Copper foil with carrier, copper-clad laminate and printed circuit board

Copper foil with carrier, copper-clad laminate and printed circuit board

  • CN 106,332,458 A
  • Filed: 02/24/2016
  • Published: 01/11/2017
  • Est. Priority Date: 07/01/2015
  • Status: Active Grant
First Claim
Patent Images

1. the Copper Foil of band carrier, it is the Copper Foil of the band carrier being disposed with carrier foils, peel ply and ultrathin copper foil, wherein,Described peel ply comprises 5-carboxyl benzotriazole (5CBTA) and/or 4-carboxyl benzotriazole (4CBTA), described peel plyThe adhesion amount of middle 5-carboxyl benzotriazole is 3.0 relative to ratio, i.e. the 5CBTA/4CBTA ratio of the adhesion amount of 4-carboxyl benzotriazoleAbove.

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