Patent 9457520 was granted and assigned to Applied Materials on October, 2016 by the United States Patent and Trademark Office.
A method of fabricating a polishing layer of a polishing pad includes successively depositing a plurality of layers with a 3D printer, each layer of the plurality of polishing layers deposited by ejecting a pad material precursor from a nozzle and solidifying the pad material precursor to form a solidified pad material.