Esivame ukubhekisela kukho ukuthi "FR-4 Fiber Class Material PCB Board" igama lekhodi lebanga lezinto ezingashi.Imele ukucaciswa kwezinto ezibonakalayo okumele i-resin ikwazi ukuzicisha ngokwayo ngemva kokushiswa.Akulona igama eliphathekayo, kodwa uhlobo lwezinto ezibonakalayo.Ibanga lezinto ezibonakalayo, ngakho-ke kunezinhlobo eziningi zezinto zebanga le-FR-4 ezisetshenziswa kumabhodi wesifunda ajwayelekile njengamanje, kodwa...
Ukuhlola kwe-TDR okwamanje kusetshenziswa kakhulu kubakhiqizi bebhodi lesekhethi yebhethri ye-PCB (amabhodi esekethe ephrintiwe) imigqa yesignali nokuhlolwa kokuvinjwa kwedivayisi.Kunezizathu eziningi ezithinta ukunemba kokuhlolwa kwe-TDR, ikakhulukazi ukubonisa, ukulinganisa, ukukhetha ukufunda, njll. Ukuzindla kuzodala ukuphambuka okukhulu kunani lokuhlola lomugqa wesignali we-PCB omfushane, ikakhulukazi uma kusetshenziswa i-TIP (probe) ...
I-Vias ebhodini lesekethe ibizwa ngokuthi i-vias, ehlukaniswe ngemigodi, imigodi eyimpumputhe kanye nezimbobo ezigqitshiwe (i-HDI Circuit Board).Ngokuyinhloko zisetshenziselwa ukuxhuma izintambo ezingqimbeni ezihlukene zenethiwekhi efanayo futhi ngokuvamile azisetshenziswa njengezingxenye ze-soldering;Amaphedi ebhodini lesifunda abizwa ngokuthi ama-pads, ahlukaniswe abe ama-pin pads kanye nama-surface mount pads;amaphinikhodi anezimbobo ze-solder, okuyi...
Isikhathi sokugcina se-PCB, kanye nezinga lokushisa nesikhathi sokusebenzisa ihhavini yezimboni ukubhaka i-PCB konke kulawulwa yimboni.Ithini impilo yeshelufu ye-PCB?Futhi indlela yokunquma isikhathi sokubhaka kanye nezinga lokushisa?1. Ukucaciswa kokulawula kwe-PCB 1. Ukukhumula nokugcinwa kwe-PCB (1) Ibhodi le-PCB lingasetshenziswa ngokuqondile ku-inthanethi phakathi nezinyanga ezi-2 zosuku lokukhiqiza lwebhodi le-PCB elivalwe futhi elingavuliwe...
Ngokufika kweminyaka yolwazi lwedijithali, izimfuneko zokuxhumana okufika phezulu, ukudluliswa kwesivinini esikhulu, kanye nokuba yimfihlo okuphezulu kwezokuxhumana ziya ngokuya ziba phezulu.Njengomkhiqizo osekelayo obalulekile embonini yobuchwepheshe bolwazi lwe-elekthronikhi, i-PCB idinga i-substrate ukuthi ihlangabezane nokusebenza kwe-dielectric engaguquki, into ephansi yokulahlekelwa kwemidiya, izinga lokushisa eliphezulu...
Ukuthuthukiswa okusheshayo kwezimboni zamaselula, ze-electronics, nezokuxhumana kukhuthaze ukukhula okuqhubekayo kanye nokukhula ngokushesha kwemboni yebhodi lesifunda le-PCB.Abantu banezidingo ezengeziwe zenani lezendlalelo, isisindo, ukunemba, izinto zokwakha, imibala, nokuthembeka kwezingxenye.Kodwa-ke, ngenxa yokuncintisana kwentengo yemakethe, izindleko zezinto zebhodi le-PCB nazo zikhuphuka kakhulu ...
Okokuqala, njengebhodi lesifunda eliphrintiwe, i-PCB ihlinzeka ngokuxhumana phakathi kwezingxenye ze-elekthronikhi.Abukho ubuhlobo obuqondile phakathi kombala nokusebenza, futhi umehluko we-pigments akuphazamisi izakhiwo zikagesi.Ukusebenza kwebhodi le-PCB kunqunywa izinto ezifana nezinto ezisetshenzisiwe (inani eliphezulu le-Q), ukwakheka kwezintambo, kanye nezingqimba ezimbalwa ze-t...
Izinto eziyisisekelo zebhodi lesifunda lefektri ye-electro-acoustic PCB ine-foil yethusi kuphela ezinhlangothini zombili, futhi phakathi nendawo iyisendlalelo sokuvikela, ngakho-ke akudingeki ukuba ibe yi-conductive phakathi kwezinhlangothi ezimbili noma izifunda ezinezingqimba eziningi zesekethe. ibhodi?Imigqa ezinhlangothini zombili ingaxhunywa kanjani ndawonye ukuze i-current ihambe kahle?Ngezansi, sicela ubone i-electroacoustic PCB manufactu...
Inani lokukhiphayo lomkhakha we-electroplating PCB womhlaba wonke likhule ngokushesha kunani eliphelele lokuphumayo lemboni yezingxenye ze-elekthronikhi.Yimboni enengxenye enkulu kunazo zonke embonini yokuhlukanisa izingxenye ze-elekthronikhi futhi inesikhundla esiyingqayizivele.Inani lokukhiphayo lonyaka le-electroplating PCB lingama-dollar ayizigidi eziyizinkulungwane ezingama-60.Umthamo wemikhiqizo kagesi uya ngokuya ukhula...
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