Patent ID: 6368198
Filing Date: 2002-04-09
Classification: B24B,B24D

Abstract:
A method of making a chemical mechanical polishing (CMP) pad dresser comprising the steps of:a) providing a substrate member; b) placing a template having a predetermined pattern of apertures formed therein on a sheet of braze alloy; c) filling the apertures of the template with abrasive particles; d) removing any abrasive particles which are not in a template aperture; e) pressing the abrasive particles contained in the apertures into the sheet of braze alloy, such that said abrasive particles become partially embedded in the braze alloy; f) removing the template, such that the abrasive particles remain in place on the sheet of braze alloy; and g) attaching the sheet of braze alloy containing the abrasive particles to the substrate.