Soft printing circuit board, multi-layer soft printing circuit board and portable telephone terminal

Soft printing circuit board, multi-layer soft printing circuit board and portable telephone terminal

  • CN 1,805,652 B
  • Filed: 01/11/2006
  • Issued: 04/25/2012
  • Est. Priority Date: 01/11/2005
  • Status: Active Grant
First Claim
Patent Images

1. flexible printed wiring board;

  • It is characterized in that;

    comprise electric insulation layer and conductor layer at least, wherein, 10 mean roughness on the surface that is positioned at conductor layer or bond layer opposition side of said electric insulation layer are more than or equal to 1.5 μ

    m and less than 2.0 μ

    m;

    And;

    Contact angle is more than or equal to 60 ° and

    less than 120 °

    , and perhaps, 10 mean roughness are more than or equal to 2.0 μ

    m and less than 4.0 μ

    m.

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