Hauv kev lag luam hluav taws xob, ntau txheej PCB (Printed Circuit Board) ua lub luag haujlwm tseem ceeb. Nws tsim thiab tsim khoom muaj kev cuam tshuam loj heev rau kev ua haujlwm thiab kev ntseeg siab ntawm cov khoom siv hluav taws xob niaj hnub no. Kab lus no yuav piav qhia txog nws cov yam ntxwv tseem ceeb, kev xav txog kev tsim qauv, thiab cov ntawv thov hauv cheeb tsam txhawm rau muab cov kev xav dav dav. Los ntawm kev txheeb xyuas nws, peb tuaj yeem nkag siab zoo dua nws qhov tseem ceeb hauv kev siv tshuab hluav taws xob.
1, tus tsim ntawm ntau txheej PCB pawg thawj coj saib tsis yog ib qho yooj yim stacking ntawm ntau ib txheej boards, tab sis ib tug complex engineering kev qhuab qhia. Nyob rau theem tsim, thawj qhov uas yuav tsum tau xav txog yog qhov nyuaj thiab ceev ntawm lub voj voog. Nrog rau kev ua haujlwm tas mus li hauv cov khoom siv hluav taws xob niaj hnub no, qhov nyuaj ntawm circuits kuj nce ntxiv, yog li nws cov qauv tsim yuav tsum muaj peev xwm ua tau raws li qhov yuav tsum tau muaj ntawm qhov siab ceev thiab ntau lub luag haujlwm. Nyob rau tib lub sijhawm, qhov kev ua tau zoo ntawm cov khoom siv hluav taws xob kuj tseem nce ntxiv, thiab lawv cov qauv tsim yuav tsum tau ua kom muaj kev ruaj ntseg thiab kev ntseeg tau ntawm cov teeb liab kis tau tus mob.
2, kev tsim cov txheej txheem ntawm ntau txheej PCB board kuj yog ib feem tseem ceeb. Nyob rau theem tsim khoom, cov txheej txheem siab heev thiab thev naus laus zis yog qhov tseem ceeb heev. Los ntawm kev siv thev naus laus zis lamination, qhov zoo ntawm kev sib txuas ntawm interlayer tuaj yeem txhim kho kom ntseeg tau tias kev ruaj ntseg ntawm cov teeb liab kis tau tus mob. Tsis tas li ntawd, kev xaiv cov khoom tsim nyog kuj yog ib qho tseem ceeb uas tsis tuaj yeem raug ignored nyob rau hauv kev tsim cov txheej txheem, txawv daim ntawv thov teb muaj ntau yam kev xav tau rau cov ntaub ntawv, yog li nws yog tsim nyog los xaiv cov khoom tsim nyog raws li ib tug tshwj xeeb daim ntawv thov scenario nyob rau hauv manufacturing.
3, multi-layer PCB board muaj ntau yam kev siv hauv kev siv hluav taws xob. Ua ntej tshaj plaws, nws ua lub luag haujlwm tseem ceeb hauv cov khoom siv hluav taws xob high-end, xws li cov khoom siv sib txuas lus, khoos phis tawj thiab lwm yam. Nws qhov siab ceev thiab ruaj khov tso cai rau cov cuab yeej no kom ua tau raws li qhov xav tau ntawm cov neeg siv. Secondly, nyob rau hauv lub tshav pob ntawm automotive electronics, nws kuj yog lug siv nyob rau hauv lub tsheb electronic systems, xws li navigation, kev lom zem thiab hais txog. Vim muaj kev ntseeg siab thiab ua haujlwm ntev ntawm cov khoom siv hluav taws xob hauv tsheb, ntau txheej PCB boards tau dhau los ua ib feem tseem ceeb. Tsis tas li ntawd, nws kuj tau qhia nws qhov tshwj xeeb zoo hauv cov khoom siv kho mob, kev tswj hwm kev lag luam thiab lwm yam.
