ROLLED COPPER FOIL - FURUKAWA ELECTRIC CO LTD

Title:

ROLLED COPPER FOIL

Document Type and Number:

WIPO Patent Application WO/2013/069800

Kind Code:

A1

Abstract:

A rolled copper foil composed of crystal particles of copper or a copper alloy, wherein the average particle size of crystal particles constituting the outermost surface is 0.2 to 6 µm, the ratio of the average particle size of the crystal particles constituting the outermost surface to the thickness of the rolled copper foil is 1 to 6%, and, when a cross section perpendicular to the longitudinal direction of the rolled copper foil is analyzed by electron backscatter diffraction (EBSD), the distortion rate within the particle obtained through general formula (1) (distortion rate within particle (%)=(A)/(B)×100, where (A) represents the area of a region identified through image analysis with an orientation difference of 1 to 15 degrees, and (B) represents the area of a region identified through image analysis with an orientation difference of 0 to 15 degrees) is 0.5 to 10%.

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Inventors:

YOSHIDA KAZUO (JP)
AIMIYA NAOKO (JP)
ASAMI KAZUHIKO (JP)
NISHIDA RYUJI (JP)

Application Number:

PCT/JP2012/079300

Publication Date:

May 16, 2013

Filing Date:

November 12, 2012

Export Citation:

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Assignee:

FURUKAWA ELECTRIC CO LTD (JP)
FURUKAWA AUTOMOTIVE SYS INC (JP)

International Classes:

C22F1/08; B21B1/40; B21B3/00; H05K1/09; C22F1/00

Domestic Patent References:

WO2010001812A1

2010-01-07

Foreign References:

JP2005211948A	2005-08-11
JP2009048819A	2009-03-05
JP2010150578A	2010-07-08
JP2001262296A	2001-09-26
JP2011248097A	2011-12-08

Other References: