Patent ID: 7008220
Filing Date: 2006-03-07
Classification: C04B,C09K,H01L,Y10T

Abstract:
1. A ceramic setter plate made of a plate-shaped sintered body of a non-oxide ceramic material formed by firing ceramic particles of at least one member selected from the group consisting of SiC, Si 3 N 4 , BN, AlN, MoSi 2 , TiN and ZrB 2 , wherein said sintered body is made of a porous body having interconnected pores and one or a plurality of cavities inside thereof in substantially the center in the thickness direction, at least one of the cavities has therein one or a plurality of branched parts, and each of the cavities has an opening part at at least one of side parts of said sintered body and at least one of the cavities that is provided extending from said opening part to the inside is blocked at the inside of said ceramic setter plate.