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Cov txheej txheem tshwj xeeb hauv kev tsim PCB, xws li qhov muag tsis pom qhov tooj liab npog

Lub ntiaj teb ntawm kev siv tshuab yog hloov zuj zus mus tas li thiab nrog rau nws qhov kev thov rau ntau tshaj thiab sophisticated printed circuit boards (PCBs). PCBs yog ib feem tseem ceeb ntawm cov khoom siv hluav taws xob thiab ua lub luag haujlwm tseem ceeb hauv kev ua kom lawv ua haujlwm.Txhawm rau ua kom tau raws li qhov xav tau loj hlob, cov tuam ntxhab yuav tsum tshawb nrhiav cov txheej txheem tshwj xeeb thiab thev naus laus zis, xws li qhov muag tsis pom ntawm cov npog tooj liab, txhawm rau txhim kho PCB kev ua tau zoo. Hauv tsab ntawv tshaj tawm blog no, peb yuav tshawb txog qhov muaj peev xwm ntawm kev siv cov txheej txheem tshwj xeeb hauv PCB kev tsim khoom.

PCBs feem ntau yog tsim los ntawm kev siv cov txheej tooj liab laminated rau cov khoom siv uas tsis yog-conductive substrate, uas feem ntau yog tsim los ntawm fiberglass-reinforced epoxy.Cov khaubncaws sab nraud povtseg yog etched los tsim cov kev sib txuas hluav taws xob uas yuav tsum tau muaj thiab cov khoom siv ntawm lub rooj tsavxwm. Thaum cov txheej txheem tsim khoom ib txwm siv tau zoo rau cov ntawv thov feem ntau, qee qhov haujlwm yuav xav tau cov yam ntxwv ntxiv thiab kev ua haujlwm uas tsis tuaj yeem ua tiav los ntawm cov txheej txheem ib txwm muaj.

Ib txoj kev tshwj xeeb yog muab qhov muag tsis pom ntawm tooj liab npog rau hauv PCB.Qhov muag tsis pom vias yog qhov tsis yog los ntawm qhov uas tsuas yog txuas mus rau qhov tob hauv lub rooj tsavxwm es tsis yog los ntawm lub rooj tsavxwm. Cov dig muag vias no tuaj yeem sau nrog tooj liab los tsim kev sib txuas ruaj ntseg lossis npog cov khoom tsis zoo. Cov txheej txheem no muaj txiaj ntsig tshwj xeeb yog tias qhov chaw txwv lossis thaj chaw sib txawv ntawm PCB xav tau ntau theem ntawm kev coj ua lossis kev tiv thaiv.

Ib qho txiaj ntsig tseem ceeb ntawm qhov muag tsis pom ntawm cov npog tooj liab yog txhim kho kev ntseeg tau.Cov khoom siv tooj liab muab kev txhawb nqa kev kho kom zoo rau lub qhov phab ntsa, txo qhov kev pheej hmoo ntawm burrs lossis drilled qhov puas thaum lub sijhawm tsim khoom. Tsis tas li ntawd, tooj liab muab tub lim muab ntxiv thermal conductivity, pab kom dissipate tshav kub los ntawm cov khoom, yog li ua rau nws tag nrho cov kev ua tau zoo thiab ntev.

Rau cov haujlwm uas xav tau qhov muag tsis pom ntawm tooj liab npog, cov cuab yeej tshwj xeeb thiab thev naus laus zis yuav tsum tau ua thaum lub sijhawm tsim khoom.Siv cov tshuab drilling siab heev, qhov qhov muag tsis pom ntawm ntau qhov ntau thiab tsawg tuaj yeem raug drilled. Cov tshuab no tau nruab nrog kev tswj xyuas qhov tseeb uas ua kom muaj txiaj ntsig zoo thiab txhim khu kev qha. Tsis tas li ntawd, cov txheej txheem yuav xav tau ntau cov kauj ruam drilling kom ua tiav qhov xav tau qhov tob thiab cov duab ntawm qhov qhov muag tsis pom.

Lwm cov txheej txheem tshwj xeeb hauv kev tsim PCB yog kev siv cov faus vias.faus vias yog qhov uas txuas ntau txheej ntawm PCB tab sis tsis txuas mus rau txheej txheej. Cov cuab yeej no tuaj yeem tsim cov txheej txheem ntau txheej uas tsis muaj qhov loj ntawm lub rooj tsavxwm. faus vias nce kev ua haujlwm thiab ceev ntawm PCBs, ua rau lawv muaj nuj nqis rau cov khoom siv hluav taws xob niaj hnub no. Txawm li cas los xij, kev siv faus vias yuav tsum tau ua tib zoo npaj thiab tsim cov ntaub ntawv meej, vim tias cov qhov yuav tsum tau ua kom raug raws nraim thiab drilled ntawm cov txheej txheem tshwj xeeb.

Kev sib xyaw ua ke ntawm cov txheej txheem tshwj xeeb hauv kev tsim PCB, xws li qhov muag tsis pom ntawm tooj liab npog thiab faus vias, undoubtedly tsub kom qhov nyuaj ntawm cov txheej txheem ntau lawm.Cov neeg tsim khoom yuav tsum tau nqis peev rau hauv cov cuab yeej siv siab heev, cob qhia cov neeg ua haujlwm hauv kev txawj ntse, thiab xyuas kom muaj kev tswj xyuas nruj zoo nyob rau hauv qhov chaw. Txawm li cas los xij, qhov zoo thiab muaj peev xwm ua kom muaj peev xwm ua tau los ntawm cov txheej txheem no ua rau lawv tseem ceeb rau qee yam kev siv, tshwj xeeb tshaj yog cov uas yuav tsum tau siv hluav taws xob siab thiab miniaturization.

Hauv cov ntsiab lus, Cov txheej txheem tshwj xeeb rau PCB tsim, xws li qhov muag tsis pom ntawm lub kaus mom tooj liab thiab faus vias, tsis yog tsuas yog ua tau tab sis tsim nyog rau qee qhov haujlwm.Cov txheej txheem no txhim kho PCB kev ua haujlwm, kev ntseeg siab, thiab qhov ntom ntom, ua rau lawv haum rau cov khoom siv hluav taws xob siab heev. Thaum lawv xav tau kev nqis peev ntxiv thiab cov cuab yeej tshwj xeeb, lawv muab cov txiaj ntsig zoo tshaj qhov kev cov nyom. Raws li kev siv thev naus laus zis txuas ntxiv mus, cov tuam ntxhab yuav tsum ua raws li cov txheej txheem tshwj xeeb no kom tau raws li cov kev xav tau ntawm kev lag luam hloov pauv.


Post lub sij hawm: Oct-31-2023
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