DE69320678T2 - Vorrichtung zur Detektion von Verschiebungsinformation - Google Patents
Vorrichtung zur Detektion von VerschiebungsinformationInfo
- Publication number
- DE69320678T2 DE69320678T2 DE69320678T DE69320678T DE69320678T2 DE 69320678 T2 DE69320678 T2 DE 69320678T2 DE 69320678 T DE69320678 T DE 69320678T DE 69320678 T DE69320678 T DE 69320678T DE 69320678 T2 DE69320678 T2 DE 69320678T2
- Authority
- DE
- Germany
- Prior art keywords
- displacement information
- detecting displacement
- detecting
- information
- displacement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000006073 displacement reaction Methods 0.000 title 1
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
- G01D5/36—Forming the light into pulses
- G01D5/38—Forming the light into pulses by diffraction gratings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8544792 | 1992-04-07 | ||
JP33740392A JP2862448B2 (ja) | 1991-12-20 | 1992-12-17 | 光学式変位センサ及びこれを用いた駆動システム |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69320678D1 DE69320678D1 (de) | 1998-10-08 |
DE69320678T2 true DE69320678T2 (de) | 1999-03-25 |
Family
ID=26426451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69320678T Expired - Lifetime DE69320678T2 (de) | 1992-04-07 | 1993-04-06 | Vorrichtung zur Detektion von Verschiebungsinformation |
Country Status (3)
Country | Link |
---|---|
US (1) | US5390022A (de) |
EP (1) | EP0565056B1 (de) |
DE (1) | DE69320678T2 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH074993A (ja) * | 1993-03-23 | 1995-01-10 | Ricoh Co Ltd | エンコーダ装置 |
JP3028716B2 (ja) * | 1993-09-29 | 2000-04-04 | キヤノン株式会社 | 光学式変位センサ |
JP3196459B2 (ja) * | 1993-10-29 | 2001-08-06 | キヤノン株式会社 | ロータリーエンコーダ |
WO1995020139A1 (en) * | 1994-01-24 | 1995-07-27 | Svg Lithography Systems, Inc. | Grating-grating interferometric alignment system |
JP3530573B2 (ja) * | 1994-04-27 | 2004-05-24 | キヤノン株式会社 | 光学式変位センサ |
JPH08210814A (ja) * | 1994-10-12 | 1996-08-20 | Canon Inc | 光学式変位測定装置 |
JPH08210824A (ja) * | 1995-02-07 | 1996-08-20 | Canon Inc | 回転検出装置及び回転制御装置 |
JPH08219812A (ja) * | 1995-02-15 | 1996-08-30 | Canon Inc | 変位情報検出装置、変位情報検出用スケール及びこれを用いたドライブ制御装置 |
EP0729013B1 (de) * | 1995-02-21 | 2002-07-17 | Canon Kabushiki Kaisha | Vorrichtung zur Bestimmung einer Verschiebung und deren Verwendung in einer Einrichtung zur Antriebsregelung |
US6229140B1 (en) | 1995-10-27 | 2001-05-08 | Canon Kabushiki Kaisha | Displacement information detection apparatus |
US6151185A (en) * | 1996-09-05 | 2000-11-21 | Canon Kabushiki Kaisha | Position detecting apparatus, positioning apparatus, and information recording apparatus using the same |
US6631047B2 (en) | 1997-09-22 | 2003-10-07 | Canon Kabushiki Kaisha | Interference device, position detecting device, positioning device and information recording apparatus using the same |
JPH11351813A (ja) | 1998-06-08 | 1999-12-24 | Canon Inc | 干渉装置及びそれを用いた位置検出装置 |
US6407815B2 (en) * | 1998-07-02 | 2002-06-18 | Sony Precision Technology Inc. | Optical displacement measurement system |
JP4365927B2 (ja) * | 1999-03-12 | 2009-11-18 | キヤノン株式会社 | 干渉計測装置及び格子干渉式エンコーダ |
EP1045227B2 (de) | 1999-04-16 | 2012-04-18 | Canon Kabushiki Kaisha | Kodierer |
JP2000321021A (ja) | 1999-05-10 | 2000-11-24 | Canon Inc | 干渉装置、変位測定装置、及びそれを用いた情報記録又は/及び再生装置 |
