGSHIYOUYUKONGQIJIAOBANBUJUNYUNDEYUANYINSUOZHI,JIAQIANGKONGQIJIAOBANLAIJIEJUE;RUGUOTONGDUCENGRENGYOUZHENKONG,KECONGQITAFANGMIANJIANCHA。


英超下注DUYEZHONGLVLIZITAIDI:FENXITONGDUCENGZHENKONGYUANYINDEDIERFANGMIANCONGDUYELVLIZIFANGMIANJIANCHA,FENXIDUYEZHONGLVLIZIDENONGDU;LVLIZISHILINTONGYANGJIDEHUOHUAJI,KEBANGZHULINTONGYANGJIZHENGCHANGRONGJIE,DANGLVLIZIDENONGDUDIYU20HAOKE/SHENGSHI,HUICHANSHENGTIAOWENZHUANGCUCAODUCENG,CHUXIANZHENKONGHESHAOJIAOXIANXIANG。RUGUOLVLIZITAIDI,KETONGGUOTIANJIAYANSUANLAIJIEJUE,YONGGUANGBANSHIDU,RUGUOGUANGBANDETONGDUCENGRENGYOUZHENKONG,ZAICONGQITAFANGMIANJIANCHA。


DUYEZHONGYOUKELIZHUANGXUANFUWU:GUANCHAZHENKONGDEXINGZHUANG,RUGUOCHENGBUGUIZEZHUANG,BIAOMINGSHIYOUKELIZHUANGXUANFUWUSUOZHI;SHOUXIAN,JIAQIANGGUOLV,ZAIYONGGUANGBANSHIDU,RUGUOTONGDUCENGWUZHENKONG,BIAOMINGSHIDUYETAIZANGSUOZHI;RUGUOTONGDUCENGRENGYOUBUGUIZEZHENKONG,BIAOMINGSHIYOUSHANGGONGXUDAILAIDEKELIZHUANGWU。RUGUOJINGGUOGUANGBANDIANDUHOUMEIYOUFAXIANZHENKONG,ZAIYONGZUANGUOKONGDEBANJINXINGDIANDUKANSHIFOUYOUZHENKONGXIANXIANG。


DUYEZHONGYOUYOUJIWUWURAN:GUANCHAZHENKONGDEXINGZHUANG,RUGUOCHENGYUANKONGZHUANG,BIAOMINGSHIYOUYOUJIWURANWUSUOZHI;SHOUXIAN,CAIYONGTANCHULI,YONGGUANGBANSHIDU,RUGUOGUANGBANZHONGTONGDUCENGZHONGWUZHENKONG,BIAOMINGSHIDUYEZHONGYOUYOUJIWUWURAN,KENENGSHITONGGUANGLIANGJIJIQITASHIJISUOZHI;RUGUOGUANGBANZHONGTONGDUCENGZHONGRENGYOUZHENKONG,BIAOMINGSHIYOUSHANGGONGXUSUOZHI。KEYONGGUANGBANZHIYINXIANLUTUSHIDU,RUGUOTONGDUCENGWUZHENKONG,BIAOMINGSHIYOUYOUMO、XIANYINGJICANLIUWUSUOZHI;RUGUOTONGDUCENGWUZHENKONG,KEJIANCHAQITAGONGXU。


英超下注RUGUOXIANLUBANBIAOMIANCHULIBUQINGJIEYEHUICHANSHENGZHENKONGXIANXIANG,YONGXILIUSUANHEQUYOURONGYEJIANGXIANLUBANCHULIHOUJIANGXIANLUBANJINXINGDIANDU,RUMEIYOUFAXIANZHENKONG,KEJIANCHASHUABANJISHIFOUHUICHANSHENGWURANQINGKUANG,RURENGRANYOUKEJIANCHAQITAGONGXU。


ZHENDUIYISHANGYUANYIN,WOMENFENBUDUITUXINGDUTONGXIANJINXINGLEDIAOZHENG。


3.1 HUANGUAJU、DIAOZHENGJIABANFANGSHI,GAISHANBAIDONGXIAOGUO,SUOXIAOBIANYUANXIAOYINGFANWEI


英超下注(1 )WOMENYUANYONGSHUANGBIANGUAJUJIANGFEIBASHANGDEBANLIANCHENGYIKUAI“DABAN”,JINGGUOFENXIFAXIAN:


英超下注①FEIBASHANGDEBANYONG5 ZHIGUAJULIANCHENG“DABAN”,BIANYUANXIAOYINGMINGXIAN,FEIBALIANGDUANDEBANKONGTONGHOUDUBIFEIBAZHONGJIANDEBANKONGTONGHOUDUHOU40 µm;


