PCB ọla kọpa foil
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Ala ala na-acha uhie uhie
Dị ka ntụgharị ọla kọpa na-mesoo, ngwaahịa a nwere arụmọrụ ka mma. Ọ nwere ike belata usoro mmepụta ahụ, nweta ọsọ dị elu na micro-etto-etching, ma melite nguzozi nke PCBS.
Dị ka ntụgharị ọla kọpa na-mesoo, ngwaahịa a nwere arụmọrụ ka mma. Ọ nwere ike belata usoro mmepụta ahụ, nweta ọsọ dị elu na micro-etto-etching, ma melite nguzozi nke PCBS.