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:
Jan. 04, 2005
Filed:
Dec. 13, 2001
Paul S. Lugg, Woodbury, MN (US);
Paul S. Lugg, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
An abrasive article is described. The article is suitable for the deposition and mechanical polishing of a conductive material, and comprises: a polishing layer having a textured surface comprising a binder and a second surface opposite the textured surface, the polishing layer further comprising a first channel extending therethrough; a backing having a first backing surface and a second backing surface, the first backing surface associated with the second surface of the polishing layer, the backing comprising a second channel coextensive with the first channel and extending through the backing from the first backing surface to the second backing surface; the first channel and the second channel dimensioned with respect to one another so that the textured surface of the polishing layer is outside of a line of sight.