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:
Nov. 30, 2004
Filed:
Mar. 31, 2003
Applicant:
Inventors:
Katrin Ebner, Dresden, DE;
Walter Glashauser, Oberhaching, DE;
Assignee:
Infineon Technologies SC300 GmbH & Co. KG, Dresden, 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.