Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Akitoshi Suzuki0
René Lanners0
Raymond Gales0
Michel Streel0
Date of Patent
December 26, 2006
Patent Application Number
10204300
Date Filed
January 18, 2001
Patent Primary Examiner
Patent abstract
A composite copper foil (10) comprises a carrier foil (12) formed by electrodeposition onto a cathode, the carrier foil (12) having a cathode side formed in contact with the cathode and an opposite electrolyte side. A very thin release layer (14) is on the electrolyte side of said carrier foil (12). A thin functional foil (16) formed by deposition of copper has a front side in contact with the release layer (14) and an opposite back side. The electrolyte side of the carrier foil (12) has a surface roughness Rz less than or equal to 3.5 μm. There is also presented a method for manufacturing such a composite copper foil.
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