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. 22, 2008
Filed:
Jul. 05, 2007
Toyokazu Ozaki, Nara, JP;
Akira Taomoto, Kyotanabe, JP;
Mitsuru Hashimoto, Nara, JP;
Masahiro Deguchi, Hirakata, JP;
Motoshi Shibata, Nara, JP;
Toyokazu Ozaki, Nara, JP;
Akira Taomoto, Kyotanabe, JP;
Mitsuru Hashimoto, Nara, JP;
Masahiro Deguchi, Hirakata, JP;
Motoshi Shibata, Nara, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
It is an object of the present invention to provide a high thermal conductive element that has improved thermal conductivity in the layer direction while retaining the high thermal conductivity characteristics in the planar direction possessed by graphite. The present invention is a high thermal conductive element in which carbon particles are dispersed in a graphite-based matrix, wherein (1) the c axis of the graphene layers constituting the graphite are substantially parallel, (2) the thermal conductivity κ∥ in a direction perpendicular to the c axis is at least 400 W/m·k and no more than 1000 W/m·k, and (3) the thermal conductivity κ⊥ in a direction parallel to the c axis is at least 10 W/m·k and no more than 100 W/m·k.