
I-metalized half-hole isho ukuthi ngemva kwembobo yokubhoboza (i-drill, i-gong groove), bese kuthi eyesibili ibhobolwe futhi ibunjwe, futhi ekugcineni ingxenye yembobo eyenziwe ngensimbi (igroove) iyagcinwa.Ukuze ulawule ukukhiqizwa kwamabhodi ensimbi anengxenye yembobo, abakhiqizi bebhodi lesifunda ngokuvamile bathatha izinyathelo ezithile ngenxa yezinkinga zenqubo lapho kuphambana khona izimbobo ezinengxenye ezinensimbi kanye nezimbobo ezingezona ezensimbi.Imbobo eyinsimbi eyenziwe ngensimbi...
Noma ubani ohilelekile embonini yebhodi lesekethe ephrintiwe (PCB) uyaqonda ukuthi ama-PCB aneziqephu zethusi endaweni yawo.Uma zishiywe zingavikelekile khona-ke ithusi lizokhipha i-oxidize futhi liwohloke, okwenza ibhodi lesifunda lingasebenzi.Isiphetho esingaphezulu sakha ukusebenzelana okubalulekile phakathi kwengxenye ne-PCB.Isiphetho sinemisebenzi emibili ebalulekile, ukuvikela ukujikeleza kwethusi okuveziwe kanye ...
1. Uhlaka lwangaphandle (uhlangothi olubambayo) lwephaneli Yebhodi Lesifunda Eliphrintiwe kufanele lusebenzise idizayini evala iluphu ukuze kuqinisekiswe ukuthi ijigsaw ye-PCB ngeke ikhubazekile ngemva kokulungiswa endaweni;2. Ububanzi bephaneli ye-PCB ≤260mm (umugqa we-SIEMENS) noma ≤300mm (umugqa we-FUJI);uma ukukhishwa okuzenzakalelayo kuyadingeka, ububanzi bephaneli ye-PCB× ubude ≤125 mm×180 mm;3. Umumo we-PCB jigsaw kufanele usondele eduze kwesikwele ngokungenzeka...
I-SMT(Printed Circuit Board Assembly, PCBA) ibizwa nangokuthi ubuchwepheshe be-surface mount.Phakathi nenqubo yokukhiqiza, i-solder paste iyashiswa futhi incibilike endaweni yokushisa, ukuze amaphedi e-PCB ahlanganiswe ngokuthembekile nezingxenye ze-surface mount ngokusebenzisa i-solder paste alloy.Le nqubo siyibiza ngokuthi i-reflow soldering.Iningi lamabhodi esekethe lithambekele ekugobeni nasekwenzeni ibhodi uma lihlehliswa...
Ibhodi le-HDI, ukuminyana okuphezulu kokuxhumana okuphrintiwe ibhodi lesifunda Amabhodi e-HDI angobunye bobuchwepheshe obukhula ngokushesha kuma-PCB futhi manje butholakala e-ABIS Circuits Ltd. Amabhodi e-HDI aqukethe ama-vias angaboni kanye/noma angcwatshwe, futhi ngokuvamile aqukethe ama-microvias angu-0.006 noma amancane ububanzi.Banobuningi besifunda obuphakeme kunamabhodi wesifunda wendabuko.Kunezinhlobo eziyisi-6 ezihlukene zamabhodi we-HDI PCB, ukusuka phezulu kuye ku-su...
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...
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 ...
Ibhodi lesifunda elinembayo eliphakeme libhekisela ekusetshenzisweni kobubanzi/isikhala somugqa ocolekile, izimbobo ezincane, ububanzi obuncane bendandatho (noma ukungabi nobubanzi bendandatho), kanye nezimbobo ezigqitshiwe nezingaboni ukuze kuzuzwe ukuminyana okuphezulu.Futhi ukunemba okuphezulu kusho ukuthi umphumela "womncane, omncane, omncane, omncane" uzoletha izidingo zokunemba okuphezulu nakanjani, thatha ububanzi bomugqa njengesibonelo: O. 20mm ububanzi bomugqa, ngokuvumelana nemithethonqubo yokukhiqiza i-O. 16...
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