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Why do PCB boards need impedance
2020/5/14
1、WhydoPCBboardsneedimpedancePCBcircuitboardimpedancereferstotheparametersofresistanceandreactance,whichhinderalternatingcurrent.InPCBproduction,impedancetreatmentisessential.There....
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Detailed explanation of three kinds of common PCB drilling
2020/5/14
Let'sfirstintroducethecommondrillinginPCB:throughhole,blindholeandburiedhole.Themeaningandcharacteristicsofthesethreekindsofholes.Via,acommontypeofhole,isusedtoconductorconnect....
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軟硬結(jié)合板去鉆污及凹蝕技術(shù) 1
2020/5/14
去鉆污及凹蝕是軟硬結(jié)合板數(shù)控鉆孔后,化學(xué)鍍銅或者直接電鍍銅前的一個重要工序,要想剛撓印制電路板實現(xiàn)可靠電氣互連,就必須結(jié)合剛撓印制電路板其特殊的材料構(gòu)成,針對其主體材料聚酰亞胺和丙烯酸不耐強(qiáng)堿性的特性,選用合適的去鉆污及凹蝕技術(shù)。剛撓印制電路板去鉆污及凹蝕技術(shù)分濕法技術(shù)和干法技術(shù)兩種,下面就這兩種技術(shù)與各位同行進(jìn)行共同探討。剛撓印制電路板濕法去鉆污及凹蝕技術(shù)....
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