Patent ID: 8920214

Claim:
A method of dressing a CMP pad, comprising: applying a deglazing dresser to a working surface of a CMP pad; deglazing the working surface of the CMP pad with the deglazing dresser; applying an asperity-forming dresser to the working surface of the CMP pad; and forming asperities in the working surface of the CMP pad with the asperity-forming dresser with a plurality of superabrasive particles coupled to the asperity-forming dresser; and wherein the superabrasive particles are arranged in a monolayer of superabrasive particles with a difference in protrusion distance between the highest protruding particle tip and the next highest protruding particle tip of the monolayer of superabrasive particles is less than or equal to about 20 microns and the difference in protrusion distance between the highest 1% of the protruding particle tips of the monolayer of superabrasive particles are within about 80 microns or less.