Cov ntawv thov dab tsi yog Heavy Copper PCBs feem ntau siv rau?
Hnyav tooj liab PCBs yog qhov zoo tagnrho rau cov khoom siv hluav taws xob siab, tsheb, kev tiv thaiv thiab kev siv tub rog, khoom siv kho mob, thiab ntau qhov chaw.
Qhov hnyav tooj liab PCB yog dab tsi?
hnyav tooj liab PCB hais txog PCB qhov twg 3oz lossis ntau dua tooj liab siv rau txhua txheej ntawm lub rooj tsavxwm ob sab hauv thiab sab nrauv.
Puas muaj kev txwv rau kev siv tooj liab hnyav hauv ntau txheej PCBs?
Thaum tooj liab hnyav tuaj yeem siv rau hauv ntau txheej PCBs, muaj qee qhov kev txwv. Qhov ntau ntawm tooj liab thickness tuaj yeem ua rau nws nyuaj kom ua tiav kev sau npe zoo ntawm cov khaubncaws sab nraud povtseg. Tsis tas li ntawd, tag nrho cov board thickness nce ntxiv nrog hnyav tooj liab ntawm ntau txheej, uas tuaj yeem cuam tshuam cov txheej txheem tsim xws li drilling thiab plating los ntawm qhov.
Qhov hnyav tooj liab PCBs puas tuaj yeem siv nrog kev siv tshuab saum npoo av (SMT)?
Yog lawm, hnyav tooj liab PCBs tuaj yeem tsim rau SMT Cheebtsam. Txawm li cas los xij, kev txiav txim siab tshwj xeeb yog xav tau rau daim ntawv thov solder paste, qhov chaw tso khoom, thiab cov ntaub ntawv reflow vim qhov nce thermal loj ntawm hnyav tooj liab txheej. Fine-pitch SMT Cheebtsam yuav xav tau tus qauv tooj liab tuab hauv lawv qhov chaw mounting.
Dab tsi yog qhov "hnyav tooj liab" hauv PCB manufacturing?
Feem ntau, txhua tus tooj liab tuab saum 3 oz (105 µm) yog suav tias yog tooj liab hnyav. Txawm li cas los xij, cov ntsiab lus tuaj yeem sib txawv nyob ntawm daim ntawv thov thiab kev lag luam. Qee cov tuam txhab lag luam yuav xav txog 3 oz yog qhov pib rau cov tooj liab hnyav, thaum lwm tus tuaj yeem teeb tsa qhov pib ntawm 4 oz lossis siab dua.
Tus nqi ntawm hnyav tooj liab PCBs piv rau cov qauv PCBs li cas?
Hnyav tooj liab PCBs feem ntau kim dua li cov qauv PCBs vim yog ntau yam: Cov khoom siv raw khoom ntau dua (ntau tooj liab) Lub sijhawm ua haujlwm ntev dua, tshwj xeeb tshaj yog rau etching Cov cuab yeej siv siab dua thaum tsim cov txheej txheem kev tsim khoom ntau dua qhov muaj peev xwm txo qis cov txiaj ntsig vim yog kev tsim khoom nruj dua, Txawm li cas los xij, tus nqi nce ntxiv tuaj yeem raug cuam tshuam los ntawm kev txhim kho kev ua tau zoo, kev ntseeg siab, thiab lub peev xwm los txo cov txheej txheem hauv qee qhov qauv tsim.
Koj xaiv lub thickness ntawm PCB tooj liab li cas?
Raws li kev siv sib txawv ntawm PCB, qhov xav tau tooj liab tuab yog txawv. Zoo li PCBs rau cov neeg siv khoom siv dav dav thiab cov khoom sib txuas lus, tooj liab thicknesses ntawm 0.5oz, 1oz, thiab 2oz yog xav tau; rau cov khoom siv hluav taws xob nqa cov khoom siv hluav taws xob siab, xws li cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab lwm yam khoom, PCBs feem ntau xav tau ntau tshaj 3oz ntawm cov tooj liab tuab. Nyob rau hauv luv luv, xaiv qhov tsim nyog tooj liab thickness raws li qhov yuav tsum tau ntawm cov khoom.
Muaj pes tsawg txheej ntawm tooj liab nyob hauv PCB?
Muaj ib txheej tooj liab nyob rau hauv ib leeg-sab PCB. Muaj ob txheej ntawm tooj liab hauv ob sab PCB. Muaj ntau tshaj ob txheej ntawm tooj liab hauv ntau txheej PCB. Piv txwv li, muaj plaub txheej tooj liab hauv 4-txheej PCB.
Puas muaj qhov sib txawv ntawm hnyav tooj liab Circuit Court board thiab tuab tooj liab PCBs?
Tsis muaj qhov sib txawv ntawm ob nqe lus no, txhua yam txhais tau tias cov ntawv luam tawm Circuit Court boards nrog 3oz los yog tuab tooj liab tuab. Thick tooj liab PCB los yog hnyav tooj liab boards yog dav siv nyob rau hauv siab zog hluav taws xob boards.
Dab tsi yog qhov hnyav tooj liab rau Heavy Copper PCBs?
Qhov hnyav tooj liab rau hnyav tooj liab PCBs yog ntau tshaj 2 ooj (70um). Tab sis peb kuj tuaj yeem tsim cov tooj liab ntau dua li 4 oz tooj liab PCB, 10 oz tooj liab PCB thiab mus txog 20 oz tooj liab PCB.
Cov ntaub ntawv dab tsi yog siv hauv Heavy Copper PCBs?
RTF tooj liab yuav tsum tau siv.
Cov khoom ntim zoo dua hauv lamination
High thermal conductivity substrate
Puas muaj kev xav txog kev tsim qauv thaum ua haujlwm nrog Heavy Copper PCBs?
Them cov tooj liab loj rau hauv cov chaw tooj liab
Khaws cov tooj liab kom zoo
Nce kab dav thiab qhov sib txawv
Optimize lub ncoo tsim ntawm lub puab txheej
Dab tsi yog qhov zoo ntawm kev siv Heavy Copper PCBs?
Tiv thaiv ntau qhov tam sim no thiab ntau dua voltages
Kev ntseeg siab
Ntau resistant rau kub, txias, thiab corrosion
Lub neej ntev lub voj voog
Puas yog 2oz tooj liab PCB hnyav tooj liab luam tawm Circuit Board?
Nyob rau hauv Richfulljoy, luam tawm Circuit Board nrog 0.33oz, 0.5oz, 1oz thiab 2oz yog ib txwm tooj liab tuab. Yog li peb xav tias 2oz PCB tsis hnyav tooj liab Circuit Court board, thiab peb suav nrog PCBs nrog 3oz lossis siab dua tooj liab thickness li hnyav tooj liab boards.