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:
Sep. 10, 2024
Filed:
Sep. 11, 2018
Sumitomo Electric Industries, Ltd., Osaka, JP;
Mitsubishi Materials Corporation, Tokyo, JP;
D.n.a. Metal Company, Limited, Ibaraki, JP;
Sumitomo Electric industries, Ltd., Osaka, JP;
MITSUBISHI MATERIALS CORPORATION, Tokyo, JP;
D.N.A. METAL COMPANY, LIMITED, Osaka, JP;
Abstract
Provided is a method for manufacturing a hard carbon-based coating. The method includes: a step A of preparing a film-forming apparatus including a power supply device and a discharge electrode containing a carbon material, and a substrate having a surface on which a coating is to be formed; and a step B of causing the film-forming apparatus to repeatedly generate a discharge between the discharge electrode and the substrate, to form a hard carbon-based coating on the surface.