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Vim li cas nws nyuaj rau tin hauv PCB pads?
Thawj yog vim li cas: Peb yuav tsum xav txog seb nws puas yog tus neeg siv khoom tsim teeb meem.Nws yog ib qho tsim nyog yuav tsum tau xyuas seb puas muaj kev sib txuas ntawm cov ntaub qhwv thiab daim ntawv tooj liab, uas yuav ua rau muaj cua sov tsis txaus ntawm lub ncoo.Qhov thib ob yog vim li cas: Seb nws yog qhov teeb meem ntawm kev ua haujlwm ntawm cov neeg siv khoom.Yog...Nyeem ntxiv -
Dab tsi yog cov txheej txheem tshwj xeeb electroplating hauv PCB electroplating?
1. Finger Plating Hauv PCB pov thawj, cov hlau tsis tshua muaj plated rau ntawm lub rooj tsavxwm ntug connector, board edge protruding contact los yog kub ntiv tes los muab kev tiv thaiv qis thiab hnav tsis kam, uas yog hu ua ntiv tes plating lossis protruding hauv zos plating.Cov txheej txheem yog raws li nram no: 1) tshem tawm cov co...Nyeem ntxiv -
Cov teeb meem dab tsi yuav tsum tau them nyiaj rau hauv etching hauv PCB pov thawj?
Hauv PCB pov thawj, ib txheej ntawm cov hlau lead-tin tiv thaiv yog pre-plated rau ntawm cov ntawv ci tooj liab yuav tsum tau khaws cia rau ntawm txheej txheej ntawm lub rooj tsavxwm, uas yog, daim duab ntawm lub voj voog, thiab tom qab ntawd cov ntawv nyiaj seem tooj liab yog tshuaj etched. deb, uas yog hu ua etching.Yog li, hauv PCB pov thawj, dab tsi teeb meem sho ...Nyeem ntxiv -
Dab tsi tseem ceeb yuav tsum tau piav qhia rau cov chaw tsim khoom rau kev pov thawj PCB?
Thaum tus neeg siv khoom xa daim ntawv pov thawj PCB, dab tsi tseem ceeb yuav tsum tau piav qhia rau PCB cov ntaub ntawv pov thawj?1. Cov ntaub ntawv: piav qhia seb cov khoom siv twg yog siv los ua pov thawj PCB.Feem ntau yog FR4, thiab cov khoom tseem ceeb yog epoxy resin peeling fiber ntau daim ntaub.2. Board txheej: Indica...Nyeem ntxiv -
Dab tsi yog cov qauv tshuaj xyuas hauv cov txheej txheem pov thawj PCB?
1. Txiav Txheeb xyuas qhov tshwj xeeb, qauv thiab txiav qhov loj ntawm lub rooj tsav xwm substrate raws li cov khoom lag luam ua lossis txiav cov duab kos.Lub longitude thiab latitude kev taw qhia, ntev thiab dav dimension thiab perpendicularity ntawm lub substrate board yog nyob rau hauv lub Scope teev nyob rau hauv t ...Nyeem ntxiv -
Yuav ua li cas kuaj tom qab PCB thaiv?
Tom qab PCB thaiv kev tsim ua tiav, nws yuav tsum tau kuaj xyuas seb puas yog PCB thaiv cov qauv tsim ua raws li cov kev cai thiab seb cov txheej txheem tsim tsis ua raws li cov txheej txheem tsim khoom ntawm PCB.Yog li, yuav ua li cas kuaj tom qab PCB thaiv?Cov hauv qab no yuav tsum tau kuaj xyuas tom qab PCB wi ...Nyeem ntxiv -
Dab tsi yog qhov sib txawv ntawm cov cua kub solder leveling, immersion silver thiab immersion tin hauv PCB txheej txheem kho?
1 、 Cua kub solder leveling Lub rooj tsavxwm nyiaj hu ua tin kub cua solder leveling board.Txau ib txheej ntawm tin rau txheej txheej ntawm tooj liab Circuit Court yog conductive rau vuam.Tab sis nws tsis tuaj yeem muab kev sib cuag mus ntev xws li kub.Thaum siv nws ntev heev, nws yooj yim rau oxidize thiab xeb, res...Nyeem ntxiv -
Dab tsi yog cov ntawv thov tseem ceeb ntawm PCB (Printed circuit board)?
PCB, tseem hu ua lub rooj tsav xwm luam tawm, yog lub hauv paus tseem ceeb ntawm cov khoom siv hluav taws xob.Yog li, dab tsi yog cov ntawv thov tseem ceeb ntawm PCB?1. Daim ntawv thov hauv cov khoom siv kho mob Kev nce qib sai ntawm cov tshuaj muaj feem cuam tshuam nrog kev loj hlob sai ntawm kev lag luam hluav taws xob.Ntau yam khoom siv kho mob muaj ...Nyeem ntxiv -
Dab tsi yog cov hauv paus ntsiab lus, qhov zoo thiab qhov tsis zoo ntawm PCB sib dhos dej ntxuav tshuab?
Lub PCB sib sau ua ke cov txheej txheem dej ntxuav siv dej ua qhov nruab nrab ntxuav.Ib qho me me (feem ntau 2% - 10%) ntawm surfactants, corrosion inhibitors thiab lwm yam tshuaj tuaj yeem muab ntxiv rau hauv dej.PCB sib dhos tu yog ua tiav los ntawm kev ntxuav nrog ntau qhov dej thiab ziab nrog p ...Nyeem ntxiv -
Dab tsi yog qhov tseem ceeb ntawm PCB sib dhos ua cov pa phem?
Yog vim li cas vim li cas PCB sib dhos tu ua ntau dua thiab tseem ceeb dua yog tias PCB sib dhos ua cov pa phem ua rau muaj kev puas tsuaj loj rau cov laug cam.Peb txhua tus paub tias qee qhov ionic lossis non-ionic pollution yuav raug tsim nyob rau hauv cov txheej txheem ua, uas feem ntau hu ua qee qhov pom lossis pom tsis pom.W...Nyeem ntxiv -
Dab tsi yog qhov laj thawj tseem ceeb rau kev ua tsis tiav ntawm PCB kev sib dhos ua cov pob qij txha?
Nrog rau kev txhim kho ntawm miniaturization thiab precision ntawm cov khoom siv hluav taws xob, PCB sib dhos tsim thiab kev sib dhos ntom ntom siv los ntawm cov khoom siv hluav taws xob tau nce siab dua thiab siab dua, cov pob qij txha hauv Circuit Court boards tau txais me me thiab me, thiab cov khoom siv hluav taws xob, hluav taws xob ...Nyeem ntxiv -
Yuav ua li cas kom paub meej thiab txheeb xyuas PCB sib dhos fais fab mov luv luv Circuit Court?
Thaum ua haujlwm nrog PCB sib dhos, qhov nyuaj tshaj plaws los kwv yees thiab daws tau yog qhov teeb meem ntawm lub zog hluav taws xob luv luv.Tshwj xeeb tshaj yog thaum lub rooj tsavxwm yog qhov nyuaj dua thiab ntau qhov sib txawv ntawm cov khoom siv hluav taws xob tau nce, qhov teeb meem ntawm cov khoom siv hluav taws xob luv luv ntawm PCB los ua ke yog qhov nyuaj rau tswj.Kev ntsuas kub ...Nyeem ntxiv
