① Xav txog qhov zoo ntawm PCB.Yog tias qhov zoo tsis zoo, nws tseem yuav cuam tshuam rau cov txiaj ntsig soldering.Yog li ntawd, kev xaiv ntawm PCB ua ntej reflow soldering yog ib qho tseem ceeb heev.Yam tsawg kawg qhov zoo yuav tsum zoo;
②Cov txheej txheej vuam tsis huv.Yog tias nws tsis huv, qhov vuam yuav ua tsis tiav, qhov vuam yuav poob, lossis qhov vuam yuav tsis sib npaug, yog li xyuas kom cov vuam txheej huv si ua ntej vuam;
③ Cov khoom siv lossis cov ntaub qhwv tsis tiav.Thaum ib qho ntawm lawv ua tsis tiav, reflow soldering ua haujlwm tsis tuaj yeem ua tiav.Vim tias yog ib qho ntawm lawv ploj lawm, ces qhov vuam yuav tsis ua haujlwm, lossis qhov vuam yuav tsis muaj zog;
④ Lwm qhov yuav tsum nco ntsoov yog lub thickness ntawm txheej.Kuv ntseeg tias cov kws tshaj lij tshaj lij yuav nkag siab tias thaum lub thickness ntawm cov txheej tsis txaus, nws yuav ua rau cov vuam tsis zoo, uas yuav cuam tshuam rau cov reflow soldering;
⑤ Muaj cov impurities ntawm qhov vuam.Qhov no yog qhov teeb meem ntawm cov khoom siv, cov khoom tsis huv.Nws feem ntau paub tias thaum cov khoom tsis huv, vuam yuav ua tsis tau lossis tsis muaj zog, thiab nws tseem yuav yooj yim tawg tom qab.
Post lub sij hawm: Nov-13-2023