TWI796662B - 編碼器用反射型光學尺及反射型光學式編碼器 - Google Patents

編碼器用反射型光學尺及反射型光學式編碼器 Download PDF

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Publication number
TWI796662B
TWI796662B TW110111732A TW110111732A TWI796662B TW I796662 B TWI796662 B TW I796662B TW 110111732 A TW110111732 A TW 110111732A TW 110111732 A TW110111732 A TW 110111732A TW I796662 B TWI796662 B TW I796662B
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TW
Taiwan
Prior art keywords
film
chromium
low
reflection
reflective optical
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TW110111732A
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English (en)
Chinese (zh)
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TW202142837A (zh
Inventor
中澤伸介
戶田剛史
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日商大日本印刷股份有限公司
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/347Mechanical 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
    • G01D5/34707Scales; Discs, e.g. fixation, fabrication, compensation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/12Mechanical 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 using electric or magnetic means
    • G01D5/244Mechanical 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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24428Error prevention
    • G01D5/24433Error prevention by mechanical means
    • G01D5/24438Special design of the sensing element or scale
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/347Mechanical 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
    • G01D5/3473Circular or rotary encoders
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/347Mechanical 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
    • G01D5/34746Linear encoders
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/08Mirrors
    • G02B5/0816Multilayer mirrors, i.e. having two or more reflecting layers
    • G02B5/085Multilayer mirrors, i.e. having two or more reflecting layers at least one of the reflecting layers comprising metal

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Transform (AREA)
TW110111732A 2020-03-31 2021-03-31 編碼器用反射型光學尺及反射型光學式編碼器 TWI796662B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-063476 2020-03-31
JP2020063476 2020-03-31

Publications (2)

Publication Number Publication Date
TW202142837A TW202142837A (zh) 2021-11-16
TWI796662B true TWI796662B (zh) 2023-03-21

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TW110111732A TWI796662B (zh) 2020-03-31 2021-03-31 編碼器用反射型光學尺及反射型光學式編碼器
TW112112496A TWI856594B (zh) 2020-03-31 2021-03-31 編碼器用反射型光學尺及反射型光學式編碼器
TW113131410A TWI907024B (zh) 2020-03-31 2021-03-31 編碼器用反射型光學尺及反射型光學式編碼器

Family Applications After (2)

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TW112112496A TWI856594B (zh) 2020-03-31 2021-03-31 編碼器用反射型光學尺及反射型光學式編碼器
TW113131410A TWI907024B (zh) 2020-03-31 2021-03-31 編碼器用反射型光學尺及反射型光學式編碼器

Country Status (6)

Country Link
US (3) US12188795B2 (https=)
EP (2) EP4130683B1 (https=)
JP (3) JP7574845B2 (https=)
CN (2) CN114450553A (https=)
TW (3) TWI796662B (https=)
WO (1) WO2021201024A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3111979B1 (fr) * 2020-06-30 2023-03-24 Codechamp Revetement reflechissant des moyens de reflexion d’un codeur optique et codeur optique ainsi realise
US20240085219A1 (en) * 2021-02-09 2024-03-14 Renishaw Plc Rotary encoder
WO2024029490A1 (ja) * 2022-08-02 2024-02-08 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、エンコーダ用反射型光学式スケールの製造方法、およびエンコーダ用反射型光学式スケール多面付け体
TWI895801B (zh) * 2022-09-22 2025-09-01 日商大日本印刷股份有限公司 反射型光學式編碼器及編碼器用反射型光學尺用積層體
DE102024002189A1 (de) * 2024-07-05 2026-01-08 Dr. Johannes Heidenhain Gmbh Maßverkörperung und optische Positionsmesseinrichtung mit dieser Maßverkörperung

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TW200730286A (en) * 2005-10-11 2007-08-16 Gsi Group Corp Optical metrological scale and laser-based manufacturing method therefor
TW201118350A (en) * 2009-11-20 2011-06-01 Everlight Electronics Co Ltd Reflective type optical encoder
JP2019158710A (ja) * 2018-03-15 2019-09-19 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

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JP2001296146A (ja) * 2000-03-10 2001-10-26 Dr Johannes Heidenhain Gmbh 反射測定目盛およびこの測定目盛の製造方法
TW200730286A (en) * 2005-10-11 2007-08-16 Gsi Group Corp Optical metrological scale and laser-based manufacturing method therefor
TW201118350A (en) * 2009-11-20 2011-06-01 Everlight Electronics Co Ltd Reflective type optical encoder
JP2019158710A (ja) * 2018-03-15 2019-09-19 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

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JP2026035718A (ja) 2026-03-04
EP4130683B1 (en) 2026-01-21
WO2021201024A1 (ja) 2021-10-07
JPWO2021201024A1 (https=) 2021-10-07
US20240393143A1 (en) 2024-11-28
EP4130683A4 (en) 2023-08-23
US20230126475A1 (en) 2023-04-27
US12188795B2 (en) 2025-01-07
CN114674233A (zh) 2022-06-28
TW202447177A (zh) 2024-12-01
EP4707746A2 (en) 2026-03-11
JP2025011275A (ja) 2025-01-23
EP4130683A1 (en) 2023-02-08
JP7782644B2 (ja) 2025-12-09
TWI856594B (zh) 2024-09-21
JP7574845B2 (ja) 2024-10-29
TWI907024B (zh) 2025-12-01
TW202332884A (zh) 2023-08-16
TW202142837A (zh) 2021-11-16
US20250116537A1 (en) 2025-04-10
CN114450553A (zh) 2022-05-06

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