Ua ntej, cia peb tsom mus rau kev tsim cov txheej txheem PCB ob txheej txheej. Kev tsim PCB niaj hnub no feem ntau siv cov txheej txheem etching siab heev los tsim cov qauv hauv Circuit Court los ntawm kev npog cov qauv ntawm cov tooj liab overlay thiab tom qab ntawd siv cov tshuaj tov los corrode qhov tsis xav tau. Cov txheej txheem no yuav tsum tsis yog tsuas yog cov khoom siv high-precision, tab sis kuj tseem tswj cov txheej txheem nruj kom ntseeg tau qhov zoo thiab ruaj khov ntawm lub rooj tsavxwm. Hauv kev txhim kho txuas ntxiv ntawm PCB kev tsim khoom, cov txheej txheem tshiab thiab cov khoom siv txuas ntxiv tshwm sim, muab kev txhawb zog rau nws cov kev ua tau zoo.
Nyob rau hauv daim ntawv thov, PCB ob-txheej board tau dav siv nyob rau hauv txhua yam khoom siv hluav taws xob. Los ntawm cov neeg siv khoom siv hluav taws xob mus rau kev tswj hwm kev lag luam, los ntawm cov cuab yeej kho mob mus rau kev sib txuas lus, nws ua lub luag haujlwm tseem ceeb. Nws cov khoom siv hluav taws xob ruaj khov thiab kev ntseeg tau zoo ua rau nws yog ib qho tseem ceeb ntawm cov khoom siv hluav taws xob niaj hnub no. Nyob rau tib lub sijhawm, nws qhov kev tsim qauv yooj yim kuj muab ntau txoj hauv kev rau ntau yam kev siv, kom tau raws li cov kev xav tau tshwj xeeb ntawm cov chaw sib txawv rau lub rooj tsavxwm.
Txawm li cas los xij, nrog rau kev tsim kho tshiab tas mus li thiab kev sib txawv ntawm cov khoom siv hluav taws xob, cov kev xav tau rau PCB ob txheej txheej boards kuj nce. Nyob rau hauv lub neej yav tom ntej, peb tuaj yeem tos ntsoov rau qhov muaj peev xwm ntau dua thiab siab dua PCB ob-txheej boards kom tau raws li cov kev xav tau ntawm cov khoom siv hluav taws xob tshiab. Kev ua haujlwm tsis tu ncua ntawm cov khoom siv thev naus laus zis thiab cov txheej txheem tsim khoom yuav txhawb nqa nws txoj kev loj hlob hauv kev coj ua ntawm thinner thiab ntau dua kev ua tau zoo, qhib qhov chaw tshiab rau innovation hauv cov khoom siv hluav taws xob.
1. Cia peb muaj kev nkag siab tob txog cov qauv tshwj xeeb ntawm 4-txheej PCB board.
Lub rooj tsavxwm feem ntau muaj ob txheej ntawm tus neeg xyuas pib sab hauv thiab ob txheej txheej txheej txheej txheej. Cov txheej txheem sab hauv yog lub luag haujlwm rau kev sib txuas ntau yam khoom siv hluav taws xob los tsim cov khoom siv hluav taws xob, thaum txheej txheej txheej substrate ua raws li kev txhawb nqa thiab rwb thaiv tsev. Qhov kev tsim no tso cai rau cov engineers hauv hluav taws xob los npaj cov khoom siv hluav taws xob kom yooj yim dua, txhim kho kev sib koom ua ke thiab kev ua haujlwm ntawm lub voj voog.
2, qhov zoo ntawm cov txheej txheem ntawm 4-txheej PCB board yog nws cov teeb liab kev sib cais zoo.
