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:
Dec. 13, 2022
Filed:
Sep. 28, 2018
Applicant:
Iv Technologies Co., Ltd., Taichung, TW;
Inventor:
Yu-Piao Wang, Hsinchu County, TW;
Assignee:
IV Technologies CO., Ltd., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24D 3/00 (2006.01); B24D 11/04 (2006.01); B24D 11/00 (2006.01); B24D 18/00 (2006.01); C09K 3/14 (2006.01);
U.S. Cl.
CPC ...
B24D 11/04 (2013.01); B24D 2203/00 (2013.01);
Abstract
A polishing pad is provided. The polishing pad, suitable for polishing an object, includes a polishing layer and at least one groove. The polishing layer has a central region and a peripheral region surrounding the central region. The at least one groove is disposed in the polishing layer, wherein the at least one groove has two ends both located in the peripheral region, wherein the two ends include an open end and a closed end.