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:
Jul. 24, 2001
Filed:
Mar. 30, 2000
Applicant:
Inventor:
Clinton O. Fruitman, Chandler, AZ (US);
Assignee:
SpeedFam-IPEC Corporation, Chandler, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 5/00 ; B24B 4/702 ;
U.S. Cl.
CPC ...
B24B 5/00 ; B24B 4/702 ;
Abstract
A bladder carrier assembly having a retaining ring permanently bonded to a bladder to form a one-piece disposable bladder assembly. The retaining ring includes a rigid ring member, preferably steel, and a layer of wear resistant material, such as ultra high molecular weight polyethylene or polyether ethyl ketone, which is molded around predetermined portions of the rigid ring member. The bladder is also molded to the retaining ring and an optional template may be molded to a surface of the bladder which lies adjacent a wafer to be polished.