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:
May. 19, 2026
Filed:
Aug. 03, 2023
Applicant:
Uti Inc., Yesan-gun, KR;
Inventors:
Jae Young Hwang, Yesan-gun, KR;
Hak Chul Kim, Yesan-gun, KR;
Hyunho Kim, Yesan-gun, KR;
Yong Bae Na, Yesan-gun, KR;
Assignee:
UTI INC, Yesan-gun, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B 33/02 (2006.01); B23K 26/0622 (2014.01); B23K 26/364 (2014.01); B23K 26/402 (2014.01); C03B 33/04 (2006.01); C03C 15/00 (2006.01); B23K 103/00 (2006.01);
U.S. Cl.
CPC ...
C03B 33/0222 (2013.01); B23K 26/0624 (2015.10); B23K 26/364 (2015.10); B23K 26/402 (2013.01); C03B 33/04 (2013.01); C03C 15/00 (2013.01); B23K 2103/52 (2018.08);
Abstract
Proposed are a method of manufacturing a sapphire cover window, which includes: preparing a sapphire wafer; forming a cell edge processing portion on the sapphire wafer with a laser beam; forming an etched portion on the sapphire wafer by selectively performing wet etching on the cell edge processing portion; and separating a cell from the sapphire wafer by compressing the sapphire wafer on which the etched portion are formed, and a sapphire cover window manufactured thereby.