Patent ID: 9254548
Filing Date: 2016-02-09
CPC Classification: B24B,B24D

Claim Text:
1. A method for making a conditioner disk used in a chemical mechanical polishing (CMP) process, comprising: applying a first layer of at least one binder over a substrate; disposing a plurality of diamond particles on the first layer of the at least one first binder at a plurality of locations; fixing the plurality of diamond particles to the substrate by heating the substrate to a raised temperature and then cooling the substrate; and coating a second layer of at least one second binder over the substrate, wherein at least one top portion of each of the plurality of diamond particles protrudes out of the second layer of at least one second binder and is exposed, and the plurality of diamond particles disposed over the substrate are configured to provide a working diamond ratio higher than 50% when the conditioner disk contacts a flat surface.