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:
Oct. 07, 2008

Filed:

Dec. 15, 2005
Applicants:

Ching-wen Teng, Taoyuan County, TW;

Chin-kun Lin, Kaohsiung, TW;

Boon Tiong Neo, Singapore, SG;

Inventors:

Ching-Wen Teng, Taoyuan County, TW;

Chin-Kun Lin, Kaohsiung, TW;

Boon Tiong Neo, Singapore, SG;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/302 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention is directed to a method for controlling a polishing process. The method comprises steps of providing a first wafer, wherein a thin film is located over the first wafer. A film average thickness distribution is obtained by measuring a plurality of thickness values of the thin film on a plurality regions over the wafer respectively. A removal rate recipe is determined according to the film average thickness distribution. A polishing process is performed according to the removal rate recipe.


Find Patent Forward Citations

Teng, Ching-Wen. (2008). Method for controlling polishing process (U.S. Patent No. 7432205). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7432205

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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