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 ...
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, ...
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" ...
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 ...
Kuyesa kwa TDR pakadali pano kumagwiritsidwa ntchito makamaka pamizere yama siginecha opanga ma batire a PCB (ma board osindikizidwa) ndi kuyesa kwa chipangizo.Pali zifukwa zambiri zomwe zimakhudza kulondola kwa kuyesa kwa TDR, makamaka kuwonetsera, kusanja, kusankha kuwerenga, ndi zina zotero. Kusinkhasinkha kudzachititsa kuti pakhale kusiyana kwakukulu pamtengo woyesera wa mzere wamfupi wa chizindikiro cha PCB, makamaka pamene TIP (probe) ikugwiritsidwa ntchito ...
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 ...
Nthawi yosungirako PCB, ndi kutentha ndi nthawi yogwiritsira ntchito uvuni wa mafakitale kuphika PCB zonse zimayendetsedwa ndi makampani.Kodi alumali moyo wa PCB ndi chiyani?Ndipo momwe mungadziwire nthawi yophika ndi kutentha?1. Mafotokozedwe a PCB control 1. Kutsegula kwa PCB ndi kusungirako (1) Gulu la PCB litha kugwiritsidwa ntchito mwachindunji pa intaneti mkati mwa miyezi iwiri kuchokera tsiku lopangidwa la bolodi ya PCB yosindikizidwa ndi yosatsegulidwa...
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 ...
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