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Patent Searching and Data


Title:
SURFACE-TREATED COPPER FOIL
Document Type and Number:
Japanese Patent JP2010018855
Kind Code:
A
Abstract:

To provide a surface-treated copper foil which does not contain chrome in a surface-treated layer, and is excellent in peel strength of a circuit and in deterioration rate of the chemical resistance of the peel strength after having been formed into a printed circuit board.

The surface-treated copper foil has a surface-treated layer provided on a surface to be laminated of the copper foil which is used for producing a copper-clad laminate by laminating the copper foil with an insulative resin substrate. The surface-treated copper foil is characteristically provided with the surface-treated layer obtained by depositing a high-melting point metal component having a melting point of 1,400C by a dry film deposition method on the surface to be laminated of a cleanup-treated copper foil, and further depositing a carbon component.


Inventors:
Nagatani, Seiji
Watanabe, Hiroshi
Izumida, Kazufumi
Application Number:
JP2008000181266
Publication Date:
January 28, 2010
Filing Date:
July 11, 2008
Export Citation:
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Assignee:
MITSUI MINING SMELTING CO LTD
International Classes:
C23C14/00; H05K1/09