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. 14, 2006
Filed:
Dec. 21, 2005
Applicants:
Ming-kuei Tseng, San Jose, CA (US);
Ralph M. Wadensweiler, Sunnyvale, CA (US);
Inventors:
Ming-Kuei Tseng, San Jose, CA (US);
Ralph M. Wadensweiler, Sunnyvale, CA (US);
Assignee:
Applied Materials, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A retaining ring having a bottom portion that is removable from the ring's upper portion is described. The upper and lower portions of the retaining ring include one or more magnetic bodies and/or one or more bodies formed of a material that is attracted to magnets.