Patent ID: 7838800
Filing Date: 2010-11-23
Classification: F27D

Abstract:
1. A substrate holder for supporting a substrate in a processing system, comprising: a temperature controlled support base having a controlled first temperature; a substrate support opposing said temperature controlled support base and configured to support the substrate, the substrate support including a clamp electrode embedded therein, the clamp electrode configured to electrically clamp said substrate to said substrate support; one or more heating elements embedded within said substrate support and configured to heat the substrate support to a second temperature above the controlled first temperature, the one or more heating elements and the clamp electrode lying in separate planes; and an erosion resistant thermal insulator disposed between said temperature controlled support base and said substrate support so as to be exposed to process gas of the processing system, the erosion resistant thermal insulator having a thermal conductivity lower than respective thermal conductivities of both the substrate support and the temperature controlled support base such that the erosion resistant thermal insulator provides thermal resistance between the substrate support and the temperature controlled support base and counters heating of a substantially edge region of the substrate, wherein the erosion resistant thermal insulator is an acryl-based adhesive which bonds said temperature controlled support base to said substrate support, and which resists halogen containing gas corrosion.