Excellent copper foil, its manufacturing method and printed wiring board or negative electrode battery material using the electrolytic copper foil with resin adhesiveness

Excellent copper foil, its manufacturing method and printed wiring board or negative electrode battery material using the electrolytic copper foil with resin adhesiveness

  • CN 103,857,833 B
  • Filed: 09/18/2012
  • Issued: 09/07/2018
  • Est. Priority Date: 09/30/2011
  • Status: Active Grant
First Claim
Patent Images

1. a kind of electrolytic copper foil, the electrolytic copper foil is the electrolysis that roughening particle is formed on the roughening face (faces M) of electrolytic copper foilCopper foil, which is characterized in that the mean size of the roughening particle is 0.1~1.0 μ

  • m, 1~2/μ

    of roughening particle number average out tom2, the surface roughness Rz in the roughening face (faces M) of electrolytic copper foil is 3.0 μ

    m hereinafter, the mean size is from the roughening particleThe roughening face arbitrary 2 points of vertical sections observed on particle size and arbitrary 2 points of horizontal planes observed on grainThe average value of sub- size, the particle size are after carrying out liner fraction with the roughening particle that 10,000 times of image viewings of SEM arriveThe result of metering.

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