DE3769360D1 - Optische vorrichtung und verfahren zur untersuchung eines gegenstandes. - Google Patents

Optische vorrichtung und verfahren zur untersuchung eines gegenstandes.

Info

Publication number
DE3769360D1
DE3769360D1 DE8787302776T DE3769360T DE3769360D1 DE 3769360 D1 DE3769360 D1 DE 3769360D1 DE 8787302776 T DE8787302776 T DE 8787302776T DE 3769360 T DE3769360 T DE 3769360T DE 3769360 D1 DE3769360 D1 DE 3769360D1
Authority
DE
Germany
Prior art keywords
examining
optical device
optical
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 - Fee Related
Application number
DE8787302776T
Other languages
English (en)
Inventor
Robert Noel West
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sira Ltd
Original Assignee
Sira Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sira Ltd filed Critical Sira Ltd
Application granted granted Critical
Publication of DE3769360D1 publication Critical patent/DE3769360D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901—Optical details; Scanning details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0477—Prisms, wedges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/06—Restricting the angle of incident light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE8787302776T 1986-04-28 1987-03-31 Optische vorrichtung und verfahren zur untersuchung eines gegenstandes. Expired - Fee Related DE3769360D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868610304A GB8610304D0 (en) 1986-04-28 1986-04-28 Optical apparatus

Publications (1)

Publication Number Publication Date
DE3769360D1 true DE3769360D1 (de) 1991-05-23

Family

ID=10596951

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787302776T Expired - Fee Related DE3769360D1 (de) 1986-04-28 1987-03-31 Optische vorrichtung und verfahren zur untersuchung eines gegenstandes.

Country Status (5)

Country Link
US (1) US4851696A (de)
EP (1) EP0244092B1 (de)
CA (1) CA1271822A (de)
DE (1) DE3769360D1 (de)
GB (1) GB8610304D0 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943732A (en) * 1989-08-16 1990-07-24 Micrion Corporation Method and apparatus for defect detection and location
US5852287A (en) * 1993-08-17 1998-12-22 Sony Corporation Semiconductor optical device for code reader
SE502547C2 (sv) * 1994-03-21 1995-11-13 Tetra Laval Holdings & Finance Sätt och anordning för att avkänna läget för en tvärgående big hos en förpackningsbana
US5949550A (en) * 1997-08-21 1999-09-07 Consolidated Papers, Inc. Method and apparatus for detecting defects in a moving web
IL132399A (en) * 1999-10-14 2004-05-12 Elop Electrooptics Ind Ltd Limits a numeric key
CN1296684C (zh) * 2000-07-28 2007-01-24 大塚电子株式会社 光谱检测设备
US20040159804A1 (en) * 2003-02-13 2004-08-19 Boutet John C. Prism use for CR collector efficiency boost
DE102010026443B4 (de) * 2010-07-08 2016-08-04 Precitec Kg Vorrichtung zur Messung der Leistung eines Laserstrahls und Laserbearbeitungskopf mit einer derartigen Vorrichtung
US9027477B2 (en) 2013-03-28 2015-05-12 Xerox Corporation Wrinkle detection in continuous feed printers
JP6974252B2 (ja) * 2018-05-15 2021-12-01 京セラ株式会社 電磁波検出装置および情報取得システム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR472448A (fr) * 1914-02-03 1914-12-04 Stettiner Chamotte Fabrik Akti Chemise d'eau de réfrigération pour fours à combustion
GB1044950A (en) * 1962-11-20 1966-10-05 English Electric Leo Marconi C Improvements in or relating to optical elements for photo-electric sensing devices
DE2433683C3 (de) * 1974-07-12 1979-02-22 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Vorrichtung zur Überwachung einer Materialbahn auf Fehlstellen
US4378159A (en) * 1981-03-30 1983-03-29 Tencor Instruments Scanning contaminant and defect detector
GB2117897B (en) * 1982-03-03 1986-04-16 Sira Ltd Detecting surface defects
US4601576A (en) * 1983-12-09 1986-07-22 Tencor Instruments Light collector for optical contaminant and flaw detector

Also Published As

Publication number Publication date
EP0244092A1 (de) 1987-11-04
US4851696A (en) 1989-07-25
GB8610304D0 (en) 1986-06-04
EP0244092B1 (de) 1991-04-17
CA1271822A (en) 1990-07-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee