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. 06, 2021
Filed:
Oct. 05, 2016
Applicant:
Sumco Corporation, Tokyo, JP;
Inventor:
Yoshinobu Nishimura, Tokyo, JP;
Assignee:
SUMCO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 37/08 (2012.01); B24B 37/28 (2012.01); B24B 37/32 (2012.01); B24B 7/17 (2006.01); B24B 7/22 (2006.01); B24B 37/04 (2012.01); B24B 37/34 (2012.01);
U.S. Cl.
CPC ...
B24B 37/32 (2013.01); B24B 7/17 (2013.01); B24B 7/228 (2013.01); B24B 37/042 (2013.01); B24B 37/28 (2013.01); B24B 37/34 (2013.01); B24B 37/08 (2013.01);
Abstract
A double-head grinding machine includes a disc-shaped carrier ring having a support hole for supporting a silicon wafer, a rotation mechanism rotating the carrier ring around a center of the carrier ring, and a grinding wheel including a grinding stone for grinding the silicon wafer. The support hole is circular and has a center eccentric to the center of the carrier ring.
Nishimura, Yoshinobu. (2021). Carrier ring, grinding device, and grinding method (U.S. Patent No. 11052506). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11052506
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile