Patent ID: 8845395
Filing Date: 2014-09-30
Classification: B24B

Abstract:
1. An injector device for injecting slurry onto a polishing pad of a chemical mechanical polishing (CMP) tool, the injector device comprising: an injector bottom, wherein the injector bottom comprises: wherein a CMP slurry introduced through the one or more than one top surface opening travels through the injector bottom and exits the injector device through the one or more than one bottom surface opening onto the polishing pad top surface; wherein the bottom surface of the injector bottom further comprises a slit extending along the length of the injector bottom between the trailing sidewall and the trailing edge; and wherein the top surface of the injector bottom further comprises a plurality of slots formed in the top surface, wherein the slots run from the leading edge to the trailing edge, and wherein a depth of each of the plurality of slots extends from the top surface of the injector bottom into the injector bottom, and wherein the depth of each of the plurality of slots does not extend all the way to the bottom surface.