Patent ID: 6072162
Filing Date: 2000-06-06
Classification: H01L,H05B

Abstract:
A device for heating a substrate comprising:a heating plate for heating a to-be-treated substrate;a substrate holding section for holding the to-be-treated substrate on the heating plate;a gas stream producing section for producing a gas stream in a space above the heating plate in one direction along a surface of the heating plate, the gas stream producing section including a gas introduction port and a gas exhaust port located opposite to the gas introduction port as referenced to the heating plate; anda heater provided at the heating plate,said heater including a plurality of heater elements which are arranged symmetrically with respect to an axis defined by a gas stream flowing through a center of the heating plate said heater elements being arranged in a plurality of ring regions such that each of the ring regions includes at least two of the heater elements.