Patents Assigned to Kanazawa Diamond Co., Ltd.
  • DIAMOND
    Publication number: 20210222325
    Abstract: The present disclosure provides a diamond formed of a single crystal diamond consisting of carbon and tantalum with unavoidable impurities, and having a tantalum content in a range of 1018 to 1021 atoms/cm3, wherein the diamond has a black appearance.
    Type: Application
    Filed: February 26, 2021
    Publication date: July 22, 2021
    Applicant: Kanazawa Diamond Co., Ltd.
    Inventors: Norio TOKUDA, Masatsugu NAGAI