Cov lus nug ntawm qhov twg PCB sampling chaw tsim tshuaj paus yog qhov zoo yog cov lus nug uas cov kws tshaj lij kev muag khoom tau tshawb nrhiav. Es tsis txhob nug qhov twg PCB sampling chaw tsim tshuaj paus yog zoo, nws yog zoo dua los tham txog cov teeb meem zoo PCB sampling manufacturers yuav xyuam xim rau cov ntsiab lus:
① Xaiv cov npe nrov PCB substrates yog qhov tseem ceeb, vim tias qhov zoo ntawm cov substrate ncaj qha cuam tshuam rau lub neej ntawm PCB pawg thawj coj saib. Kev ua haujlwm tsis zoo txhais tau hais tias lub rooj tsav xwm hauv Circuit Court tsis tuaj yeem ua tau raws li qhov xav tau hauv kev sib dhos.
② Thaum kho cov kab hluav taws xob qhib lossis patching cov xov hlau, kev kho tsis raug tuaj yeem ua rau lub rooj tsav xwm qhib Circuit Court tau yooj yim.
③ Kev huv huv: Thaum lub sijhawm tsim khoom, impurities ntawm lub rooj tsavxwm tuaj yeem ua rau muaj kev pheej hmoo rau cov txheej txheem solder, thaum cov ion residues tuaj yeem ua rau corrosion thiab paug ntawm qhov chaw vuam, ua rau muaj teeb meem kev ntseeg siab (tsis zoo solder pob qij txha / hluav taws xob tsis ua haujlwm) thiab nce ntxiv. qhov tshwm sim ntawm qhov ua tsis tiav.
④ Thaum cuam tshuam nrog ntau yam txheej txheem kho saum npoo, muaj qhov ua tau zoo ntawm cov teeb meem ntawm cov khoom siv vim muaj kev hloov pauv ntawm cov hlau hauv qhov chaw tsim hluav taws xob. Thaum ya raws invades, nws tuaj yeem yooj yim ua rau muaj teeb meem xws li txheej txheej, txheej sab hauv thiab qhov sib cais ntawm phab ntsa (circuit breaker) thaum lub sij hawm sib dhos thiab / lossis siv tiag tiag.
⑤ Hais txog lub thickness ntawm lub qhov phab ntsa: Txhawm rau tsim cov khoom zoo PCB, nws yog ib qho tsim nyog los daws cov teeb meem kev sib txuas hluav taws xob (sab hauv txheej sib cais, lub qhov phab ntsa tawg) thaum lub qhov tshuab, degassing, thiab cov txheej txheem sib dhos.
⑥ Ntau yam kev kam rau ua: Thaum cov khoom siv hluav taws xob ua tsis tau raws li qhov yuav tsum tau ua, tej zaum yuav muaj qhov sib txawv tseem ceeb hauv cov zis / kev ua tau zoo ntawm cov khoom siv tib yam.
⑦ Cov cwj mem tsis zoo tuaj yeem yooj yim ua rau adhesion, tsis kam thiab hardness ntawm flux, detachment ntawm solder mask txheej los ntawm Circuit Court board, thiab ua rau corrosion ntawm tooj liab circuits.
⑧ Tej zaum yuav muaj cov tshuaj lom neeg seem los ntawm cov txheej txheem kub tso rau hauv qhov nrog cov qhov ntsaws tsis txaus, ua rau muaj teeb meem xws li weldability. Yog hais tias muaj cov hlaws dai rau hauv lub qhov, thaum lub sij hawm sib dhos los yog siv cov khoom tiav, cov tin hlaws yuav tawg, thaum kawg ua rau luv luv.
⑨ Cov nplaum nplaum tsis zoo / pheej yig dua tuaj yeem ua npuas, yaj, tawg, lossis khov zoo li pob zeb thaum lub sijhawm sib dhos, ua rau cov nplaum nplaum tsis tuaj yeem tev tawm / ua haujlwm.
⑩ Thaum lub sij hawm sib dhos, cov khoom sib dhos / haum (cov teeb meem nrog cov xovxwm haum yuav pom tsuas yog thaum lub rooj sib txoos ua tiav).
