Tare da saurin ci gaba na PCB masana’antu, PCB a hankali yana haɓaka zuwa yanayin manyan madaidaitan layuka masu kyau da ƙananan buɗewa. Gabaɗaya, masana’antun PCB suna da matsalar zaɓin shirin fim ɗin lantarki. Shirye -shiryen fim na PCB zai haifar da gajeren gajere, yana shafar babban amfanin PCB ta hanyar binciken AOI.

Dalilin:

1, Layer mai rufewa ya yi kauri sosai, saboda murfin ya wuce kaurin fim yayin electroplating, SIFFOFIN shirin fim na PCB, musamman ƙaramin layin layin yana iya haifar da ɗan gajeren fim ɗin kewaya.

2. Rashin daidaiton zane na faranti. A yayin aiwatar da electroplating mai hoto, murfin layin da aka ware ya wuce kaurin fim saboda babban yuwuwar, wanda ke haifar da gajeriyar da’irar da ke haifar da fim.

Solutions:

1, ƙara kaurin kayan hanawa

Zaɓi madaidaicin madaidaicin fim ɗin bushewa, idan yana da rigar fim za a iya buga shi da farantin raga, ko ta buga fim ɗin rigar sau biyu don ƙara kaurin fim.

2. Rashin rarraba faranti na faranti, raguwar da ta dace da yawa (1.0-1.5A) electroplating

A cikin samarwa na yau da kullun, mun fita daga dalilan da za mu tabbatar da samarwa, don haka sarrafa lokacin zaɓin lantarki gaba ɗaya ya fi guntu, mafi kyau, don haka amfani da yawa na yanzu yana tsakanin 1.7 ~ 2.4 A yawanci, don haka samun yawa na yanzu a keɓe yanki zai kasance Sau 1.5 ~ 3.0 na yanki na yau da kullun, galibi yana haifar da keɓewa a wurin ƙaramin rufin tazara akan kaurin fim yana da yawa, Bayan an cire fim ɗin, fim ɗin ba shi da tsabta. A cikin mawuyacin hali, gefen layin zai dunkule fim ɗin rigakafin, wanda ke haifar da ɗan gajeren zagaye na shirin fim ɗin, kuma zai sa kaurin waldi akan layi ya zama siriri.