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Zomwe timatchula nthawi zambiri ndi "FR-4 Fiber Class Material PCB Board" ndi dzina lachidziwitso cha giredi la zida zosagwira moto.Imayimira tsatanetsatane wazinthu zomwe utomoni uyenera kuzimitsa wokha utawotchedwa.Si dzina lakuthupi, koma mtundu wa zinthu.Zofunika kalasi, kotero pali mitundu yambiri ya zipangizo FR-4 kalasi ntchito matabwa wamba madera panopa, koma ...
Gulu losindikizidwa lozungulira limapangidwa ndi zigawo zazitsulo zamkuwa zamkuwa, ndipo malumikizidwe pakati pa zigawo zosiyana siyana amadalira "vias" izi.Izi ndichifukwa choti opanga ma board amasiku ano amagwiritsa ntchito mabowo obowola kuti alumikizane ndi mabwalo osiyanasiyana.Pakati pa zigawo zozungulira, ndizofanana ndi njira yolumikizira yamadzi ambiri apansi panthaka.Anzanga omwe adasewera kanema wa "M'bale Mary" ...
Kodi Silkscreen Pa PCB Ndi Chiyani?Mukapanga kapena kuyitanitsa ma board ozungulira osindikizidwa, mumafunika kulipira zowonjezera pa silkscreen?Pali mafunso omwe muyenera kudziwa kuti silkscreen ndi chiyani?Ndipo mawonekedwe a silkscreen ndi ofunika bwanji mu PCB Board yanu yopanga kapena Printed Circuit Board Assembly?Tsopano ABIS ikufotokozerani.Kodi silkscreen ndi chiyani?Silkscreen ndi wosanjikiza wa inki trace ntchito kuzindikira zigawo zikuluzikulu, ...
HDI bolodi, mkulu kachulukidwe interconnect kusindikizidwa dera bolodi HDI matabwa ndi imodzi mwa matekinoloje kukula mofulumira PCBs ndipo tsopano likupezeka ABIS Circuits Ltd. HDI matabwa ali akhungu ndi/kapena vias m'manda, ndipo kawirikawiri amakhala microvias wa 0,006 kapena awiri ang'onoang'ono.Amakhala ndi kachulukidwe kakang'ono kwambiri kuposa matabwa achikhalidwe.Pali 6 mitundu yosiyanasiyana ya HDI PCB matabwa, kuchokera pamwamba mpaka su ...
SMT (Printed Circuit Board Assembly, PCBA) imatchedwanso ukadaulo wapamwamba kwambiri.Panthawi yopangira, phala la solder limatenthedwa ndikusungunuka m'malo otentha, kotero kuti mapepala a PCB amaphatikizidwa modalirika ndi zigawo zokwera pamwamba pazitsulo zopangira phala.Izi timazitcha kuti reflow soldering.Ma board ambiri ozungulira amakhala okonda kupindika ndi kupindika akapanda ...
1. Chimango chakunja (mbali yokhotakhota) ya Gulu Losindikizidwa la Circuit Board liyenera kutengera mawonekedwe otsekeka kuti awonetsetse kuti jigsaw ya PCB sidzapunduka pambuyo pokhazikika;2. PCB gulu m'lifupi ≤260mm (SIEMENS mzere) kapena ≤300mm (FUJI mzere);ngati kugawira basi kumafunika, PCB gulu m'lifupi×utali ≤125 mm×180 mm;3. Maonekedwe a jigsaw ya PCB akuyenera kukhala pafupi ndi lalikulu momwe angathere...
Ma board a ceramic amapangidwa ndi zida zamagetsi zamagetsi ndipo amatha kupangidwa mosiyanasiyana.Pakati pawo, bolodi la dera la ceramic lili ndi mawonekedwe apamwamba kwambiri a kukana kutentha kwambiri komanso kutsekemera kwamagetsi.Ili ndi maubwino okhala ndi dielectric otsika, kutayika kwa dielectric, kutsika kwamafuta, kukhazikika kwamankhwala, komanso kufalikira kwamafuta komweko ...
Kuwotcha kwa zinthu, zomwe zimadziwikanso kuti retardancy yamoto, kuzimitsa zokha, kukana lawi, kukana moto, kukana moto, kuyaka ndi kuyaka kwina, ndikuwunika kuthekera kwa zinthuzo kukana kuyaka.Chitsanzo cha zinthu zoyaka moto chimayatsidwa ndi lawi lomwe limakwaniritsa zofunikira, ndipo lawilo limachotsedwa pambuyo pa nthawi yodziwika.Mlingo wakuyaka ndi ...
9. Kodi kusamvana ndi chiyani?Yankho: Pakati pa mtunda wa 1mm, kusintha kwa mizere kapena mizere yotalikirana yomwe ingapangidwe ndi kukana kwa filimu youma kungasonyezedwenso ndi kukula kwake kwa mizere kapena mipata.Kusiyana pakati pa filimu yowuma ndi kukana filimu makulidwe Kunenepa kwa filimu ya polyester kumagwirizana.Kuchuluka kwa filimu yolimbana ndi filimuyi, kumachepetsanso kuthetsa.Pamene kuwala ...
Aliyense amene akukhudzidwa ndi makampani osindikizira a board (PCB) amamvetsetsa kuti ma PCB ali ndi zomaliza zamkuwa pamtunda wawo.Ngati atasiyidwa osatetezedwa ndiye kuti mkuwawo umatulutsa okosijeni ndikuwonongeka, zomwe zimapangitsa kuti bolodi ladera lisagwiritsidwe ntchito.Kumapeto kwapamwamba kumapanga mawonekedwe ovuta pakati pa chigawocho ndi PCB.Kumaliza kuli ndi ntchito ziwiri zofunika, kuteteza zozungulira zamkuwa zowululidwa ndi ...
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