- 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...
- 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 ...
- 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...
- Yadda za a hana PCB jirgin warping a lokacin masana'antu tsari
SMT (Printed Circuit Board Assembly, PCBA) kuma ana kiransa fasahar hawan dutse.A lokacin aikin masana'antu, ana yin zafi da narkar da man narkar a cikin yanayin dumama, ta yadda PCB gammaye suna dogaro da haɗin gwiwa tare da abubuwan hawan saman saman ta hanyar abin da ake solder manna gami.Muna kiran wannan tsari sake kwarara soldering.Yawancin allunan da'ira suna saurin lankwasawa da warping lokacin da ba za a iya ...
- HDI allo-high density interconnect
HDI allon, babban yawa interconnect buga kewaye allon HDI daya daga cikin mafi sauri girma fasahar a PCBs kuma yanzu samuwa a ABIS Circuits Ltd. HDI allunan dauke da makafi da/ko binne vias, kuma yawanci ya ƙunshi microvias na 0.006 ko karami diamita.Suna da girma mai girma fiye da allunan kewayawa na gargajiya.Akwai nau'ikan allunan HDI PCB guda 6 daban-daban, daga sama zuwa su ...
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