Patent ID: 6428847
Filing Date: 2002-08-06
Classification: C23C,C30B

Abstract:
A vortex based CVD reactor comprising:a. a reactor base; b. a reactor sidewall located above and secured to the reactor base; c. a reactor top located above, and secured and fitted to the reactor sidewall; d. injector tubes tangentially oriented with respect to the reactor sidewall and secured to the reactor top; e. a reactor interior comprised of inner surfaces of the reactor base, reactor side walls and a reactor top, said reactor interior having a decreasing diameter from the reactor top to the reactor base; f. a heated densified carbon susceptor located in contact with a resistance heated chuck; g. at least one lift yoke and ceramic wafer substrate support pin; h. a robotic access port located in the reactor base, a positionable shutter aligned with the robotic access port; and, i. an exhaust port located at the upper region of the reactor top.