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:
Feb. 03, 2009
Filed:
Feb. 08, 2005
Applicants:
David Wilkinson, Aliso Viejo, CA (US);
Colleen E. Hamilton, Orange, CA (US);
Bryan David Hirschorn, Leominster, MA (US);
Michael John Mangaudis, Worcester, MA (US);
Inventors:
David Wilkinson, Aliso Viejo, CA (US);
Colleen E. Hamilton, Orange, CA (US);
Bryan David Hirschorn, Leominster, MA (US);
Michael John Mangaudis, Worcester, MA (US);
Assignee:
Saint-Gobain Performance Plastics Corporation, Wayne, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
B24B 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The disclosure is directed to a chemical mechanical polishing retaining ring including a polymer matrix and a filler including polyimide. The chemical mechanical polishing retaining ring has a wear rate performance not greater than about 75 microns/hour.