Invention Grant
- Patent Title: Magnesium-lithium alloy member, manufacturing method thereof, optical apparatus, imaging apparatus, electronic apparatus and mobile object
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Application No.: US17482828Application Date: 2021-09-23
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Publication No.: US12134807B2Publication Date: 2024-11-05
- Inventor: Jun-ichi Sakamoto
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Venable LLP
- Priority: JP2018-235922 20181217,JP2019-218402 20191202
- Main IPC: C22C23/00
- IPC: C22C23/00 ; C23F1/22 ; C25D11/30
Abstract:
Provided is an alloy member including a substrate made of magnesium-lithium alloy with a sum of content of magnesium and content of lithium of 90 mass % or more and a coating film disposed on the substrate. The coating film contains fluorine and oxygen, with a fluorine content of more than 50 atom % and an oxygen content of less than 5 atom %.
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