Invention Grant
- Patent Title: Cylindrical body and method for producing same
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Application No.: US17043723Application Date: 2019-04-10
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Publication No.: US11408915B2Publication Date: 2022-08-09
- Inventor: Masami Yamamoto
- Applicant: NIDEC-READ CORPORATION
- Applicant Address: JP Kyoto
- Assignee: NIDEC-READ CORPORATION
- Current Assignee: NIDEC-READ CORPORATION
- Current Assignee Address: JP Kyoto
- Agency: Viering, Jentschura & Partner mbB
- Priority: JPJP2018-086082 20180427
- International Application: PCT/JP2019/015569 WO 20190410
- International Announcement: WO2019/208216 WO 20191013
- Main IPC: G01R1/067
- IPC: G01R1/067 ; G01R3/00 ; H01B1/02 ; H01B13/00 ; G01R1/04
Abstract:
A cylindrical body is formed of a conductive member provided with a spiral spring portion. Further, the cylindrical body includes a Ni metal layer and a Ni—W alloy layer containing W, and an end portion of the Ni—W alloy layer protrudes to an outer side of the Ni metal layer.
Public/Granted literature
- US20210035701A1 CYLINDRICAL BODY AND METHOD FOR PRODUCING SAME Public/Granted day:2021-02-04
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