Cov txheej txheem sab hauv yog sib cais los ntawm cov khoom siv hluav taws xob rwb thaiv tsev, zoo cais cov theem sib txawv ntawm cov teeb liab. Qhov kev sib cais ntawm cov teeb liab no yog qhov tseem ceeb rau cov khoom siv hluav taws xob nyuaj, tshwj xeeb tshaj yog nyob rau hauv kev siv ntau zaus thiab kev siv ceev heev.Los ntawm kev tsim tsim nyog thiab kev teeb tsa ntawm cov txheej txheem sab hauv, 4-txheej PCB pawg thawj coj tuaj yeem txo cov teeb liab cuam tshuam, txhim kho Circuit Court stability, thiab ua kom muaj kev ntseeg tau ntawm cov khoom siv.
3, 4 txheej PCB board qauv tsim kuj ua rau cov cua sov dissipation.
Cov khoom siv hluav taws xob tsim hluav taws xob ntau thaum lub sijhawm ua haujlwm, thiab kev siv hluav taws xob kom zoo yog qhov tseem ceeb los tswj cov khoom siv li qub. Lub 4-txheej PCB pawg thawj coj kuj ua rau kom cov thermal conductivity channel los ntawm kev ua kom cov txheej txheem sab hauv, uas yuav pab kom hloov tau thiab dissipate cua sov. Qhov no tso cai rau cov khoom siv hluav taws xob kom tswj tau qhov kub thiab txias thaum lub sijhawm ua haujlwm siab, ua kom lub neej ua haujlwm ntawm cov khoom siv.
4, 4-txheej PCB pawg thawj coj kuj ua tau zoo ntawm kev xaim.
Cov txheej txheem sab hauv tso cai rau kom muaj kev sib txuas ntau dua thiab sib txuas tsim, txo qhov chaw hneev taw ntawm lub voj voog. Qhov no yog qhov tseem ceeb rau lub teeb yuag thiab cov khoom siv hluav taws xob miniaturized tsim. Nyob rau tib lub sijhawm, txoj kev tsim cov kab hluav taws xob nyuaj kuj tseem muaj peev xwm rau kev sib koom ua ke ntawm cov khoom siv sib txawv, kom cov khoom siv hluav taws xob muaj peev xwm tswj tau qhov kev ua haujlwm zoo thaum me me.
4-txheej PCB pawg thawj coj ua lub luag haujlwm tseem ceeb hauv kev tsim hluav taws xob niaj hnub no, thiab nws cov qauv tsim tshwj xeeb muab kev ua haujlwm yooj yim, kev ua haujlwm ruaj khov thiab kub dissipation rau cov khoom siv hluav taws xob, ua rau nws zoo tagnrho rau ntau yam kev siv. Nrog rau kev txhim kho txuas ntxiv ntawm kev tshawb fawb thiab thev naus laus zis, peb tuaj yeem cia siab tias 4-txheej PCB boards los qhia ntau yam kev siv hauv ntau thaj chaw, nqa ntau qhov kev tsim kho tshiab thiab kev ua tiav rau hluav taws xob engineering. ib
Ua ke, ntau txheej PCB pawg thawj coj ua ib feem tseem ceeb hauv kev siv tshuab hluav taws xob niaj hnub, nws tsim thiab tsim khoom yog qhov tseem ceeb. Nyob rau hauv lub Circuit Court tsim theem, lub complexity thiab ceev ntawm lub Circuit Court yuav tsum tau txiav txim siab. Hauv cov txheej txheem tsim khoom, nws yog ib qho tsim nyog yuav tsum siv cov txheej txheem siab thiab thev naus laus zis thiab xaiv cov khoom siv zoo. Nws muaj ntau yam kev siv npog ntau yam xws li kev sib txuas lus, khoos phis tawj, thiab tsheb, muab lub hauv paus ruaj khov rau kev ua haujlwm thiab kev ntseeg siab ntawm ntau yam khoom siv hluav taws xob. Nyob rau hauv lub neej yav tom ntej, nrog kev txhim kho txuas ntxiv ntawm kev siv tshuab hluav taws xob, nws cov qauv tsim thiab kev tsim khoom tseem yuav ntsib cov kev cov nyom tshiab, tab sis nws tseem yuav muab qhov chaw dav dav rau kev tsim cov khoom siv hluav taws xob. ib