Ntsia thawv-qhov loj me ntsia thawv tshwm tom qab SMA soldering. Qhov laj thawj tseem ceeb yog tias cov dej ua kom muaj dej muaj nyob rau hauv PCB substrate, tshwj xeeb tshaj yog rau kev ua cov multilayer boards, uas tau tsim ua ntej thiab kub-nias los ntawm multilayer epoxy resin prepregs. Yog tias lub sijhawm cia ntawm epoxy resin prepreg yog luv heev, cov ntsiab lus tsis txaus, thiab qhov ua ntej ziab kom tshem tawm cov pa dej tsis huv, nws yooj yim los nkag dej vapor tom qab thermoforming, lossis zaj duab xis ib nrab. nws tus kheej muaj cov kua nplaum tsis txaus, thiab txheej txheej thiab txheej Kev khi los khi ntawm ob yog tsis txaus, tawm hauv sab hauv ua rau tawg.
Tsis tas li ntawd, tom qab PCB tau txais yuav, vim lub sijhawm ntev cia thiab chaw noo chaw thau khoom, lub ntim khoom noj ua ntej tsis tau tiav ua ntej thaj ua rau thaj, yog li cov nplawm PCB tau nquag pov tawm los tom qab thaj.
Kev daws: Tom qab PCB tau txais yuav, nws yuav tsum kuaj xyuas thiab lees txais ua ntej muab tso rau hauv chaw rau khoom; Cov PCB yuav tsum tau npaj ua ntej (125 ± 5) ℃ / 4h ua ntej sawv