FR2299624A1 - Procede et dispositif pour la determination des etats de surface - Google Patents

Procede et dispositif pour la determination des etats de surface

Info

Publication number
FR2299624A1
FR2299624A1 FR7432523A FR7432523A FR2299624A1 FR 2299624 A1 FR2299624 A1 FR 2299624A1 FR 7432523 A FR7432523 A FR 7432523A FR 7432523 A FR7432523 A FR 7432523A FR 2299624 A1 FR2299624 A1 FR 2299624A1
Authority
FR
France
Prior art keywords
light
specular reflection
involves comparing
surface roughness
diffused
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.)
Granted
Application number
FR7432523A
Other languages
English (en)
Other versions
FR2299624B1 (fr
Inventor
Francoise Berny
Christian Imbert
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7432523A priority Critical patent/FR2299624A1/fr
Publication of FR2299624A1 publication Critical patent/FR2299624A1/fr
Application granted granted Critical
Publication of FR2299624B1 publication Critical patent/FR2299624B1/fr
Granted legal-status Critical Current

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR7432523A 1974-09-26 1974-09-26 Procede et dispositif pour la determination des etats de surface Granted FR2299624A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7432523A FR2299624A1 (fr) 1974-09-26 1974-09-26 Procede et dispositif pour la determination des etats de surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7432523A FR2299624A1 (fr) 1974-09-26 1974-09-26 Procede et dispositif pour la determination des etats de surface

Publications (2)

Publication Number Publication Date
FR2299624A1 true FR2299624A1 (fr) 1976-08-27
FR2299624B1 FR2299624B1 (fr) 1977-11-10

Family

ID=9143478

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7432523A Granted FR2299624A1 (fr) 1974-09-26 1974-09-26 Procede et dispositif pour la determination des etats de surface

Country Status (1)

Country Link
FR (1) FR2299624A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4525630A (en) * 1981-08-11 1985-06-25 De La Rue Systems Limited Apparatus for detecting tape on sheets

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3388259A (en) * 1965-03-22 1968-06-11 Gen Precision Systems Inc Photosensitive surface finish indicator
GB1286598A (en) * 1969-02-08 1972-08-23 Nippon Kogaku Kk Optical device for examining profile or roughness of a surface of a specimen by an optical intersection method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3388259A (en) * 1965-03-22 1968-06-11 Gen Precision Systems Inc Photosensitive surface finish indicator
GB1286598A (en) * 1969-02-08 1972-08-23 Nippon Kogaku Kk Optical device for examining profile or roughness of a surface of a specimen by an optical intersection method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4525630A (en) * 1981-08-11 1985-06-25 De La Rue Systems Limited Apparatus for detecting tape on sheets

Also Published As

Publication number Publication date
FR2299624B1 (fr) 1977-11-10

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Legal Events

Date Code Title Description
ST Notification of lapse