②DIANDUCAOSHEN,GUAJUZHANG、GUAJUSHAO,YINJIBAIDONGSHI,XIAPAIBANBISHANGPAIBANBAIDONGFUDUXIAO,YAOSHUICHUANKONGLIUDONGCHA,XIAPAIBANKONGNEITONGLIZIBUCHONGJIAOKUNNAN, XIAPAIBANKONGTONGHOUDUBO。


(2)DIAOZHENG


英超下注①DINGZUODANBIANGUAJU,ZENGDAGUAJUHOUDU,ZENGDAGUAJUQIANGDU,ZENGJIAGUAJUSHULIANG(YONG2 ZHIDANBIANGUAJUJIA2 KUAIBAN,GUAJUYOU5 ZHIZENGJIADAO8 ZHI),GAISHANYINJIBAIDONGXIAOGUO;②GUAJULUOSIYOU6 GEGAIWEI9 GE,ZENGDADAODIANXING;


③JIANGSHUANGBIANGUAJUHUANCHENGDANBIANGUAJU,YONG2ZHIDANBIANGUAJUJIANG2 KUAIBANJIACHENG“XIAOBAN”,JIANXIAOBIANYUANXIAOYINGDEFANWEI。


(3)DIAOZHENGSHIDUXIAOGUO


①XIAPAIBANKONGTONGHOUDUYOUGAISHAN,YINJIBAIDONGJIANXIAOGUO;


②FEIBALIANGDUANDEBANYUFEIBAZHONGJIANDEBAN,KONGTONGHOUDUCHAGAISHANBUMINGXIAN。




3.2 DIAOZHENGDUYECHENGFENJIDIANDUGONGZUOTIAOJIAN


英超下注YUANDUYECHENGFENJIDIANDUGONGZUOTIAOJIAN,SUIRANFUHE“GAOSUAN、DITONG、DIDIANLIU、ZHANGSHIJIAN”DEYUANZE,DANHAIBUSHIZUIJIA。


3.2.1 DIAOZHENG


英超下注(1)JIANGDUYECHENGFENDIAOZHENGDAO:


CuSO 4 · 5H 2 O:65 g/L    H 2 SO 4 :120 mL/L  Cl - :70×10 -6


英超下注(2)XUANYONGFENSANXING、LAIWENXINGGENGHAODEGUANGJI125T TIDAIPCM (TANCHULI , HUANGANG)。


(3)JIANGDIANLIUMIDUJIANGDAO15ASF, DIANDUSHIJIANYANZHANGDAO90~120FENZHONG。


3.2.2 DIAOZHENGSHIDUXIAOGUO


(1)SHIDUFAXIAN,ZHENGGANGBANKONGTONGHOUDUYOUZENGJIA,YOUQISHIJIANGDIDIANLIUHOU,KONGTONGHOUDUZENGJIAMINGXIAN。


英超下注(2)FEIBALIANGDUANDEBANYUFEIBAZHONGJIANDEBANKONGTONGHOUDUCHA,GAISHANBUDA。




3.3 DIAOZHENGYANGJI,GAISHANDIANLIXIANFENBU


3.3.1 FENXI


英超下注YUANYONG12 ZHITAILAN,YANGJIPAILIEZHANGDUCHAOGUOFEIBASHANGBANPAILIEZHANGDU,JINGGUOFENXIFAXIAN:


(1)YANGJIMIANJIYUYINJIMIANJIZHIBILI>2~4 ∶1,DADAO8∶1,BILIGUODA。


(2)YANGJIGUODUO,DIANLIXIANYEGUODUO,FEIBALIANGDUANDIANLIXIANMIJI,KONGTONG、MIANTONGHOU,FEIBAZHONGBUDIANLIXIANXISHU,KONGTONG、MIANTONGBO。


3.3.2 DIAOZHENG


(1)XIANJIANG12 ZHITAILANJIANWEI8 ZHI,SUODUANYANGJIPAILIEZHANGDU,ZENGJIATAILANJIANJU,JINGGUOSHIDUFAXIANFEIBALIANGDUANDEBANYUFEIBAZHONGJIANDEBANKONGTONGHOUDUCHAGAISHANHENDA,DANHAIYOUCHAJU。


英超下注(2)YOUZAIYANGJIGANGLIANGDUANDETAILANZHONG,CHARUPVC GUAN,JIANSHAOTONGJIAO,ZAIDIAOZHENGTAILANJIANJU。


3.3.3 DIAOZHENGSHIDUXIAOGUO


英超下注(1)SHIDUFAXIAN,ZAIQITATIAOJIANBUBIANDEQINGKUANGXIA,YANGJIDIAOZHENGHOU,ZHENGGANGBANKONGTONGHOUDUMINGXIANZENGJIA,YOUQISHIJIANGDIDIANLIUHOU,KONGTONGHOUDUZENGJIAMINGXIAN,


(2 )FEIBALIANGDUANDEBANYUFEIBAZHONGJIANDEBANKONGTONGHOUDUJIEJIN,XIANGCHADAFUDUSUOXIAO。