The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 16, 2011

Filed:

Jul. 19, 2010
Applicants:

Kohji Narui, Yamaguchi, JP;

Nobuyuki Yamamoto, Yamaguchi, JP;

Toshihiko Anno, Yamaguchi, JP;

Inventors:

Kohji Narui, Yamaguchi, JP;

Nobuyuki Yamamoto, Yamaguchi, JP;

Toshihiko Anno, Yamaguchi, JP;

Assignee:

Ube Industries, Ltd., Ube-shi, Yamaguchi, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A copper-clad laminate is composed of a copper foil and an aromatic polyimide film placed thereon, in which the copper foil is bonded to the polyimide film at a bonding strength of ≧500 N/m and the polyimide film shows a light transmittance of ≧40% for a light of wavelength of 600 nm and a haze of ≧30% [the light transmittance and haze are values measured after the copper foil is removed by etching].


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