Invention Grant
- Patent Title: Plasma-resistant member
-
Application No.: US16246852Application Date: 2019-01-14
-
Publication No.: US11623898B2Publication Date: 2023-04-11
- Inventor: Junichi Iwasawa , Toshihiro Aoshima
- Applicant: TOTO LTD.
- Applicant Address: JP Kitakyushu
- Assignee: TOTO LTD.
- Current Assignee: TOTO LTD.
- Current Assignee Address: JP Kitakyushu
- Agency: Carrier Shende & Associates, P.C.
- Agent Joseph P. Carrier; Fuichand P. Shende
- Priority: JP2012-287511 20121228,JP2013-205278 20130930
- Main IPC: C04B35/505
- IPC: C04B35/505 ; C04B35/622 ; C23C4/12 ; C23C16/44 ; C04B41/87 ; C04B41/50 ; C04B41/00 ; C23C24/04 ; H01L21/683 ; H01L21/687

Abstract:
According to an aspect of the invention, there is provided a plasma-resistant member including: a base member; and a layer structural component formed at a surface of the base member, the layer structural component including an yttria polycrystalline body and being plasma resistant, the layer structural component including a first uneven structure, and a second uneven structure formed to be superimposed onto the first uneven structure, the second uneven structure having an unevenness finer than an unevenness of the first uneven structure.
Public/Granted literature
- US20190144347A1 PLASMA-RESISTANT MEMBER Public/Granted day:2019-05-16
Information query
IPC分类: