1. Txheej
Printed Circuit Board (PCB) txheej yog muab faib ua tooj liab txheej thiab tsis yog tooj liab txheej, feem ntau hais tias ob peb txheej ntawm lub rooj tsavxwm yog los qhia cov txheej tooj ntawm tooj liab txheej.Feem ntau, vuam cov ntaub qhwv thiab cov kab yog muab tso rau ntawm cov tooj liab txheej kom tiav cov hluav taws xob sib txuas.Muab cov ntsiab lus piav qhia tus cwj pwm lossis tus cwj pwm tawm tswv yim ntawm cov txheej tsis yog tooj liab;Qee cov khaubncaws sab nraud povtseg (xws li cov txheej txheem txheej txheem) yog siv los tso cov ntaub ntawv qhia txog lub rooj tsavxwm tsim thiab kev sib dhos, xws li lub cev qhov ntev ntawm lub rooj tsavxwm, qhov ntsuas qhov ntev, cov ntaub ntawv cov ntaub ntawv, los ntawm cov ntaub ntawv lub qhov, cov lus qhia sib dhos, thiab lwm yam.
2.Via
Los ntawm lub qhov yog ib qho tseem ceeb ntawm multilayer PCB.Tus nqi ntawm qhov drilling qhov feem ntau yog 30% mus rau 40% ntawm tus nqi luam tawm Circuit Board (PCB).Hauv luv luv, txhua qhov ntawm PCB tuaj yeem raug hu ua qhov dhau-qhov.Los ntawm qhov pom ntawm kev ua haujlwm, qhov dhau-qhov tuaj yeem muab faib ua ob pawg: ib qho yog siv los ua hluav taws xob sib txuas ntawm txhua txheej;Qhov thib ob yog siv los kho lossis nrhiav cov khoom siv.Hais txog cov txheej txheem thev naus laus zis, lub qhov feem ntau muab faib ua peb pawg, uas yog, qhov muag tsis pom ntawm.faus viav vias thiab viav vias.
3. Pauv
Lub ncoo yog siv rau cov khoom siv vuam, paub txog kev sib txuas hluav taws xob, kho cov pins ntawm cov khoom siv los yog kos cov xov hlau, cov kab ntsuas, thiab lwm yam. thaj pad.Lub koob txhaj tshuaj ncoo yuav tsum tau drilled, thaum lub ntsej muag patch ncoo tsis tas yuav tsum tau drilled.Lub vuam phaj ntawm rab koob-ntxig hom khoom yog teem rau hauv ntau txheej, thiab vuam phaj ntawm nto SMT hom Cheebtsam yog teem rau tib txheej nrog cov khoom.
4.Txoj kev
Copper zaj duab xis hlau yog cov hlau khiav ntawm PCB tom qab tooj liab clad phaj tiav.Nws yog hu ua hlau rau luv luv.Nws feem ntau yog siv los paub txog kev sib txuas ntawm cov ntaub qhwv thiab yog ib feem tseem ceeb ntawm cov ntawv luam tawm Circuit Board (PCB).Cov cuab yeej tseem ceeb ntawm cov hlau yog nws qhov dav, nyob ntawm tus nqi nqa tam sim no thiab lub thickness ntawm cov ntawv ci tooj liab.
5. Cov khoom ntim khoom
Cov pob khoom txhais tau hais tias vuam cov khoom siv tiag tiag rau cov ntawv luam tawm Circuit Board (PCB) coj cov pins tawm.Tom qab ntawd lub ntim ruaj khov ua tag nrho.Cov hom encapsulation feem ntau yog plug-in encapsulation thiab nto mounted encapsulation.
Post lub sij hawm: Nov-16-2020