JP4846909B2 (ja) * | 2000-02-15 | 2011-12-28 | キヤノン株式会社 | 光学式エンコーダ及び回折格子の変位測定方法 |
JP2001336952A (ja) | 2000-05-26 | 2001-12-07 | Canon Inc | 測定装置 |
GB0413710D0 (en) * | 2004-06-21 | 2004-07-21 | Renishaw Plc | Scale reading apparatus |
DE102005053787B4 (de) * | 2005-11-09 | 2019-11-28 | Dr. Johannes Heidenhain Gmbh | Optische Abtasteinheit sowie Verfahren zur Montage |
KR101624505B1 (ko) * | 2009-09-24 | 2016-05-26 | 삼성전자주식회사 | 3-d 포인팅 감지 장치 및 방법 |
DE102010003157B4 (de) * | 2010-03-23 | 2019-10-24 | Dr. Johannes Heidenhain Gmbh | Vorrichtung zur interferentiellen Abstandsmessung |
NL2006743A (en) * | 2010-06-09 | 2011-12-12 | Asml Netherlands Bv | Position sensor and lithographic apparatus. |
US8604413B2 (en) * | 2011-06-13 | 2013-12-10 | Mitutoyo Corporation | Optical encoder including displacement sensing normal to the encoder scale grating surface |
DE102013203713A1 (de) * | 2013-03-05 | 2014-02-13 | Carl Zeiss Smt Gmbh | Inkrementalgeber und Lithographievorrichtung |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4049965A (en) * | 1975-03-06 | 1977-09-20 | National Research Development Corporation | Measurement apparatus |
CH626169A5 (de) * | 1976-11-25 | 1981-10-30 | Leitz Ernst Gmbh | |
GB8413955D0 (en) * | 1984-05-31 | 1984-07-04 | Pa Consulting Services | Displacement measuring apparatus |
GB8432574D0 (en) * | 1984-12-22 | 1985-02-06 | Renishaw Plc | Opto-electronic scale-reading apparatus |
DE3541199C1 (de) * | 1985-11-21 | 1987-06-25 | Heidenhain Gmbh Dr Johannes | Lichtelektrische Positionsmesseinrichtung |
GB8615196D0 (en) * | 1986-06-21 | 1986-07-23 | Renishaw Plc | Opto-electronic scale reading apparatus |
US4732483A (en) * | 1987-03-19 | 1988-03-22 | Zygo Corporation | Interferometric surface profiler |
FR2620244B1 (fr) * | 1987-09-08 | 1990-01-12 | Micro Controle | Systeme pour le positionnement rigoureux d'un objet le long d'un axe |
JPH01180615A (ja) * | 1988-01-12 | 1989-07-18 | Nec Corp | クロック供給方式 |
GB2247313B (en) * | 1988-02-22 | 1992-08-19 | Mitutoyo Corp | Optical encoder. |
JPH07888Y2 (ja) | 1988-02-22 | 1995-01-11 | 株式会社ミツトヨ | 光学式変位検出器 |
GB2216257B (en) * | 1988-02-26 | 1992-06-24 | Okuma Machinery Works Ltd | Optical linear encoder |
JPH02262064A (ja) * | 1989-03-31 | 1990-10-24 | Canon Inc | レーザードップラー速度計 |
US5098190A (en) * | 1989-08-07 | 1992-03-24 | Optra, Inc. | Meterology using interferometric measurement technology for measuring scale displacement with three output signals |
JPH04229702A (ja) * | 1990-06-20 | 1992-08-19 | Canon Inc | 信号処理方法及び装置、並びにこれを用いた変位検出装置等のシステム |
JP3066923B2 (ja) * | 1991-07-29 | 2000-07-17 | キヤノン株式会社 | エンコーダ及びこれを有するシステム |
US5283434A (en) * | 1991-12-20 | 1994-02-01 | Canon Kabushiki Kaisha | Displacement detecting device with integral optics |
-
1993
- 1993-04-05 US US08/042,589 patent/US5390022A/en not_active Expired - Lifetime
- 1993-04-06 EP EP93105692A patent/EP0565056B1/de not_active Expired - Lifetime
- 1993-04-06 DE DE69320678T patent/DE69320678T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69320678D1 (de) | 1998-10-08 |
EP0565056A2 (de) | 1993-10-13 |
US5390022A (en) | 1995-02-14 |
EP0565056B1 (de) | 1998-09-02 |
EP0565056A3 (en) | 1995-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |