1. Thibela ho kena moea oa koporo e se nang letho

Koporo e bonolo ho oxidize moeeng, e hlahisang PCB solder pad ha e tsamaise kapa e fokotsa ho ts’oaroa, ka ho beha thini holim ‘a koporo, bokaholimo ba koporo bo ka aroloa ka nepo ho tsoa khase, ho boloka ho ts’oara le ho ts’oaroa ha PCB.

2, boloka solder

Mekhoa e meng ea kalafo ea bokaholimo e kenyelletsa: ho qhibiliha ho chesang, filimi ea tšireletso ea manyolo OSP, thini ea lik’hemik’hale, silevera ea lik’hemik’hale, khauta ea nikele ea lik’hemik’hale, khauta ea nickel ea motlakase le tse ling; Empa e le hore ho fafatsa thini poleiti e ka bolokang tjhelete molemo ka ho fetisisa spray thini PCB boto thulaganyou e litšobotsi tsa spray thini thini poleiti ho akarelletsa le koporo thini dikarolo tse peli tsa tšepe ka ikamahanya le maemo a futsanehileng tikoloho le tshebetso solder ke molemo ka mocheso phahameng le tikoloho e senyang e loketseng haholoanyane. Boto ena e pharaletseng sebelisoa ka lihlahisoa taolo liindasteri thepa le thepa ea sesole lihlahisoa thini-nyanyatsoa menyetla PCB: ka tloaelo PCB kalafo holim, thulaganyou e thini-nyanyatsoa e tsejoa e le solderability molemo ka ho fetisisa, hobane ho na le thini ka sebaka seo, ha soldering thini , ka poleiti ea khauta kapa rosin le ts’ebetso ea OSP, ho bonolo. Sena se bonolo haholo hore re se rekise ka letsoho, ho tjheseletsa ha ho bonolo haholo.