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Corrosion-resistant parts and manufacturing methods 发明授权

2022-06-02 4930 1376K 0

专利信息

申请日期 2025-04-18 申请号 KR1020197017241
公开(公告)号 KR102384436B1 公开(公告)日 2022-04-12
公开国别 KR 申请人省市代码 全国
申请人 쿠어스 테크 인코포레이티드
简介 A corrosion-resistant component configured for use with a semiconductor processing reactor, the corrosion-resistant component comprising : a) a ceramic insulating substrate; and, b) a white corrosion-resistant non-porous outer layer associated with the ceramic insulating substrate, the white corrosion-resistant non-porous outer layer having a thickness of at least 50 µm, a porosity of at most 1%, and a composition comprising at least 15% by weight of a rare earth compound based on total weight of the corrosion-resistant non-porous layer; and, c) an L* value of at least 90 as measured on a planar surface of the white corrosion-resistant non-porous outer layer. Methods of making are also disclosed.


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