Patent ID: 9666458
Date: 2017-05-30
CPC Classifications: C30B,H01L

Claim:
1. A heat treatment apparatus comprising: a reaction chamber comprising an intake portion and an exhaust portion; a first portion configured to supply a gas to the intake portion; a second portion configured to heat the gas supplied from the intake portion and for supplying the heated gas to a substrate; a third portion configured to hold the substrate which is to be heated by the heated gas; a connecting pipe connected to the intake portion and the exhaust portion: and an orifice plate between the second portion and the third portion, wherein the orifice plate comprising pores, wherein the second portion comprises a lamp and a heat absorber covering the lamp, the second portion is positioned in the reaction chamber, wherein the heat absorber includes fins, the fins are positioned to contact with the gas, wherein the second portion and the third portion are separated by the orifice plate, and wherein the heated gas is supplied to the third portion from the second portion through the pores.