发明名称 ENCODER, MANUFACTURING METHOD OF ENCORE SCALE MANUFACTURING METHOD OF ENCODER, AND DRIVING APPARATUS
摘要 An encoder includes a scale unit having a substrate configured of a metal material and in which a pattern is formed on a first surface of the substrate and a passive state member is formed on a second surface different from the first surface in the substrate, and a detection unit that is configured to move relative to the scale unit and detects the pattern.
申请公布号 US2015160041(A1) 申请公布日期 2015.06.11
申请号 US201214368355 申请日期 2012.12.27
申请人 NIKON CORPORATION 发明人 Hikichi Shintaro;Sugiyama Hideaki
分类号 G01D5/12 主分类号 G01D5/12
代理机构 代理人
主权项 1. An encoder comprising: a scale unit having a substrate configured of a metal material and in which a pattern is formed on a first surface of the substrate and a passive state member is formed on a second surface different from the first surface in the substrate; and a detection unit that is configured to move relative to the scale unit and detects the pattern.
地址 Chiyoda-ku, Tokyo JP