- Me yasa allon da'ira bugu yana buƙatar sarrafa impedance?
Me yasa allon da'ira bugu yana buƙatar sarrafa impedance?A cikin layin siginar watsawa na na'urar lantarki, juriyar da ake fuskanta lokacin da siginar babban mitar sigina ko igiyar lantarki ta yaɗu ana kiransa impedance.Me yasa allon PCB ya zama impedance yayin aikin masana'anta na masana'antar hukumar kewaye?Bari mu yi nazari daga dalilai 4 masu zuwa: 1. Kwamitin da'ira na PCB na ...
- Me yasa yawancin allunan da'irar da'ira masu yawa suna da ma'auni?
Akwai allunan kewayawa mai gefe guda, mai gefe biyu da multilayer.Ba a iyakance adadin allunan Layer Layer ba.A halin yanzu akwai fiye da PCB masu Layer 100.PCBs na gama-gari masu Layer Layer guda huɗu ne da allunan Layer shida.To me yasa mutane suke da tambaya "Me yasa PCB multilayer allunan duk ma-launi yadudduka? A dangana, ko da-lamba PCBs yi fiye da m-lamba PCBs, ...
- Tsarin Rabin Rami na Hukumar da'ira
Ƙarfashin rabin ramin yana nufin bayan rami mai ƙarfe (dill, gong groove), sai na biyu ya haƙa da siffa, kuma a ƙarshe ana riƙe rabin ramin ƙarfe (tsagi).Domin kula da samar da allunan rabin ramuka na karfe, masana'antun da'irar yawanci suna ɗaukar wasu matakan ne saboda matsalolin aiwatar da su a tsakar ramukan ƙarfe da ramukan da ba na ƙarfe ba.Karfe rabin rami...
- A&Q na PCB, Me yasa solder mashin toshe rami?
1. Me yasa BGA take a cikin ramin abin rufe fuska na solder?Menene ma'aunin liyafar?Sake: Da farko, ramin toshe abin rufe fuska shine don kare rayuwar sabis na ta hanyar, saboda ramin da ake buƙata don matsayin BGA gabaɗaya ya fi ƙanƙanta, tsakanin 0.2 da 0.35mm.Wasu siffofin ba su da sauƙi a busasshe su ko a kwashe su, kuma yana da sauƙin barin ragowar.Idan abin rufe fuska na solder bai toshe rami ko filogi ba...
- PCB SURFACE GAME, FA'IDA DA RASHIN AMFANI
Duk wanda ke da hannu a cikin masana'antar da'ira da aka buga (PCB) ya fahimci cewa PCBs suna da tagulla a saman su.Idan an bar su ba tare da kariya ba to jan ƙarfe zai yi oxidize kuma ya lalace, yana mai da allon kewayawa mara amfani.Ƙarshen saman yana samar da mahimmin mu'amala tsakanin abun da PCB.Ƙarshen yana da ayyuka masu mahimmanci guda biyu, don kare ɓarna na jan ƙarfe da t ...
- A&Q na PCB (2)
9. Menene ƙuduri?Amsa: A cikin nisa na 1mm, ƙudurin layin ko tazarar layin da za a iya kafa ta busassun juriya na fim kuma ana iya bayyana shi ta cikakken girman layin ko tazara.Bambance-bambance tsakanin busasshen fim ɗin da kauri na fim ɗin tsayayya da kauri na fim ɗin polyester yana da alaƙa.Mafi kauri Layer fim ɗin tsayayya, ƙananan ƙuduri.Lokacin da haske ...
- Daban-daban Materials na Circuit Board
Ƙunƙarar wani abu, wanda kuma aka sani da jinkirin harshen wuta, kashe kansa, juriya na harshen wuta, juriya na harshen wuta, juriya na wuta, flammability da sauran konewa, shine kimanta ikon kayan don tsayayya da konewa.Samfurin kayan wuta yana ƙonewa tare da harshen wuta wanda ya dace da bukatun, kuma an cire harshen wuta bayan ƙayyadadden lokaci.Matsayin flammability shine ...
- Ceramic PCB Board
An yi allunan kewayen yumbu a haƙiƙa da kayan yumbu na lantarki kuma ana iya yin su zuwa siffofi daban-daban.Daga cikin su, allon kewayawa na yumbu yana da mafi kyawun halaye na juriya na zafin jiki da babban rufin lantarki.Yana da abũbuwan amfãni daga low dielectric akai-akai, low dielectric asarar, high thermal conductivity, mai kyau sinadaran kwanciyar hankali, da kuma irin thermal fadada ...
- Yadda za a yi pcb a cikin panel?
1. Firam ɗin waje (gefen clamping) na Kwamitin Kula da Wuta na Buga ya kamata ya ɗauki ƙirar rufaffiyar madauki don tabbatar da cewa jigsaw na PCB ba zai zama naƙasa ba bayan an gyara shi a kan kayan aiki;2. PCB panel nisa ≤260mm (layin SIEMENS) ko ≤300mm (layin FUJI);idan ana buƙatar rarraba ta atomatik, nisa panel PCB × tsawon ≤125 mm × 180 mm;3. Siffar jigsaw na PCB yakamata ta kasance kusa da murabba'i kamar yadda za'a iya...
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