JP5308059B2 - 光電式エンコーダ用スケール - Google Patents
光電式エンコーダ用スケール Download PDFInfo
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- JP5308059B2 JP5308059B2 JP2008114798A JP2008114798A JP5308059B2 JP 5308059 B2 JP5308059 B2 JP 5308059B2 JP 2008114798 A JP2008114798 A JP 2008114798A JP 2008114798 A JP2008114798 A JP 2008114798A JP 5308059 B2 JP5308059 B2 JP 5308059B2
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- 239000000463 material Substances 0.000 claims description 49
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- 229910052721 tungsten Inorganic materials 0.000 claims description 17
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- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 16
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 7
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 7
- 230000008569 process Effects 0.000 description 7
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- 239000010931 gold Substances 0.000 description 6
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
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Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
- G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Description
本実施の形態におけるスケール100は、図4に示すフローに従って製造することができる。
Claims (7)
- 所定の波長範囲の光の反射を検出する光電式エンコーダに用いられるスケールであって、
基材と、
前記基材の表面に形成されたDLC層を含む光吸収層と、
前記波長範囲の光に対する反射率が前記光吸収層より高く、前記光吸収層上に格子状に形成された光反射層と、
を備え、
前記DLC層は、前記基材の表面のうち少なくとも前記光反射層の格子が形成された領域及び格子間の領域を覆うように形成されていることを特徴とするスケール。 - 請求項1に記載のスケールであって、
前記光反射層が形成されている前記基材の面における前記DLC層の厚さは250nm以上1μm以下であることを特徴とするスケール。 - 請求項1又は2に記載のスケールであって、
前記基材の全表面に前記DLC層が形成されていることを特徴とするスケール。 - 請求項1〜3のいずれか1つに記載のスケールであって、
前記光吸収層は、前記基材と前記DLC層との間に少なくとも金属を含むバインダ層を備えることを特徴とするスケール。 - 請求項4に記載のスケールであって、
前記バインダ層は、タングステン層、炭化タングステン層、クロム層及びチタン層の少なくとも1つを含むことを特徴とするスケール。 - 請求項4に記載のスケールであって、
前記バインダ層は、厚さ方向に沿って炭素とタングステンとの組成比が変化している炭化タングステン層を含むことを特徴とするスケール。 - 請求項1〜6のいずれか1つに記載のスケールであって、
前記光吸収層は、前記波長範囲の光に対する反射率が20%以下であることを特徴とするスケール。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008114798A JP5308059B2 (ja) | 2008-04-25 | 2008-04-25 | 光電式エンコーダ用スケール |
EP09004260.7A EP2112477B1 (en) | 2008-04-25 | 2009-03-25 | Scale for photoelectric encoder |
US12/385,543 US7916045B2 (en) | 2008-04-25 | 2009-04-10 | Scale for photoelectric encoder |
CN200910137722.0A CN101566485B (zh) | 2008-04-25 | 2009-04-27 | 光电编码器的光栅尺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008114798A JP5308059B2 (ja) | 2008-04-25 | 2008-04-25 | 光電式エンコーダ用スケール |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009264923A JP2009264923A (ja) | 2009-11-12 |
JP5308059B2 true JP5308059B2 (ja) | 2013-10-09 |
Family
ID=40584739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008114798A Active JP5308059B2 (ja) | 2008-04-25 | 2008-04-25 | 光電式エンコーダ用スケール |
Country Status (4)
Country | Link |
---|---|
US (1) | US7916045B2 (ja) |
EP (1) | EP2112477B1 (ja) |
JP (1) | JP5308059B2 (ja) |
CN (1) | CN101566485B (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102980602B (zh) * | 2007-09-05 | 2016-07-06 | 株式会社尼康 | 光学编码器用反射板及其制造方法、以及光学编码器 |
JP5882619B2 (ja) * | 2011-07-26 | 2016-03-09 | キヤノン株式会社 | スケール及びその製造方法並びにアブソリュートエンコーダ |
JP5846686B2 (ja) | 2011-11-22 | 2016-01-20 | 株式会社ミツトヨ | 光電式エンコーダのスケールの製造方法 |
CN102519496B (zh) * | 2011-11-25 | 2014-04-16 | 上海交通大学 | 直线运动检测装置 |
WO2013100061A1 (ja) * | 2011-12-28 | 2013-07-04 | 株式会社ニコン | エンコーダ、エンコーダ用スケールの製造方法、エンコーダの製造方法及び駆動装置 |
JP6291156B2 (ja) * | 2012-04-23 | 2018-03-14 | マクセル株式会社 | 樹脂製エンコーダスケール、エンコーダ、樹脂製エンコーダスケールの製造方法およびエンコーダの製造方法 |
JP6234703B2 (ja) * | 2012-05-18 | 2017-11-22 | 株式会社オプトニクス精密 | 反射型エンコーダ |
