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:
Sep. 01, 2020
Filed:
Jun. 01, 2015
Applicant:
Tpk Holding Co., Ltd., Grand Cayman, KY;
Inventors:
Assignee:
TPK Holding Co., Ltd., Grand Cayman, KY;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 21/00 (2006.01); H01H 9/02 (2006.01); H01H 11/00 (2006.01); G06F 3/044 (2006.01); C03C 15/02 (2006.01); C03C 15/00 (2006.01); C03C 19/00 (2006.01); G06F 3/047 (2006.01); G09G 5/00 (2006.01);
U.S. Cl.
CPC ...
C03C 21/002 (2013.01); C03C 15/00 (2013.01); C03C 15/02 (2013.01); C03C 19/00 (2013.01); G06F 3/044 (2013.01); G06F 3/047 (2013.01); G09G 5/003 (2013.01); H01H 9/02 (2013.01); H01H 11/00 (2013.01); C03C 2204/08 (2013.01); G06F 2203/04103 (2013.01); G09G 2300/0426 (2013.01); Y10T 428/239 (2015.01);
Abstract
A rigid substrate, a touch panel including the rigid substrate and a processing method of the rigid substrate are provided. The rigid substrate includes an ion strengthened surface layer completely covering the entire outer surface thereof. The rigid substrate has an etched wall, wherein an average depth of the ion strengthened surface layer on the etched wall is substantially equivalent to an average depth of the ion strengthened surface layer outside of the etched wall.