
Bowo lazitsulo lopangidwa ndi zitsulo limatanthawuza kuti pambuyo pobowola (bowolo, gong groove), ndiye kuti 2 yobowola ndi mawonekedwe, ndipo pamapeto pake theka la dzenje lazitsulo (groove) limasungidwa.Pofuna kulamulira kupanga zitsulo theka dzenje matabwa, dera opanga bolodi zambiri miyeso chifukwa cha mavuto ndondomeko pa mphambano ya metallized theka mabowo ndi mabowo sanali metallized.Metallized half-hole...
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 ...
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...
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 ...
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 ...
Vias mu bolodi dera amatchedwa vias, amene anawagawa kudzera mabowo, mabowo akhungu ndi kukwiriridwa mabowo (HDI Circuit Board).Amagwiritsidwa ntchito makamaka kulumikiza mawaya pamagawo osiyanasiyana a maukonde omwewo ndipo nthawi zambiri sagwiritsidwa ntchito ngati zida zogulitsira;Mapadi mu bolodi lozungulira amatchedwa mapepala, omwe amagawidwa kukhala mapepala a pini ndi mapepala okwera pamwamba;mapadi a pini ali ndi mabowo a solder, omwe ali ...
Pofika nthawi ya chidziwitso cha digito, zofunikira za kulankhulana kwafupipafupi, kutumizirana mwachangu, komanso chinsinsi cha mauthenga akuchulukirachulukira.Monga chinthu chofunikira kwambiri pamakampani azaukadaulo azidziwitso zamagetsi, PCB imafuna gawo lapansi kuti likwaniritse magwiridwe antchito a dielectric otsika, otsika kwambiri pakutayika kwa media, kutentha kwambiri ...
Kukula mwachangu kwa mafoni am'manja, zamagetsi, ndi kulumikizana kwamakampani kunalimbikitsa kukula kosalekeza komanso kukula mwachangu kwamakampani opanga ma board a PCB.Anthu ali ndi zofunikira zambiri pa chiwerengero cha zigawo, kulemera, kulondola, zipangizo, mitundu, ndi kudalirika kwa zigawo.Komabe, chifukwa cha mpikisano wowopsa wamsika, mtengo wa zida za board za PCB ulinso pakukwera ...
Bolodi lalitali lolondola kwambiri limatanthawuza kugwiritsa ntchito mizere yabwino m'lifupi / katayanitsidwe, mabowo ang'onoang'ono, m'lifupi mwake (kapena opanda mphete m'lifupi), ndi mabowo okwiriridwa ndi akhungu kuti mukwaniritse kachulukidwe kwambiri.Ndipo kulondola kwakukulu kumatanthauza kuti zotsatira za "zoonda, zazing'ono, zopapatiza, zopapatiza" zidzabweretsa zofunikira zolondola kwambiri, tengani mzere wa mzere monga chitsanzo: O. 20mm mzere wa mzere, malinga ndi malamulo opangira O. 16 ...
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