8 Launin impedance ENIG PCB 6351

Bayan an yi PCB a cikin ramin rabin, an saita Layer na tin a gefen ramin ta hanyar electroplating. Ana amfani da murfin kwanon azaman mayafi mai kariya don haɓaka juriya na hawaye kuma gaba ɗaya yana hana ɓarkewar jan ƙarfe daga bangon rami. Sabili da haka, ƙarancin ƙazanta a cikin tsarin samarwa na allon da'irar da aka buga yana raguwa, kuma ana rage yawan aikin tsaftacewa, don inganta ingancin PCB da aka gama.

Bayan an gama samar da PCB rabin rami na al'ada, za a sami kwakwalwan jan ƙarfe a ɓangarorin biyu na rabin ramin, kuma kwakwalwan jan ƙarfe za su shiga cikin ɓangaren ramin rabin ramin. Ana amfani da rabin rami azaman PCB na yara, rawar rabin rami tana cikin aiwatar da PCBA, zai ɗauki rabin ɗan PCB, ta hanyar ba da rabin ramin cika kwalba don yin rabin farantin mai walƙiya a kan babban jirgi , da rabin rami tare da gogewar jan ƙarfe, zai shafi faranti kai tsaye, yana shafar walda da tabbaci na takardar akan motherboard, kuma yana shafar bayyanar da amfani da aikin injin duka.

Ana ba da saman rabin ramin tare da murfin ƙarfe, kuma ana ba da tsinkayar rabin ramin da gefen jiki tare da rata, kuma saman rata shine jirgin sama ko saman rata shine hadewar jirgi da farfajiyar saman. Ta hanyar haɓaka rata a ƙarshen ƙarshen ramin rabin, an cire kwakwalwan jan ƙarfe a tsaka -tsakin rabin rami da gefen jiki don samar da PCB mai santsi, yadda yakamata guje wa kwakwalwan jan ƙarfe da ya rage a cikin ramin rabin, yana tabbatar da ingancin PCB, kazalika da amintaccen walda da ingancin bayyanar PCB yayin aiwatar da PCBA, da tabbatar da aikin injin gaba ɗaya bayan taro na gaba.