Abrasive article for the deposition and polishing of a conductive material
Assignee3M Innovative Properties Company
InventorPaul S. Lugg
Life of this patent
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Assignee3M Innovative Properties Company
InventorPaul S. Lugg
Estimating the term…
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.
An abrasive article suitable for the deposition and mechanical polishing of a conductive material, the article comprising:
The abrasive article of claim 8 wherein the each first channel has a variable width along the length thereof.
19 The abrasive article of claim 16 wherein the first and third backing layers comprise polycarbonate and the second backing layer comprises a foamed polymeric material.
Dependencies are inferred from the claim text.