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公开(公告)号:US20210381094A1
公开(公告)日:2021-12-09
申请号:US17407668
申请日:2021-08-20
申请人: KYOCERA Corporation
发明人: Takashi HINO , Tetsuo INOUE , Shuichi SAITO
IPC分类号: C23C14/08 , H01L21/3065
摘要: A component includes a film containing polycrystalline yttrium oxide. In an X-ray diffraction pattern of the film, a ratio Im/Ic of a maximum intensity Im of a peak attributed to monoclinic yttrium oxide to a maximum intensity Ic of a peak attributed to cubic yttrium oxide satisfies an expression: 0≤Im/Ic≤0.002.