Tam sim no, hauv kev tsim cov khoom lag luam hauv tshuab hluav taws xob, PCB cov laug cam yog qhov tseem ceeb uas yog qhov tseem ceeb ntawm cov khoom siv hluav taws xob. Tam sim no, muaj ntau hom PCB cov laug cam, xws li lub siab loj PCB cov laug cam, microwave PCB cov laug cam thiab lwm hom luam tawm Circuit Board tau txais qee lub koob npe nrov hauv kev ua lag luam.
1. Xav txog kev xaiv ntawm substrate
Cov PCB substrates tuaj yeem faib ua ob pawg: cov khoom siv organic thiab cov ntaub ntawv inorganic. Txhua cov khoom siv tau nws tus kheej tshwj xeeb zoo. Yog li no, kev txiav txim siab ntawm hom khoom hauv qab txiav txim siab ntau yam khoom muaj cov yam ntxwv xws li cov yam ntxwv dielectric, cov ntawv ci tooj liab, lub hauv paus zawj thickness, thiab cov txheej txheem kev ua tau zoo. Ntawm lawv, lub thickness ntawm saum npoo ntawv ci yog qhov tseem ceeb cuam tshuam rau kev ua tau zoo ntawm no luam tawm Circuit board. Feem ntau hais lus, thinner ntawm cov tuab, qhov yooj yim dua qhov etching thiab txhim kho qhov tseeb ntawm cov duab.
2. Xav txog kev teeb tsa ntawm thaj chaw tsim khoom
Qhov chaw ib puag ncig ntawm PCB pawg thawj coj saib ua thiab khoom ntau lawm kuj tseem yog ib qho tseem ceeb heev. Txoj cai kev tswj hwm qhov ntsuas kub thiab ambient cov av noo yog ob qho tseem ceeb tshaj plaws. Yog hais tias lub ntsuas cua hloov pauv ntau heev, nws yuav ua rau lub qhov ntawm lub hauv paus phaj kom tawg. Yog hais tias cov av noo ib puag ncig yog siab dhau lawm, lub zog nuclear yuav muaj kev cuam tshuam tsis zoo rau kev ua haujlwm ntawm lub hauv qab nrog muaj zog nqus dej, tshwj xeeb yog hais txog cov khoom dielectric. Yog li, nws yog qhov yuav tsum tau ua kom muaj kev tiv thaiv ib puag ncig zoo thaum lub sijhawm ua PCB thiab ntau lawm.
3. Xav txog qhov kev xaiv ntawm cov txheej txheem txaus
Kev tsim cov PCB yog yooj yim cuam tshuam los ntawm ntau yam. Tus naj npawb ntawm cov txheej, xuas nrig ntaus txheej txheem, txheej kho saum npoo thiab lwm cov txheej txheem yuav txhua qhov cuam tshuam rau qhov zoo ntawm tiav pawg PCB pawg thawj coj saib. Yog li no, rau cov chaw ib puag ncig no, PCB pawg thawj coj saib xyuas kev tsim khoom thiab cov khoom lag luam tau raug txiav txim siab ua ke nrog cov yam ntxwv ntawm cov khoom siv ntau lawm, thiab tuaj yeem hloov kho raws li hom PCB pawg thawj coj ua thiab cov tseev kom ua.
Cov ntsiab lus los ntawm cov lus piav qhia saum toj no, kev xaiv ntawm substrate, teeb tsa ntawm thaj chaw ntau lawm, thiab xaiv cov txheej txheem ntws los yuav tsum tau txiav txim siab thaum PCB ua. Nyob rau tib lub sijhawm, cov txheej txheem ua thiab txheej txheem ntawm PCB engineering cov ntaub ntawv kuj yog ib qho kev xav uas yuav tsum tau ua tib zoo xaiv, uas yog ze rau kev sib luag ntawm cov ntawv luam tawm Circuit board.