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:
Feb. 09, 2016
Filed:
Mar. 31, 2010
Applicants:
Yin Yuan, Sunnyvale, CA (US);
Hung Chih Chen, Sunnyvale, CA (US);
Shou-sung Chang, Stanford, CA (US);
Inventors:
Yin Yuan, Sunnyvale, CA (US);
Hung Chih Chen, Sunnyvale, CA (US);
Shou-Sung Chang, Stanford, CA (US);
Assignee:
APPLIED MATERIALS, INC., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 53/017 (2012.01); B24B 37/005 (2012.01); B24B 37/10 (2012.01); B24B 37/34 (2012.01);
U.S. Cl.
CPC ...
B24B 53/017 (2013.01); B24B 37/005 (2013.01); B24B 37/10 (2013.01);
Abstract
A method and apparatus for facilitating equalized conditioning of a polishing surface of a polishing pad is described. The apparatus includes an extension device coupled to a base adjacent a peripheral edge of a polishing pad that is adapted to support a conditioning device, the extension device includes a body that is movable relative to the polishing pad, and a sacrificial pad comprising a polishing material coupled to a mounting surface of the body.