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 6824456 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 30, 2004

Filed:

Mar. 31, 2003
Applicant:
Inventors:

Katrin Ebner, Dresden, DE;

Walter Glashauser, Oberhaching, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 7/00 ;
U.S. Cl.
CPC ...
B24B 7/00 ;
Abstract

A polish head for Chemical Mechanical Polishing includes a backing film of silicone on a rigid support element, preferably, of amorphous ceramic. The silicone backing film is fabricated by molding, thereby enabling an appropriate cross-sectional shape for specific polishing needs. The head provides a uniform polishing of a semiconductor wafer.


Find Patent Forward Citations

Ebner, Katrin. (2004). Configuration for polishing disk-shaped objects (U.S. Patent No. 6824456). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6824456

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

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