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:
Jun. 30, 2015
Filed:
Nov. 29, 2011
William C. Allison, Beaverton, OR (US);
Diane Scott, Portland, OR (US);
Paul Andre Lefevre, Portland, OR (US);
James P. Lacasse, Portland, OR (US);
Alexander William Simpson, Hillsboro, OR (US);
William C. Allison, Beaverton, OR (US);
Diane Scott, Portland, OR (US);
Paul Andre Lefevre, Portland, OR (US);
James P. LaCasse, Portland, OR (US);
Alexander William Simpson, Hillsboro, OR (US);
NexPlanar Corporation, Hillsboro, OR (US);
Abstract
Polishing pads with foundation layers and polishing surface layers are described. In an example, a polishing pad for polishing a substrate includes a foundation layer. A polishing surface layer is bonded to the foundation layer. Methods of fabricating polishing pads with a polishing surface layer bonded to a foundation layer are also described.