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.
Patent No.:
Date of Patent:
Jul. 21, 2009
Filed:
Jun. 02, 2005
Eiki Tsushima, Fuji, JP;
Kazuyuki Murakami, Fuji, JP;
Susumu Katagiri, Chiyoda-ku, JP;
Mitsubishi Corporation, Tokyo, JP;
FJ Composite Materials Co., Ltd., Fuji-shi, JP;
Abstract
To provide a fine carbon fiber/metal composite material having high mechanical strength, a high thermal conductivity and a low coefficient of thermal expansion and suitable as a substrate for an electronic device. A fine carbon fiber/metal composite material, which is prepared by pressure impregnating a molded product containing fine carbon fibers having a fiber diameter of from 0.5 to 500 nm and a fiber length of at most 1,000 μm, having a multilayer structure wherein cylindrical carbon layers overlap one another, and having a hollow-structured central axis, with aluminum, magnesium, copper or an alloy of such a metal, by molten metal forging.