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:
Mar. 18, 2008

Filed:

Jun. 02, 2006
Applicants:

Yaojian Leng, Plano, TX (US);

Nilesh Shantaram Doke, Allen, TX (US);

Stanley Monroe Smith, Allen, TX (US);

Inventors:

Yaojian Leng, Plano, TX (US);

Nilesh Shantaram Doke, Allen, TX (US);

Stanley Monroe Smith, Allen, TX (US);

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

The present invention relates to a method for performing chemical mechanical polishing. A high down-force step is performed. A low down-force step is performed. At least one of the down-force steps is modified, based on if one of the down-force steps exceeds an acceptable tolerance associated therewith. Other systems and methods are also disclosed.


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