Ulwaleko impedance ENIG PCB 6351

Emva kokuba PCB lwenziwe emngxunyeni isiqingatha, umaleko tin ibekwe kwi ngohlangothi umngxuma ngu electroplating. Uluhlu lwetini lusetyenziswa njengomaleko wokukhusela ukomeleza iinyembezi kunye nokuthintela ngokupheleleyo umaleko wobhedu owayo eludongeni lomngxunya. Ke ngoko, ukuveliswa kokungcola kwinkqubo yemveliso yebhodi yesekethe eprintiweyo iyancitshiswa, kunye nomsebenzi wokucoca nawo uncitshisiwe, ukwenzela ukuphucula umgangatho wePCB egqityiweyo.

Emva kokugqitywa kwemveliso yesiqingatha se-PCB yesiqingatha, kuya kubakho iitshipsi zobhedu kumacala omabini esiqingatha somngxunya, kwaye iichips zobhedu ziya kubandakanyeka kwicala elingaphakathi lesiqingatha somngxuma. Umngxuma wesiqingatha usetyenziswa njenge-PCB yomntwana, indima yesiqingatha somngxuma ikwinkqubo ye-PCBA, iya kuthatha isiqingatha somntwana we-PCB, ngokunika isiqingatha somngxunya wokugcwalisa itoti ukwenza isiqingatha seplate yenkcenkce edityaniswe kwibhodi ephambili , kunye nesiqingatha somngxunya ngesikrweqe sobhedu, siyakuchaphazela ngokuthe ngqo i-tin, echaphazela i-welding ngokuqinileyo kwiphepha lebhodi yomama, kwaye ichaphazele ukubonakala kunye nokusetyenziswa komatshini wonke.

Umphezulu wesiqingatha somngxunya ubonelelwe ngocingo lwentsimbi, kwaye indawo enqamlezileyo yesiqingatha somngxuma kunye nomphetho womzimba ngokulandelelana unikezelwa ngesithuba, kwaye umphezulu wesithuba yiplanethi okanye umphezulu wesithuba usisi indibaniselwano yenqwelomoya kunye nomphezulu womphezulu. Ngokwandisa umsantsa kuzo zombini iziphelo zesiqingatha somngxuma, iichips zobhedu ekudibaneni kwesiqingatha somngxuma kunye nomphetho womzimba ziyasuswa ukwenza i-PCB egudileyo, ukuthintela ngokufanelekileyo iichips zobhedu ezisele kwisiqingatha somngxunya, ukuqinisekisa umgangatho PCB, kwakunye iwelding oluthembekileyo kunye nenkangeleko esemgangathweni ye-PCB kwinkqubo PCBA, kunye nokuqinisekisa ukusebenza komatshini yonke emva kwendibano elandelayo.