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:
Mar. 28, 2023
Filed:
Aug. 02, 2018
Sumitomo Electric Industries, Ltd., Osaka, JP;
Hitoshi Sumiya, Osaka, JP;
Kensei Hamaki, Osaka, JP;
Minori Teramoto, Osaka, JP;
Katsuko Yamamoto, Osaka, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
Provided is a synthetic single crystal diamond containing nitrogen atoms at a concentration of more than 600 ppm and 1500 ppm or less. The Raman shift λ' (cm) of a peak in a primary Raman scattering spectrum of the synthetic single crystal diamond and the Raman shift λ (cm) of a peak in a primary Raman scattering spectrum of a synthetic type IIa single crystal diamond containing nitrogen atoms at a content of 1 ppm or less satisfy the following expression (1):λ′−λ≥−0.10  (1).