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:
Mar. 26, 2002
Filed:
Sep. 28, 1999
Applicant:
Inventors:
Arun Vishwanathan, Wilmington, DE (US);
David L. Shidner, Newark, DE (US);
Assignee:
Rodel Holdings Inc., Williaminton, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B 1/00 ;
U.S. Cl.
CPC ...
B24B 1/00 ;
Abstract
A polishing pad made of polymeric material has an improved surface layer which is provided by treating a surface of the polishing pad with a chemical solvent. Solubility parameter is used to select a suitable chemical solvent. The treated polishing pad can be conditioned in substantially less time than an untreated pad.