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:
Apr. 27, 2021
Filed:
Jun. 07, 2017
Kaneka Corporation, Osaka, JP;
KANEKA CORPORATION, Osaka, JP;
Abstract
In order to attain an object to achieve a graphite sheet processed product which is made of high quality graphite and which has a smooth cut surface even after being subjected to a cut process, a graphite sheet processed product of the present invention has a thickness of not less than 10 nm and not more than 20 μm, has a cross-sectional area 90% or more of which is occupied by graphite layers each extending continuously or discontinuously in a horizontal direction, the cross-sectional area being observed with use of a scanning electron microscope (SEM), includes therein graphite crystal having an average crystal grain size of not less than 0.35 μm and not more than 25 μm, and has, on a cut surface thereof, a burr having a size that is not more than 15% of a line width thereof, the line width being less than 400 μm.