6 Layer ENIG FR4 Heavy Copper PCB
Mng'alu vuto la mkati wandiweyani brazing pad
Kufunika kwa PCB yamkuwa yolemera kukuchulukirachulukira, ndipo mapadi amkati akucheperachepera.Vuto la pad cracking nthawi zambiri limapezeka pobowola PCB (makamaka mabowo akuluakulu pamwamba pa 2.5mm).
Pali malo ochepa oti muwongolere mbali yamavuto amtunduwu.Njira yosinthira yachikhalidwe ndikuwonjezera pad, kukulitsa mphamvu yakupukuta kwazinthu, ndikuchepetsa kukumba, ndi zina zambiri.
Kutengera kusanthula kwa PCB processing kamangidwe ndi luso, ndondomeko kusintha aikidwa patsogolo: mkuwa kudula mankhwala (pamene etching wamkati wosanjikiza wa solder PAD, mabwalo concentric ang'onoang'ono kuposa kabowo anazikika) ikuchitika kuchepetsa kukoka mphamvu. wa mkuwa pobowola.
Kubowola bowo lomwe ndi laling'ono 1.0mm kuposa pobowo lomwe limafunikira, kenako ndikubowola bwino (kubowola kwachiwiri) kuti athetse vuto la mng'alu wa mkati mwa makulidwe a brazing pad.
Ntchito zolemera zamkuwa za PCB
Heavy mkuwa PCB ntchito zosiyanasiyana zolinga, mwachitsanzo mu thiransifoma lathyathyathya, kutentha kufala, mkulu mphamvu kubalalitsidwa, converters ulamuliro, etc. Mu PC, magalimoto, asilikali ndi makina kulamulira.Ma PCB ambiri amkuwa amagwiritsidwanso ntchito:
Magetsi ndi chosinthira chowongolera
Zida zowotcherera kapena zida
Makampani opanga magalimoto
Opanga ma solar panel, etc