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Keeb kwm thiab cov yam ntxwv ntawm ib leeg pcb board | YMSPCB

Thawj zaug tshwm sim xyoo 1950 ib leeg pcb pawg thawj coj , tib lub txheej txheej PCB cov khoom siv siv cov ntawv phenolic backing board, ob tog lub rooj tsav xwm yooj yim kom nkag siab ob tog muaj xaim, yog li qhov sib txawv zoo dua, vaj huam sib luag yog ntau dua 2 txheej, thaiv ntau npaum li cas nyuaj thiab tus nqi, cov ntsiab lus tshwj xeeb thov ua raws li Tuam Tshoj PCB cov tuam txhab kom nkag siab:

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Keeb Kwm Ntawm Ib Pawg Daim Ntawv Circuit Court Ib Zaug:

Ib leeg ib daim ntawv luam tawm Circuit Board yog cov khoom lag luam tsim nyob hauv Tebchaws Asmeskas nrog cov tsos ntawm transistors hauv thaum xyoo 1950. Lub sijhawm ntawd, kev ncaj qha etching ntawm cov ntawv ci tooj liab yog cov txheej txheem tseem ceeb tshaj plaws.

Xyoo 1953-1955, Nyij Pooj siv cov ntawv ci tooj liab coj los ua cov ntawv phenolic tooj liab ntawv nyiaj thawj zaug, thiab nws tau siv dav hauv xov tooj cua.

Xyoo 1956, tom qab muaj kev tshaj lij ntawm cov kws tshaj lij ntawm cov hluav taws xob Circuit Court hauv Nyij Pooj, kev tsim thev naus laus zis ntawm tib lub vaj huam sib luag sai sai sai.

Hais txog cov ntaub ntawv, thaum nyuam qhuav pib, ntawv phenolic tooj liab ntawv ci substrate yog cov khoom siv tseem ceeb. Txawm li cas los xij, vim muaj hluav taws xob tsis tshua muaj hluav taws xob, tsis zoo vuam hluav taws xob tiv thaiv kub ntxhov, cuam tshuam thiab lwm yam ntawm cov khoom siv phenolic thaum lub sijhawm ntawd, cov ntaub ntawv xws li ntawv nplhaib roj av cob thiab iav fiber epoxy resin tau maj mam tsim. Tam sim no, tib lub vaj huam sib luag yuav tsum tau siv los ntawm cov neeg siv khoom siv tshuab hauv cov tshuab yuav luag txais yuav cov ntawv phenolic resin substrate.

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Cov yam ntxwv ntawm ib leeg ib leeg Circuit Court board:

Lub vaj huam sib luag tsuas yog nyob rau ntawm cov PCB yooj yim tshaj plaws, nrog rau qhov chaw muaj nyob rau ntawm ib sab thiab cov xov hlau ntawm lwm.Vim cov xov hlau tsuas tshwm rau ntawm ib sab xwb, peb hu qhov no HOM ntawm PCB ib leeg. qhov kev txwv tsis pub dhau ntawm ib qho hluav taws xob hauv qhov tsim qauv (vim hais tias tsuas yog ib sab ntawm lub Circuit Court tsis tuaj yeem hla thiab yuav tsum muaj qhov txhab nyob ib puag ncig ntawm txoj kev sib cais);

Daim duab thaiv ntawm ib lub vaj huam sib luag yog ua los ntawm kev tshuaj ntsuam luam ntawv, uas txhais tau hais tias thaiv tus neeg sawv cev yog luam tawm ntawm qhov tooj liab, etched los tiv thaiv solder Luam Ntawv cim, thiab thaum kawg xuas nrig ntaus ua yog siv los ua kom tiav cov ntu 'kev qhia lub qhov thiab cov duab. Tsis tas li ntawd, rau qee cov khoom lag luam tsim tawm hauv qhov ntau me me thiab hauv ntau txoj hauv kev, txheej txheem yees duab hauv cov qauv uas tus qauv tsim los ntawm kev siv tshuaj kho qhov muag tau siv.

Qhov saum toj no yog hais txog keeb kwm ntawm lub rooj tsav xwm hauv Circuit Court thiab cov yam ntxwv ntawm kev taw qhia, Kuv vam tias yuav muaj qee qhov kev pab rau koj ~! Peb yog cov pcb pawg thawj coj saib kev lag luam, zoo siab txais tos koj kev sib tham ~

https://www.ymspcb.com/1layer-copper-base-board-ymspcb-2.html


Lub sij hawm tshaj tawm: Kaum Hli-22-2020
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