Patents Assigned to D.N.A. METAL COMPANY, LIMITED
  • Publication number: 20210156033
    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.
    Type: Application
    Filed: September 11, 2018
    Publication date: May 27, 2021
    Applicants: Sumitomo Electric Industries, Ltd., MITSUBISHI MATERIALS CORPORATION, D.N.A. METAL COMPANY, LIMITED
    Inventors: Yoshiki NISHIBAYASHI, Shigeki MAEDA, Kazutaka FUJIWARA