Patent ID: 6576572
Filing Date: 2003-06-10
Classification: H01L

Abstract:
A method for heating a substrate having a first surface comprising:providing a hot plate having a first surface and a second surface with a first recess defined by a bottom and at least one wall disposed within the first surface; providing a second recess disposed proximate a center region of the first recess, the second recess defined by at least one wall and a bottom; applying heat to the second surface of the hot plate; positioning the first surface of the substrate above the first and second recesses and proximate the first surface of the hot plate such that the substrate is disposed generally parallel to the first surface of the hot plate with at least a portion of an outer edge of the first surface of the substrate in contact with the first surface of the hot plate proximate the at least one wall defining the first recess; and uniformly heating the substrate.