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. 07, 2023
Filed:
Apr. 24, 2019
Applicant:
Admap Inc., Tamano, JP;
Inventor:
Zhida Wang, Tamano, JP;
Assignee:
ADMAP INC., Tamano, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/956 (2017.01); H01L 21/683 (2006.01);
U.S. Cl.
CPC ...
C01B 32/956 (2017.08); H01L 21/683 (2013.01);
Abstract
A technology for securing favorable appearance of a SiC member, the SiC member includes: a first SiC layer having a first upper surface having a concavo-convex shape and a first lower surface; and a second SiC layer having a second upper surface and a second lower surface, the second lower surface being in contact with the first upper surface and having a concavo-convex shape corresponding to that of the first upper surface. The second SiC layer has a recess concaved from the second upper surface toward the second lower surface side and a flat bottom surface, and the bottom surface of the recess is placed upward of the second lower surface.