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.

Date of Patent:
Feb. 27, 2018

Filed:

Nov. 03, 2015
Applicant:

Shin-etsu Chemical Co., Ltd., Tokyo, JP;

Inventors:

Daiyu Okafuji, Joetsu, JP;

Hiroyuki Yamazaki, Joetsu, JP;

Masaki Takeuchi, Joetsu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 37/04 (2012.01); B24B 5/50 (2006.01); B24B 9/08 (2006.01); G03F 1/60 (2012.01); B24B 37/02 (2012.01); B24B 1/00 (2006.01); B24B 7/22 (2006.01); B24B 9/06 (2006.01);
U.S. Cl.
CPC ...
B24B 37/042 (2013.01); B24B 1/00 (2013.01); B24B 5/50 (2013.01); B24B 7/228 (2013.01); B24B 9/065 (2013.01); B24B 9/08 (2013.01); B24B 37/02 (2013.01); B24B 37/04 (2013.01); G03F 1/60 (2013.01); Y10T 428/24355 (2015.01); Y10T 428/24479 (2015.01);
Abstract

An electronic grade glass substrate is provided with a recess, channel or step in one surface, and a first chamfer between the side surface of the recess, channel or step and the one surface. The side and bottom surfaces of the recess, channel or step are mirror finished, and the first chamfer is mirror finished.


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