Patent ID: 6544341
Filing Date: 2003-04-08
Classification: C23C,Y10S

Abstract:
A system for fabricating a device on a substrate with a process gas, the system comprising:a housing having a process gas feed opening for accepting the process gas and having an evacuation opening for evacuating the process gas from the housing; a reaction chamber coupled to the housing, the reaction chamber having an exhaust port for evacuating process gas from the reaction chamber; an adjustable substrate support chuck disposed in the reaction chamber for supporting the substrate; wherein the adjustable chuck comprises: a substrate support region to support the substrate, the support region having a support surface and a circumference; and an indented region coupled to the support region, the indented region having a circumference less than the circumference of the support region; and wherein the adjustable substrate support chuck is operable to align to indented region with the exhaust port; and a gas dispersion plate disposed between the housing and the substrate support chuck, the gas dispersion plate having plural openings to disperse process gas from the housing the substrate support surface and a circumference; and an indented region coupled to the support region, the indented region having a circumference less than the circumference of the support region.