Patent ID: 6198075
Filing Date: 2001-03-06
Classification: C30B,H01L

Abstract:
A rapid heating and cooling oven comprising:a first canister adapted for holding one or more items to be heated to a temperature of approximately 450.degree. C., the first canister having a first inner surface and a first outer surface;a first chamber formed in the first canister for allowing an inert gas to be introduced uniformly into the first canister;a second chamber formed in the first canister through which the inert gas is removed from the first canister;a second canister that encircles the first canister, the second canister having a second inner surface and a second outer surface with a first cavity being formed between the first outer surface and the second inner surface;at least one heating element for heating the first canister to a temperature of approximately 450.degree. C., the heating element being positioned in the first cavity in thermal contact with the first outer surface;a third canister that encircles the second canister, the third canister being adapted to hold a vacuum of at least approximately one torr;inert gas supply means for introducing an inert gas into the first chamber; andvacuum supply means for allowing a vacuum to be drawn through the second chamber.