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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by ljysamina0929

  1. L

    FW: The classification of PCB

    Some friends were asking me how to clarify all kinds of PCB, here I displayed the classification for your ref. One kind of classification was made through base materials, including as below, 1.Organic Materials:phenolic resin,epoxide resin,Polyimide,BT/Epoxy etc. The usual materials were...
  2. L

    FW: PCB manufacture procedure

    Does anyone know the manufacture procedure of HDI board? Sincerely Samina
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