Patent ID: 7862334
Filing Date: 2011-01-04
Classification: F27B,H01L,Y10S

Abstract:
1. A heat treatment apparatus for processing a device substrate, comprising: a chamber comprising an inlet and an outlet; a support plate configured to support a device substrate having a bottom surface, the support plate having a flat upper surface and a lower surface, the upper surface being configured to contact substantially the entire bottom surface of the device substrate, wherein the support plate comprises quartz or a metal; a transfer unit configured to move the support plate along a path extending in a direction from a first position to a second position through the inlet, the chamber, and the outlet, the first position being outside the chamber adjacent to the inlet, the second position being outside the chamber adjacent to the outlet, the transfer unit being configured to movably contact the lower surface of the support plate; and a heater positioned in the chamber, the heater being configured to heat the device substrate while the device substrate is located in the chamber, wherein the support plate comprises at least one hole formed in a predetermined region thereof, and wherein the heater is positioned over the device substrate while the device substrate is located in the chamber.