JP2017134073A - 基準尺とその基準尺を備えた位置測定装置 - Google Patents
基準尺とその基準尺を備えた位置測定装置 Download PDFInfo
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- 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
- G01D5/264—Mechanical constructional elements therefor ; Mechanical adjustment thereof
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- 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
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- 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
- G01D5/36—Forming the light into pulses
- G01D5/38—Forming the light into pulses by diffraction gratings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- 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
- G01D5/266—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 by interferometric means
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- 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
- G01D5/28—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 deflection of beams of light, e.g. for direct optical indication
- G01D5/30—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 deflection of beams of light, e.g. for direct optical indication the beams of light being detected by photocells
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1861—Reflection gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
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Abstract
【解決手段】この半透明層Mが明暗パターンを示し、この半透明層Mを備えた領域が暗く見え、この半透明層Mを備えていない領域が明るく見える。この構造化された半透明層Mの上には、シール層Vが配置される。この場合、これらのスペーサ層Aとシール層Vに関する屈折率nA,nVと層厚dA,dVの積が同じであるか、或いは奇数倍相違するものとする。
【選択図】図2
Description
A スペーサ層
AK 走査ヘッド
M 半透明層
MV 基準尺
S ミラー層
T 支持体
V シール層
dA スペーサ層Aの厚さ
dV シール層Vの厚さ
nA スペーサ層Aの屈折率
nV シール層Vの屈折率
Claims (9)
- 支持体(T)を備え、その支持体の上にミラー層(S)が配置され、そのミラー層には透明なスペーサ層(A)が続き、そのスペーサ層の上に、明暗パターンを示す、構造化された半透明層(M)が配置され、この半透明層(M)を備えた領域が暗く見え、この半透明層(M)を備えていない領域が明るく見える光学走査式位置測定装置用の基準尺において、
この構造化された半透明層(M)の上には、シール層(V)が配置され、これらのスペーサ層(A)とシール層(V)に関する屈折率(nA,nV)と層厚(dA,dV)の積が、同じであるか、或いは奇数倍相違することを特徴とする基準尺。 - 該スペーサ層(A)とシール層(V)が同じ屈折率(nA,nV)を有することを特徴とする請求項1に記載の基準尺。
- 該スペーサ層(A)とシール層(V)が同じ材料から構成されることを特徴とする請求項2に記載の基準尺。
- 該スペーサ層(A)とシール層(V)が同じ層厚(dA,dV)を有することを特徴とする請求項2又は3に記載の基準尺。
- 該スペーサ層(A)とシール層(V)が二酸化珪素から構成されることを特徴とする請求項1から4までのいずれか一つに記載の基準尺。
- 該半透明層(M)がクロム層から構成され、そのクロム層が、有利には、10nmよりも薄いことを特徴とする請求項1から5までのいずれか一つに記載の基準尺。
- 請求項1から6までのいずれか一つに記載の基準尺と、この基準尺(MV)を単色光を用いて走査する走査ヘッド(AK)とを備えた位置測定装置において、
基準尺(MV)の明るい領域において走査ヘッド(AK)から送出されてミラー層(S)により反射される光ビーム(4)が、スペーサ層(A)とシール層(V)を二回横切ることにより2π又はその整数倍の位相シフトを受けて、シール層(V)の境界面で直接反射された光ビーム(3)に匹敵するものとなることを特徴とする位置測定装置。 - 該シール層(V)の厚さ(dV)が、走査ヘッドで使用される光の波長の1/4をシール層(V)の屈折率(nV)で除算した値に等しいか、或いはその値の奇数倍の厚さであることを特徴とする請求項7に記載の位置測定装置。
- 該スペーサ層(A)の厚さ(dA)が、走査ヘッドで使用される光の波長の1/4をスペーサ層(A)の屈折率(nA)で除算した値に等しいか、或いはその値の奇数倍の厚さであることを特徴とする請求項7又は8に記載の位置測定装置。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016201068.9A DE102016201068A1 (de) | 2016-01-26 | 2016-01-26 | Maßverkörperung und Positionsmesseinrichtung mit dieser Maßverkörperung |
| DE102016201068.9 | 2016-01-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2017134073A true JP2017134073A (ja) | 2017-08-03 |
| JP6753788B2 JP6753788B2 (ja) | 2020-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2017010833A Active JP6753788B2 (ja) | 2016-01-26 | 2017-01-25 | 基準尺とその基準尺を備えた位置測定装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10018485B2 (ja) |
