Patent ID: 8182315
Filing Date: 2012-05-22
Classification: B24B

Abstract:
1. A chemical mechanical polishing pad dresser and conditioner comprising: a) a first layer of material having at least one first aperture therethrough; b) a second layer of material having at least one second aperture therethrough, said at least one first aperture being smaller than said second at least one second aperture; c) a shim located within each of said at least one second aperture; d) a disk of smaller dimension positioned in contact with each shim, each disk rotatable on its respective shim and rotatable within its respective second aperture; e) said first layer joined to said second layer such that said at least one first aperture is coaligned with said at least one second aperture and each disk is rotatively retained within its respective second aperture; and f) a double faced adhesive layer having a peelably removable layer, said adhesive layer fastened to one side of the second layer.