Tsev> ua yeeb yam
Nyob zoo, cov tub ntxhais hluas uas nyiam siv thev naus laus zis! Hnub no, peb yuav kawm txog cov thev naus laus zis nthuav hu ua photosensitive PCB. Koj puas tau xav tsis thoob tias koj cov khoom siv hluav taws xob nyiam, xws li xov tooj ntse thiab ntsiav tshuaj, tau tsim li cas? Lawv cov khoom siv siv photosensitive (photoresist) PCB. Cia peb pib thiab kawm ntxiv txog cov thev naus laus zis zoo kawg no!
Cov PCBs uas muaj duab ci ntsa iab yog ib hom ntawv luam tawm uas muaj ib txheej uas rhiab rau lub teeb. Cov thev naus laus zis no ua rau cov tuam txhab ua cov khoom siv hluav taws xob me me thiab yooj yim nrog kev ceev ceev. Lub Semixlab pcb uas muaj teeb pom kev zoo Cov txheej txheem tshwj xeeb no yog rhiab heev rau lub teeb, ua rau nws cov yam ntxwv hloov pauv thaum raug lub teeb. Cov txheej txheem no, hu ua photolithography, yog li cas peb tsim cov laug cam zoo rau ntau yam khoom siv hluav taws xob.
Nyob rau hauv cov hnub qub, cov txheej txheem ntawm kev tsim cov circuit boards yog ntev thiab nyuaj. Nws siv cov tshuab tshwj xeeb thiab qee qhov kev txawj ntse tob rau tus tsim qauv los kos cov qauv circuit ntawm cov PCBs qub. Txawm li cas los xij, niaj hnub no, qhov muaj cov photosensitive PCBs tau ua rau kev tsim circuit-board yooj yim heev. Thiab yog li cov neeg tsim software tuaj yeem tsim cov qauv nyuaj thiab lawv siv lub teeb los ua cov qauv ntawm cov photosensitive PCBs. Lub Semixlab no pcb uas muaj teeb pom kev zoo ua kom cov txheej txheem sai dua thiab ua rau nws raug dua.
Cov PCBs uas rhiab heev rau cov khoom siv hluav taws xob muaj ntau yam zoo. Ib qho yog tias lawv ua rau yooj yim tsim cov qauv circuit kom ntxaws. Qhov thib ob, lawv txuag lub sijhawm thiab pheej yig dua los tsim. Muaj qhov yuam kev tsawg dua - uas ua rau cov khoom zoo dua - vim tias cov qauv tsim tau hloov pauv los ntawm kev siv lub teeb. Tag nrho, Lub Semixlab pcb photoresist zaj duab xis kev rhiab heev ntawm lub teeb pab txhawb rau kev txhim kho kev ntseeg tau ntawm kev tsim khoom siv hluav taws xob thiab kev tsim khoom.
Tam sim no, uas koj tau qhia koj txog cov khoom zoo kawg nkaus uas ua rau muaj teeb meem duab Semixlab pcb photosensitive qhuav zaj duab xis tej zaum yuav ua tau, dab tsi ua rau koj tsis tuaj yeem ua koj tus kheej lub rooj tsavxwm? Nov yog ib daim ntawv qhia yooj yim los pab:
Tsis tas yuav hais, cov thev naus laus zis PCB uas muaj teeb pom kev zoo muab ntau txoj hauv kev rau koj los tsim thiab tsim cov khoom siv hluav taws xob. Lub Semixlab Cov khoom siv semiconductor tuaj yeem tsim cov circuit boards tshwj xeeb rau koj qhov project lom zem nyiam lossis txawm tias qhov chaw rau cov khoom lag luam. Cov neeg tsim qauv tuaj yeem muaj tswv yim thiab tom qab ntawd coj nws mus rau qib tshiab. Yog li, lub sijhawm tom ntej koj xa qee cov electrons ncig, xav txog cov photosensitive PCBs uas tau pab ua kom txhua yam ua tau!
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