发明名称 RARE-EARTH OXIDE BASED MONOLITHIC CHAMBER MATERIAL
摘要 A solid sintered ceramic article may include a solid solution comprising Y2O3 at a concentration of approximately 30 molar % to approximately 60 molar %, Er2O3 at a concentration of approximately 20 molar % to approximately 60 molar %, and at least one of ZrO2, Gd2O3 or SiO2 at a concentration of approximately 0 molar % to approximately 30 molar %. Alternatively, the solid sintered ceramic article a solid solution comprising 40-100 mol % of Y2O3, 0-50 mol % of ZrO2, and 0-40 mol % of Al2O3.
申请公布号 US2015133285(A1) 申请公布日期 2015.05.14
申请号 US201414531785 申请日期 2014.11.03
申请人 Applied Materials, Inc. 发明人 Sun Jennifer Y.;Kanungo Biraja P.
分类号 C04B35/50;B32B38/00;C04B35/64;B32B37/14 主分类号 C04B35/50
代理机构 代理人
主权项 1. An article comprising: a plasma resistant ceramic material comprising at least one solid solution, wherein the at least one solid solution comprises Y2O3 at a concentration of approximately 30 molar % to approximately 60 molar %, Er2O3 at a concentration of approximately 20 molar % to approximately 60 molar %, and at least one of ZrO2, Gd2O3 or SiO2 at a concentration of approximately 0 molar % to approximately 30 molar %.
地址 Santa Clara CA US