Electrolytic copper foil and method for producing electrolytic copper foil

Electrolytic copper foil and method for producing electrolytic copper foil

  • CN 103,429,793 A
  • Filed: 03/28/2012
  • Published: 12/04/2013
  • Est. Priority Date: 03/30/2011
  • Status: Active Application
First Claim
Patent Images

1. electrolytic copper foil, wherein, sulphur concentration in Copper Foil is below the above 50 quality ppm of 10 quality ppm, the STEM image obtained with respect to 1,000,000 times of observation post that utilize scanning transmission electron microscope to carry out forms the lattice at 10nm interval, when the intersection point of each lattice of usining is measured sulphur concentration as measuring point, exist and the sulphur concentration in Copper Foil is compared, sulphur concentration increases measuring point.

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