
Isiqingatha somngxuma owenziwe ngesinyithi sithetha ukuba emva komngxuma wokubhobhoza (i-drill, i-gong groove), emva koko i-2 igrunjiwe kwaye imile, kwaye ekugqibeleni isiqingatha somngxuma owenziwe ngesinyithi (groove) sigcinwa.Ukuze ulawule ukuveliswa kweebhodi zetsimbi ezinesiqingatha, abavelisi bebhodi yesekethe badla ngokuthatha amanyathelo athile ngenxa yeengxaki zenkqubo ekudibaneni kweemingxuma ezinesiqingatha ezinentsimbi kunye nemingxuma engaxutywanga.Intsimbi enesiqingatha yomngxuma...
Nabani na obandakanyekayo kushishino lwebhodi yesekethe eprintiweyo (PCB) bayaqonda ukuba iiPCBs zinemiphetho yobhedu kumphezulu wazo.Ukuba zishiywe zingakhuselekanga ngoko ubhedu luya ku-oxidize kwaye luwohloke, okwenza ibhodi yesekethe ingasebenzi.Ukugqitywa komphezulu kwenza ujongano olubalulekileyo phakathi kwecandelo kunye nePCB.Ukugqitywa kunemisebenzi emibini ebalulekileyo, ukukhusela ukujikeleza kobhedu okuveziweyo kunye ...
1. Ifreyim yangaphandle (icala elibambekayo) lephaneli yeBhodi yeSekethe eShicileleyo kufuneka yamkele uyilo lwe-loop evaliweyo ukuqinisekisa ukuba ijigsaw yePCB ayisayi konakala emva kokulungiswa kwifixture;2. PCB panel ububanzi ≤260mm (SIEMENS umgca) okanye ≤300mm (FUJI line);ukuba ukukhutshwa okuzenzekelayo kuyadingeka, ububanzi bepaneli yePCB × ubude ≤125 mm×180 mm;3. Ubume bejigsaw yePCB kufuneka ibe kufutshane nesikwere kangangoko...
I-SMT (iNdibano yeBhodi yeSekethe eShicileleyo, i-PCBA) ikwabizwa ngokuba yi-surface Mount technology.Ngexesha lenkqubo yokuvelisa, i-solder paste iyafudumala kwaye inyibilike kwindawo yokufudumala, ukwenzela ukuba iipadi ze-PCB zidibaniswe ngokuthembekileyo kunye nezixhobo zokunyuka komphezulu ngokusebenzisa i-solder paste alloy.Le nkqubo siyibiza ngokuba yireflow soldering.Uninzi lweebhodi zesekethe zithande ukugoba kunye nokujija ibhodi xa unde...
Ibhodi ye-HDI, ibhodi ye-HDI yoxinaniso oluphezulu oluprintiweyo ibhodi yesekethe iibhodi ze-HDI yenye yezona zinto zikhula ngokukhawuleza kwiiteknoloji kwi-PCB kwaye ngoku zifumaneka kwi-ABIS Circuits Ltd. Iibhodi ze-HDI ziqulethe ii-vias ezingaboniyo kunye / okanye zingcwatywe, kwaye ngokuqhelekileyo ziqulethe i-microvias ye-0.006 okanye i-diameter encinci.Banoxinzelelo lwesekethe ephezulu kuneebhodi zesekethe zemveli.Kukho 6 iintlobo ezahlukeneyo HDI iibhodi PCB, ukusuka kumphezulu ukuya su ...
I-Vias kwibhodi yesekethe ibizwa ngokuba yi-vias, eyahlulahlulwe yaba yimingxunya, imingxuma eyimfama kunye nemingxuma engcwatywe (iBhodi yeSekethe ye-HDI).Zisetyenziselwa ikakhulu ukudibanisa iingcingo kwiileya ezahlukeneyo zothungelwano olufanayo kwaye azisetyenziswa ngokubanzi njengamacandelo e-soldering;Iipads kwibhodi yesekethe zibizwa ngokuba yi-pads, ezahlulwe zibe yi-pin pads kunye ne-surface mount pads;iipadi zephini zinemingxuma yokuthengisela, e...
Ngokufika kwexesha lolwazi lwedijithali, iimfuno zoqhagamshelwano oluphezulu, ukuhanjiswa kwesantya esiphezulu, kunye nokugcinwa kwemfihlo yonxibelelwano kuya kuba phezulu nangaphezulu.Njengemveliso eyimfuneko exhasayo kushishino lwetekhnoloji yolwazi lwe-elektroniki, iPCB ifuna i-substrate ihlangabezane nokusebenza kwe-dielectric ephantsi rhoqo, ilahleko yemidiya ephantsi, isantya esiphezulu...
Uphuhliso olukhawulezayo lweefowuni eziphathwayo, i-electronics, kunye namashishini onxibelelwano lwakhuthaza ukukhula okuqhubekayo kunye nokukhula ngokukhawuleza kweshishini lebhodi yesekethe ye-PCB.Abantu baneemfuno ezingakumbi zenani leeleya, ubunzima, ukuchaneka, imathiriyeli, imibala, kunye nokuthembeka kwamacandelo.Nangona kunjalo, ngenxa yokhuphiswano oluqatha lwamaxabiso emarike, ixabiso lezinto zebhodi yePCB likwakwizinga elikhulayo...
Ibhodi yesekethe echanekileyo echanekileyo ibhekiselele ekusetyenzisweni kobubanzi bomgca ocolekileyo / isithuba, imingxuma emincinci, ububanzi obuncinci bomsesane (okanye akukho bubanzi besangqa), kunye nemingxuma engcwatywayo kunye neyimfama ukuze kufumaneke ukuxinana okuphezulu.Kwaye ukuchaneka okuphezulu kuthetha ukuba isiphumo "esincinci, esincinci, esincinci, esincinci," ngokuqinisekileyo siya kuzisa iimfuno ezichanekileyo ezichanekileyo, thatha ububanzi bomgca njengomzekelo: O. 20mm ububanzi bomgca, ngokwemimiselo yokuvelisa i-O. 16 ...
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