IT7867556A0 - Procedimento e dispositivo per la ispezione ottica di una superficie - Google Patents

Procedimento e dispositivo per la ispezione ottica di una superficie

Info

Publication number
IT7867556A0
IT7867556A0 IT7867556A IT6755678A IT7867556A0 IT 7867556 A0 IT7867556 A0 IT 7867556A0 IT 7867556 A IT7867556 A IT 7867556A IT 6755678 A IT6755678 A IT 6755678A IT 7867556 A0 IT7867556 A0 IT 7867556A0
Authority
IT
Italy
Prior art keywords
procedure
optical inspection
inspection
optical
Prior art date
Application number
IT7867556A
Other languages
English (en)
Other versions
IT1107257B (it
Original Assignee
Nat Res Dev
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 Nat Res Dev filed Critical Nat Res Dev
Publication of IT7867556A0 publication Critical patent/IT7867556A0/it
Application granted granted Critical
Publication of IT1107257B publication Critical patent/IT1107257B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
    • G01B9/02007—Two or more frequencies or sources used for interferometric measurement
    • 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
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/2441—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using interferometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02094—Speckle interferometers, i.e. for detecting changes in speckle pattern

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
IT67556/78A 1977-03-15 1978-03-14 Procedimento e dispositivo per la ispezione ottica di una superficie IT1107257B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10884/77A GB1593284A (en) 1977-03-15 1977-03-15 Optical inspection

Publications (2)

Publication Number Publication Date
IT7867556A0 true IT7867556A0 (it) 1978-03-14
IT1107257B IT1107257B (it) 1985-11-25

Family

ID=9976097

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67556/78A IT1107257B (it) 1977-03-15 1978-03-14 Procedimento e dispositivo per la ispezione ottica di una superficie

Country Status (5)

Country Link
US (1) US4191476A (it)
DE (1) DE2811288A1 (it)
FR (1) FR2384233B1 (it)
GB (1) GB1593284A (it)
IT (1) IT1107257B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4352565A (en) * 1981-01-12 1982-10-05 Rowe James M Speckle pattern interferometer
EP0108497B1 (en) * 1982-10-08 1987-05-13 National Research Development Corporation Irradiative probe system
US4657394A (en) * 1984-09-14 1987-04-14 New York Institute Of Technology Apparatus and method for obtaining three dimensional surface contours
US4641972A (en) * 1984-09-14 1987-02-10 New York Institute Of Technology Method and apparatus for surface profilometry
GB8522820D0 (en) * 1985-09-16 1985-10-23 Montgomery P C Interferometric measurement
US4818110A (en) * 1986-05-06 1989-04-04 Kla Instruments Corporation Method and apparatus of using a two beam interference microscope for inspection of integrated circuits and the like
GB8613635D0 (en) * 1986-06-05 1986-07-09 Tyrer J R Optical inspection
DE3621631A1 (de) * 1986-06-27 1988-01-14 Hirschmann Geraetebau Gmbh & C Geraet zur abbildung eines objektes auf einem elektrooptischen wandler
US4913547A (en) * 1988-01-29 1990-04-03 Moran Steven E Optically phased-locked speckle pattern interferometer
DE4108062A1 (de) * 1991-03-13 1992-09-17 Man Technologie Gmbh Vorrichtung zur interferometrischen messung von objekten
US5671042A (en) * 1992-02-18 1997-09-23 Illinois Institute Of Technology Holomoire strain analyzer
DE19513234C2 (de) * 1995-04-07 2001-02-22 Ettemeyer Andreas Verfahren und Vorrichtung zur Bestimmung von Phasen und Phasendifferenzen
DE19513233C2 (de) * 1995-04-07 2001-01-04 Andreas Ettemeyer Verfahren und Vorrichtung zur Bestimmung von Phasen und Phasendifferenzen
FR2849245B1 (fr) * 2002-12-20 2006-02-24 Thales Sa Procede d'authentification et d'identification optique d'objets et dispositif de mise en oeuvre
US7397552B2 (en) 2004-09-27 2008-07-08 Applied Materials, Israel, Ltd. Optical inspection with alternating configurations
US8265375B2 (en) * 2006-06-16 2012-09-11 Shirley Lyle G Method and apparatus for remote sensing of objects utilizing radiation speckle
WO2009120643A2 (en) * 2008-03-22 2009-10-01 Lyle Shirley Dimensional probe and methods of use
AU2010299566A1 (en) * 2009-09-28 2012-05-03 Pentalum Technologies Ltd. Methods, devices and systems for remote wind sensing
EP2596320A4 (en) 2010-07-24 2015-08-26 Focused Innovation Inc METHOD AND APPARATUS FOR IMAGING

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT298830B (de) * 1970-07-10 1972-05-25 Eumig Elek Zitaet Und Metallwa Holographisch-interferometrisches oder moirémetrisches Verfahren
GB1392448A (en) * 1971-06-22 1975-04-30 Nat Res Dev Optical indpection
GB1382523A (en) * 1972-03-15 1975-02-05 Vockenhuber Karl Holographic method and apparatus
GB1460861A (en) * 1974-03-05 1977-01-06 Nat Res Dev Interferrometers

Also Published As

Publication number Publication date
DE2811288A1 (de) 1978-10-19
FR2384233A1 (it) 1978-10-13
FR2384233B1 (it) 1985-05-17
GB1593284A (en) 1981-07-15
DE2811288C2 (it) 1990-10-31
IT1107257B (it) 1985-11-25
US4191476A (en) 1980-03-04

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960329