Patent ID: 7431584
Filing Date: 2008-10-07
Classification: G03F,H01L

Abstract:
1. An apparatus, for heat-processing a mask substrate, comprising: a heating plate for heating the mask substrate, the heating plate including a front surface facing the mask substrate, the mask substrate disposed on a first side of the heating plate, the mask substrate including a side surface; heating means for heating the heating plate; and a frame member disposed on the first side of the heating plate so as to overlap the heating plate as viewed from the first side, the frame member including an inner peripheral surface directly opposite the side surface of the mask substrate such that a first clearance is disposed between the inner peripheral surface and the side surface, the frame member being detachably supported by the heating plate so that the frame member is disposed around the mask substrate, and the frame member and mask substrate are disposed within a same plane that is parallel to the front surface of the heating plate.