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.:

US 8277290 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 02, 2012

Filed:

Aug. 31, 2009
Applicants:

Allen Chiu, Tao-Yuan Hsien, TW;

Yu-lung Jeng, Tao-Yuan Hsien, TW;

Inventors:

Allen Chiu, Tao-Yuan Hsien, TW;

Yu-Lung Jeng, Tao-Yuan Hsien, TW;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B24B 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A polishing pad used in semiconductor polishing process is provided in the present invention and a pressure sensitive adhesive is used to couple the polishing pad. The polishing pad includes a substrate, and the substrate includes a polishing surface and a reverse surface corresponding to the polishing surface. The polishing pad is characterized by: a pressure sensitive adhesive formed on the reverse surface of the substrate and used to couple with a bottom layer, and the horizontal adhesion of the pressure sensitive adhesive is higher than the vertical adhesion of the pressure sensitive adhesive.


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Chiu, Allen. (2012). Polishing pad and polishing device (U.S. Patent No. 8277290). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8277290

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