Invention Grant
- Patent Title: Scale and method of manufacturing the same
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Application No.: US17218664Application Date: 2021-03-31
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Publication No.: US12044558B2Publication Date: 2024-07-23
- Inventor: Toshihiko Aoki , Kosaku Miyake
- Applicant: MITUTOYO CORPORATION
- Applicant Address: JP Kawasaki
- Assignee: MITUTOYO CORPORATION
- Current Assignee: MITUTOYO CORPORATION
- Current Assignee Address: JP Kawasaki
- Agency: Rankin, Hill & Clark LLP
- Priority: JP 20098522 2020.06.05
- Main IPC: G01D5/38
- IPC: G01D5/38 ; G01D5/347 ; G02B5/18 ; G02B27/42
Abstract:
A scale includes a substrate, a metal layer of Ni formed on one principal surface of the substrate, and a scale grating formed on the metal layer. A plurality of gratings of Cr are disposed at a predetermined interval in the scale grating.
Public/Granted literature
- US20210381859A1 SCALE AND METHOD OF MANUFACTURING THE SAME Public/Granted day:2021-12-09
Information query
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