Patent ID: 6979369
Filing Date: 2005-12-27
Classification: B32B,C04B,H01L,Y10T

Abstract:
1. A fixing structure of a ceramic susceptor, said fixing structure comprising: a ceramic susceptor to be heated, said ceramic susceptor having a mounting face and a back face; a ceramic supporting member joined with said back face of said susceptor, and a chamber wall fixing said supporting member; wherein said ceramic supporting member has an outer wall surface and a continuous and integral curved part formed between said outer wall surface and said back face of said susceptor that is concave with respect to said outer wall surface of said ceramic supporting member; wherein said curved part has a radius of curvature R in a range of 4 mm to 25 mm in the longitudinal direction of said ceramic supporting member, and a center of curvature of said curved part is located outside said outer wall surface of said ceramic supporting member; and wherein said ceramic supporting member has a wall thickness t in a range of 1 mm to 15 mm.