Patent ID: 6649544
Filing Date: 2003-11-18
Classification: F28D,F28F,H01L

Abstract:
A thermal treatment equipment for heating a substrate using gas heated by a gas-heating unit as a heating source, comprising:treatment rooms of n pieces (n>2) for performing heat-treating, each having the gas-heating unit; a preparatory heating room; and a cooling room, wherein a gas-supplying unit is connected to a gas charge port of the cooling room, a discharge port of the cooling room is connected to a first gas-heating unit through a heat exchanger, a charge port of an m-th (1&lE;m&lE;(nâˆ’1)) treatment room is connected to a discharge port of an m-th gas-heating unit, a charge port of an n-th treatment room is connected to a discharge port of an n-th gas-heating unit, a discharge port of the n-th treatment room is connected to the heat exchanger, and a discharge port of the heat exchanger is connected to a gas charge port of the preparatory heating room.