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:
Jul. 16, 2019
Filed:
Mar. 28, 2016
Applicant:
Kyocera Corporation, Kyoto-shi, Kyoto, JP;
Inventors:
Assignee:
KYOCERA Corporation, Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
C30B 33/02 (2006.01); C30B 29/20 (2006.01); C30B 15/14 (2006.01); C30B 19/12 (2006.01); C30B 29/40 (2006.01);
U.S. Cl.
CPC ...
C30B 33/02 (2013.01); C30B 15/14 (2013.01); C30B 29/20 (2013.01); C30B 19/12 (2013.01); C30B 29/406 (2013.01);
Abstract
A sapphire member containing sapphire as a main constituent has a main surface parallel to a c-plane of a sapphire crystal. The sapphire member includes a plurality of terrace structure layers in at least a part of the main surface. Each terrace structure layer includes a terrace surface parallel to the c-plane and a side surface in contact with an edge line of the terrace surface. When viewed in a plan in a direction perpendicular to the main surface, the part of the main surface includes a plurality of the edge lines that are curved and are not parallel to one another.