Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Reexamination Certificate
2005-01-04
2005-01-04
Pyon, Harold (Department: 1772)
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
C428S156000, C451S552000, C051S295000, C205S087000
Reexamination Certificate
active
06838149
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.
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3M Innovative Properties Company
Chevalier Alicia
Pyon Harold
LandOfFree
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