Yog vim li cas nyob rau hauv kev puas tsuaj los yog nkag mus rau qhuav zaj duab xis ntawm pcb board thiab nws cov kev txhim kho

Kev xaim ntawm PCB pawg thawj coj saib yog qhov tseeb heev, thiab ntau lub tuam txhab PCB siv cov txheej txheem zaj duab xis qhuav los hloov cov qauv hauv Circuit Court. Hauv qab no, kuv yuav piav qhia meej txog cov laj thawj ntawm kev puas tsuaj lossis kev nkag mus ntawm cov yeeb yaj kiab qhuav ntawm pcb board thiab nws txoj kev txhim kho.

1. Muaj ib lub qhov nyob rau hauv cov zaj duab xis qhuav thaum lub qhov yog npog

(1) Txo cov zaj duab xis kub thiab siab;

(2) Txhim kho qhov roughness ntawm lub qhov phab ntsa thiab cov ntaub;

(3) Ua kom lub zog raug;

(4) Txo qhov siab ntawm kev loj hlob;

(5) Tsis txhob nres ntev ntev tom qab siv cov yeeb yaj kiab, kom tsis txhob ua rau cov yeeb yaj kiab semi-kua diffuse thiab nyias ntawm cov ces kaum;

(6) Thaum muab cov yeeb yaj kiab, cov yeeb yaj kiab qhuav uas peb siv yuav tsum tsis txhob rub nruj heev.

2. Infiltration plating tshwm sim thaum lub sij hawm qhuav zaj duab xis electroplating, qhia tias cov zaj duab xis qhuav thiab tooj liab ntawv ci tsis ruaj khov, kom cov tshuaj electroplating nkag mus. Qhov tshwm sim ntawm seepage plating yog tshwm sim los ntawm cov laj thawj phem hauv qab no:

(1) Qhov kub ntawm zaj duab xis yog siab dhau lossis qis dhau

Yog tias qhov kub thiab txias dhau lawm, cov yeeb yaj kiab tiv thaiv yuav tsis ua kom muag muag thiab ntws, ua rau tsis zoo adhesion ntawm cov zaj duab xis qhuav thiab saum npoo ntawm tooj liab-clad laminate; Yog hais tias qhov kub thiab txias siab dhau lawm, cov kuab tshuaj nyob rau hauv qhov kev tiv thaiv yuav volatilize sai heev los ua npuas, thiab cov zaj duab xis qhuav yuav nkig, thiab nws cov ntaub ntawv nqa tawm thiab tev tawm thaum lub sij hawm electroplating hluav taws xob poob siab, ua rau los ntshav plating.

(2) Cov yeeb yaj kiab siab yog siab dhau lossis qis dhau

Yog tias qhov siab qis dhau lawm, qhov saum npoo ntawm zaj duab xis yuav tsis sib npaug los yog yuav muaj qhov sib txawv ntawm cov zaj duab xis qhuav thiab cov phaj tooj liab, uas yuav tsis ua raws li qhov yuav tsum tau ua ntawm kev sib txuas; Yog hais tias lub siab siab dhau lawm, cov kuab tshuaj ntawm cov txheej txheem yuav evaporate ntau dhau, ua rau cov zaj duab xis qhuav los ua nkig, thiab nws yuav ua nkig tom qab electroplating. Yuav nqa tawm.

(3) Lub zog raug siab dhau los yog qis dhau

Thaum qhov raug tsis txaus, vim tsis tiav polymerization, zaj duab xis swells thiab softens thaum lub sij hawm txoj kev loj hlob, ua rau cov kab tsis meej los yog txawm cov zaj duab xis txheej ntog; Infiltration plating.