FR1543704A - Optical method for determining the geometric defects of a surface of imposed shape, and device for implementing this method - Google Patents

Optical method for determining the geometric defects of a surface of imposed shape, and device for implementing this method

Info

Publication number
FR1543704A
FR1543704A FR127109A FR127109A FR1543704A FR 1543704 A FR1543704 A FR 1543704A FR 127109 A FR127109 A FR 127109A FR 127109 A FR127109 A FR 127109A FR 1543704 A FR1543704 A FR 1543704A
Authority
FR
France
Prior art keywords
implementing
determining
geometric defects
imposed shape
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
Application number
FR127109A
Other languages
French (fr)
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
Ernst Leitz GmbH
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 Ernst Leitz Wetzlar GmbH, Ernst Leitz GmbH filed Critical Ernst Leitz Wetzlar GmbH
Priority to FR127109A priority Critical patent/FR1543704A/en
Application granted granted Critical
Publication of FR1543704A publication Critical patent/FR1543704A/en
Expired 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
    • 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
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means
    • 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
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/34—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker
    • G01J1/36—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker using electric radiation detectors
    • 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
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (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)
  • Spectroscopy & Molecular Physics (AREA)
FR127109A 1966-11-10 1967-11-06 Optical method for determining the geometric defects of a surface of imposed shape, and device for implementing this method Expired FR1543704A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR127109A FR1543704A (en) 1966-11-10 1967-11-06 Optical method for determining the geometric defects of a surface of imposed shape, and device for implementing this method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEL0055021 1966-11-10
FR127109A FR1543704A (en) 1966-11-10 1967-11-06 Optical method for determining the geometric defects of a surface of imposed shape, and device for implementing this method

Publications (1)

Publication Number Publication Date
FR1543704A true FR1543704A (en) 1968-10-25

Family

ID=25986133

Family Applications (1)

Application Number Title Priority Date Filing Date
FR127109A Expired FR1543704A (en) 1966-11-10 1967-11-06 Optical method for determining the geometric defects of a surface of imposed shape, and device for implementing this method

Country Status (1)

Country Link
FR (1) FR1543704A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2217670A1 (en) * 1972-10-30 1974-09-06 Ibm
FR2449880A1 (en) * 1978-10-24 1980-09-19 Fiat Ricerche METHOD AND APPARATUS FOR DETECTING SURFACE DEFECTS ON A WORKPIECE
FR2679025A1 (en) * 1991-07-08 1993-01-15 Framatome Sa Method and device for checking a surface

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2217670A1 (en) * 1972-10-30 1974-09-06 Ibm
FR2449880A1 (en) * 1978-10-24 1980-09-19 Fiat Ricerche METHOD AND APPARATUS FOR DETECTING SURFACE DEFECTS ON A WORKPIECE
FR2679025A1 (en) * 1991-07-08 1993-01-15 Framatome Sa Method and device for checking a surface

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