- A&Q ya PCB, Chifukwa chiyani solder chigoba plug dzenje?
1. Chifukwa chiyani BGA ili mu dzenje la solder mask?Kodi muyezo wolandirira alendo ndi wotani?Re: Choyamba, solder chigoba pulagi dzenje ndi kuteteza moyo utumiki wa kudzera, chifukwa dzenje chofunika BGA udindo zambiri ang'onoang'ono, pakati pa 0,2 ndi 0.35mm.Madzi ena si ophweka kuumitsa kapena kuwumitsa nthunzi, ndipo n'kosavuta kusiya zotsalira.Ngati chigoba cha solder sichimangirira dzenje kapena pulagi ...
- A&Q ya PCB (2)
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 ...
- Zida Zosiyanasiyana za Circuit Board
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 ...
- Ceramic PCB Board
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 ...
- Kodi kupanga pcb mu panel?
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...
- Momwe mungapewere PCB board warping panthawi yopanga
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 board-high density interconnect
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 ...
- Bungwe Lozungulira Losindikizidwa |Chiyambi cha Silkscreen
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, ...
- Bungwe Lozungulira Losindikizidwa |Kubowola Kupyolera mu dzenje, dzenje lakhungu, dzenje lokwiriridwa
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" ...
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