JP6425875B2 (ja) * | 2013-06-14 | 2018-11-21 | 株式会社ミツトヨ | 光電式測定器用スケール、エンコーダ及びスケールの形成方法 |
EP3052898B1 (en) * | 2013-10-01 | 2021-06-02 | Renishaw PLC | Reference mark detector arrangement |
US10317254B2 (en) * | 2014-03-27 | 2019-06-11 | Ams Sensors Singapore Pte. Ltd. | Optical encoder system |
US10008667B2 (en) * | 2014-08-29 | 2018-06-26 | Intel Corporation | Materials and components in phase change memory devices |
JP5925365B1 (ja) * | 2015-05-13 | 2016-05-25 | 株式会社メルテック | 光学式エンコーダ用格子板および光学式エンコーダ用格子板の製造方法 |
JP6442395B2 (ja) * | 2015-11-04 | 2018-12-19 | アルプス電気株式会社 | 反射型光学式エンコーダのコード板 |
US10241244B2 (en) | 2016-07-29 | 2019-03-26 | Lumentum Operations Llc | Thin film total internal reflection diffraction grating for single polarization or dual polarization |
CN107322170A (zh) * | 2017-08-02 | 2017-11-07 | 大连榕树光学有限公司 | 一种使用激光干涉反馈的超长金属带式光栅尺刻划*** |
JP2019120500A (ja) * | 2017-12-28 | 2019-07-22 | 株式会社ミツトヨ | スケールおよびその製造方法 |
JP7167455B2 (ja) * | 2018-03-15 | 2022-11-09 | セイコーエプソン株式会社 | エンコーダー用光学式スケールおよび光学式エンコーダー |
WO2021230161A1 (ja) * | 2020-05-09 | 2021-11-18 | 京セラ株式会社 | 位置検出用部材 |
JP2021192010A (ja) * | 2020-06-05 | 2021-12-16 | 株式会社ミツトヨ | スケールおよびその製造方法 |
Family Cites Families (17)
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CN1033921C (zh) * | 1993-04-29 | 1997-01-29 | 北京科技大学 | 带有防潮阻反膜的氯化钾窗口和透镜材料及其制备方法 |
JPH0758306A (ja) * | 1993-08-11 | 1995-03-03 | Nec Corp | 光センサ素子 |
JP2000018973A (ja) | 1998-07-03 | 2000-01-21 | Mitsutoyo Corp | 光電式エンコーダ |
DE19854733A1 (de) * | 1998-11-27 | 2000-05-31 | Heidenhain Gmbh Dr Johannes | Abtasteinheit einer Positionsmeßeinrichtung |
GB0023289D0 (en) * | 2000-09-22 | 2000-11-08 | Renishaw Plc | Determination of displacement |
WO2004027464A1 (ja) * | 2002-09-19 | 2004-04-01 | Sumitomo Electric Industries, Ltd. | 回折光学素子とその形成方法 |
JP4207554B2 (ja) * | 2002-12-12 | 2009-01-14 | 住友電気工業株式会社 | 光射出面上に回折光学膜を有する発光素子とその製造方法 |
JP4228036B2 (ja) * | 2003-02-12 | 2009-02-25 | ソニーマニュファクチュアリングシステムズ株式会社 | 位置検出装置 |
JP4463613B2 (ja) * | 2004-05-06 | 2010-05-19 | 瑞穂医科工業株式会社 | 医療用器具 |
WO2006003666A2 (en) * | 2004-07-07 | 2006-01-12 | Eugen Levich | Multilayer optical disc and method and apparatus for making same |
US7215459B2 (en) * | 2004-08-25 | 2007-05-08 | Reflectivity, Inc. | Micromirror devices with in-plane deformable hinge |
US7265892B2 (en) * | 2004-10-19 | 2007-09-04 | Texas Instruments Incorporated | Micromirror array devices with light blocking areas |
JP4877573B2 (ja) * | 2005-10-28 | 2012-02-15 | 株式会社ニコン | エンコーダディスクおよびエンコーダ |
JP2007187732A (ja) * | 2006-01-11 | 2007-07-26 | Sumitomo Electric Ind Ltd | 回折光学素子とその製造方法 |
JP2007219280A (ja) * | 2006-02-17 | 2007-08-30 | Sumitomo Electric Ind Ltd | 屈折率変調型回折光学素子の作製方法 |
JP2008045931A (ja) | 2006-08-11 | 2008-02-28 | Nippon Sheet Glass Co Ltd | 光学式エンコーダのスケールの製造方法 |
CN200989962Y (zh) * | 2006-11-14 | 2007-12-12 | 赵捷 | 一种基于衍射光栅的彩色红外成像装置 |
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2008
- 2008-04-25 JP JP2008114798A patent/JP5308059B2/ja active Active
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2009
- 2009-03-25 EP EP09004260.7A patent/EP2112477B1/en active Active
- 2009-04-10 US US12/385,543 patent/US7916045B2/en active Active
- 2009-04-27 CN CN200910137722.0A patent/CN101566485B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US7916045B2 (en) | 2011-03-29 |
JP2009264923A (ja) | 2009-11-12 |
EP2112477B1 (en) | 2014-10-22 |
EP2112477A2 (en) | 2009-10-28 |
EP2112477A3 (en) | 2013-10-23 |
US20090267803A1 (en) | 2009-10-29 |
CN101566485A (zh) | 2009-10-28 |
CN101566485B (zh) | 2014-07-02 |
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