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Rare-earth oxide based erosion resistant coatings for semiconductor application 发明授权

2023-11-06 1260 2014K 0

专利信息

申请日期 2025-07-08 申请号 US13954808
公开(公告)号 US9865434B2 公开(公告)日 2018-01-09
公开国别 US 申请人省市代码 全国
申请人 Applied Materials Inc
简介 An article includes a body that is coated with a ceramic coating. The ceramic coating may include Y2O3 in a range between about 45 mol % to about 99 mol %, ZrO2 in a range between about 0 mol % to about 55 mol %, and Al2O3 in range between about 0 mol % to about 10 mol %. The ceramic coating may alternatively inculde Y2O3 in a range between about 30 mol % to about 60 mol %, ZrO2 in a range between about 0 mol % to about 20 mol %, and Al2O3 in a range between about 30 mol % to about 60 mol %.


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