The present invention provides a method of roughing a metallic surface. In one embodiment, the method includes the steps of positioning a pressurized grit source a predetermined distance from and at an angle substantially perpendicular to the metallic surface of the object that is to be roughened, projecting...http://www.google.com.au/patents/US5951372?utm_source=gb-gplus-sharePatent US5951372 - Method of roughing a metallic surface of a semiconductor deposition tool
