Invention Grant
- Patent Title: Reflection plate for optical encoder and manufacturing method thereof, and optical encoder
- Patent Title (中): 光学编码器反射板及其制造方法及光学编码器
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Application No.: US12714995Application Date: 2010-03-01
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Publication No.: US08368004B2Publication Date: 2013-02-05
- Inventor: Satoru Oshida , Masaru Kato
- Applicant: Satoru Oshida , Masaru Kato
- Applicant Address: JP Tokyo
- Assignee: Nikon Corporation
- Current Assignee: Nikon Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Priority: JP2007-229887 20070905; JP2007-339778 20071228
- Main IPC: G01D5/34
- IPC: G01D5/34 ; G01D5/36 ; F21V9/16
Abstract:
A reflection plate for an optical encoder includes: a base material (1) with a reflecting surface; and a film (3) that is formed on a part of the reflecting surface and includes a non-electrolytic plating film or an electrolytic oxide film.
Public/Granted literature
- US20100193671A1 REFLECTION PLATE FOR OPTICAL ENCODER AND MANUFACTURING METHOD THEREOF, AND OPTICAL ENCODER Public/Granted day:2010-08-05
Information query
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