| EP (1) | EP3199919B1 (ja) |
| JP (1) | JP6753788B2 (ja) |
| CN (1) | CN106996798B (ja) |
| DE (1) | DE102016201068A1 (ja) |
| ES (1) | ES2696924T3 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024063131A1 (ja) * | 2022-09-22 | 2024-03-28 | 大日本印刷株式会社 | エンコーダ用反射型光学式スケール、反射型光学式エンコーダおよびエンコーダ用反射型光学式スケール用積層体 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022103577A1 (de) * | 2022-02-16 | 2023-08-17 | Ic-Haus Gmbh | Positionssensorvorrichtung für einen optischen Positionsencoder |
| DE102024002189A1 (de) * | 2024-07-05 | 2026-01-08 | Dr. Johannes Heidenhain Gmbh | Maßverkörperung und optische Positionsmesseinrichtung mit dieser Maßverkörperung |
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2016
- 2016-01-26 DE DE102016201068.9A patent/DE102016201068A1/de not_active Withdrawn
- 2016-11-28 EP EP16200920.3A patent/EP3199919B1/de active Active
- 2016-11-28 ES ES16200920T patent/ES2696924T3/es active Active
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2017
- 2017-01-25 JP JP2017010833A patent/JP6753788B2/ja active Active
- 2017-01-26 CN CN201710057025.9A patent/CN106996798B/zh active Active
- 2017-01-26 US US15/415,913 patent/US10018485B2/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07318930A (ja) * | 1994-03-31 | 1995-12-08 | Ricoh Co Ltd | 液晶表示装置 |
| DE69506180T2 (de) * | 1994-06-30 | 1999-04-15 | Aerospatiale Societe Nationale Industrielle, Paris | Optoelektronische Kamera für Spektralabbildungsgerät oder Spektralphotometer, lichtempfindliche Einheit und Schutzfenster für eine solche Kamera sowie Verfahren zum Ausführen einer solchen Anordnung |
| JP2004053576A (ja) * | 2002-07-19 | 2004-02-19 | Pwb Ruhlatec Industrieprodukte Gmbh | 光トランスミッタ素子および位置決め・長さ測定装置 |
| US20040090677A1 (en) * | 2002-08-10 | 2004-05-13 | Michael Allgauer | Material measure in the form of an amplitude grating, as well as a position measuring system |
| JP2004086328A (ja) * | 2002-08-23 | 2004-03-18 | Fuji Photo Film Co Ltd | タッチパネル、その製造方法、およびタッチパネル付き表示装置 |
| JP2006300623A (ja) * | 2005-04-19 | 2006-11-02 | Matsushita Electric Works Ltd | 赤外線センサ |
| JP2011180160A (ja) * | 2011-06-24 | 2011-09-15 | Mitsubishi Electric Corp | 光学式エンコーダ用スケールの製造方法 |
| JP2016500842A (ja) * | 2012-10-17 | 2016-01-14 | ローデンストック.ゲゼルシャフト.ミット.ベシュレンクテル.ハフツング | 保護された微細構造を有する眼鏡レンズの作製 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024063131A1 (ja) * | 2022-09-22 | 2024-03-28 | 大日本印刷株式会社 | エンコーダ用反射型光学式スケール、反射型光学式エンコーダおよびエンコーダ用反射型光学式スケール用積層体 |
| JP7537649B1 (ja) * | 2022-09-22 | 2024-08-21 | 大日本印刷株式会社 | エンコーダ用反射型光学式スケール、反射型光学式エンコーダおよびエンコーダ用反射型光学式スケール用積層体 |
| JP2024156948A (ja) * | 2022-09-22 | 2024-11-06 | 大日本印刷株式会社 | エンコーダ用反射型光学式スケール、反射型光学式エンコーダおよびエンコーダ用反射型光学式スケール用積層体 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3199919A2 (de) | 2017-08-02 |
| CN106996798A (zh) | 2017-08-01 |
| DE102016201068A1 (de) | 2017-07-27 |
| CN106996798B (zh) | 2020-11-03 |
| EP3199919A3 (de) | 2017-08-23 |
| JP6753788B2 (ja) | 2020-09-09 |
| EP3199919B1 (de) | 2018-10-31 |
| ES2696924T3 (es) | 2019-01-18 |
| US20170211951A1 (en) | 2017-07-27 |
| US10018485B2 (en) | 2018-07-10 |
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