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. 28, 2020
Filed:
May. 22, 2019
Zeon Corporation, Chiyoda-ku, Tokyo, JP;
Toyokazu Ito, Tokyo, JP;
Hiromi Kitagawa, Tokyo, JP;
ZEON CORPORATION, Chiyoda-ku, Tokyo, JP;
Abstract
Disclosed is a heat conductive sheet which comprises a flame retardant resin and a particulate carbon material, wherein the particulate carbon material has a particle size distribution in which a frequency of particles having a particle diameter of 30 μm or more and 150 μm or less is 20% or more, an amount of the particulate carbon material in the heat conductive sheet is 30% by mass or more, and a thickness of the heat conductive sheet is 50 μm or more and 120 μm or less. Preferably, the flame retardant resin is a combination of a flame retardant resin that is solid at ordinary temperature and ordinary pressure and a flame retardant resin that is liquid at ordinary temperature and ordinary pressure.