DE3364260D1 - Device for the detection of faults on a workpiece - Google Patents

Device for the detection of faults on a workpiece

Info

Publication number
DE3364260D1
DE3364260D1 DE8383400779T DE3364260T DE3364260D1 DE 3364260 D1 DE3364260 D1 DE 3364260D1 DE 8383400779 T DE8383400779 T DE 8383400779T DE 3364260 T DE3364260 T DE 3364260T DE 3364260 D1 DE3364260 D1 DE 3364260D1
Authority
DE
Germany
Prior art keywords
faults
workpiece
detection
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
DE8383400779T
Other languages
English (en)
Inventor
Jean Fernand Vaerman
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.)
Safran Aircraft Engines SAS
Original Assignee
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
SNECMA SAS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9273424&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3364260(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Application granted granted Critical
Publication of DE3364260D1 publication Critical patent/DE3364260D1/de
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
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence

Landscapes

  • 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)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
DE8383400779T 1982-04-27 1983-04-20 Device for the detection of faults on a workpiece Expired DE3364260D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8207202A FR2525772A1 (fr) 1982-04-27 1982-04-27 Dispositif de detection de defauts sur une piece

Publications (1)

Publication Number Publication Date
DE3364260D1 true DE3364260D1 (en) 1986-07-31

Family

ID=9273424

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383400779T Expired DE3364260D1 (en) 1982-04-27 1983-04-20 Device for the detection of faults on a workpiece

Country Status (4)

Country Link
US (1) US4536654A (de)
EP (1) EP0093636B1 (de)
DE (1) DE3364260D1 (de)
FR (1) FR2525772A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3422395A1 (de) * 1983-06-16 1985-01-17 Hitachi, Ltd., Tokio/Tokyo Verfahren und vorrichtung zum ermitteln von verdrahtungsmustern
JPS60198532A (ja) * 1984-03-23 1985-10-08 Fuji Photo Film Co Ltd 放射線画像情報読取装置
US4692690A (en) * 1983-12-26 1987-09-08 Hitachi, Ltd. Pattern detecting apparatus
US4675728A (en) * 1985-03-01 1987-06-23 C.T.S. Consulting Personnel Svcs., Inc. Apparatus for performing internal inspection of piping
JPS61290311A (ja) * 1985-06-19 1986-12-20 Hitachi Ltd はんだ付部の検査装置及びその方法
US5087670A (en) * 1986-07-10 1992-02-11 Minnesota Mining And Manufacturing Company Process for fluorimetric monitoring of functional coatings and compositions and fluorescent agents therefor
US5270116A (en) * 1986-07-10 1993-12-14 Minnesota Mining And Manufacturing Company Process for fluorimetric monitoring of functional coatings and compositions and fluorescent agents therefor
US4922113A (en) * 1986-07-10 1990-05-01 Minnesota Mining And Manufacturing Company Process for fluorimetric monitoring of functional coatings and compositions and fluorescent agents therefor
US4978731A (en) * 1986-07-10 1990-12-18 Minnesota Mining And Manufacturing Company Process for fluorimetric monitoring of functional coatings and compositions and fluorescent agents therefor
US4968892A (en) * 1986-12-24 1990-11-06 General Electric Eompany Fluorescent penetrant inspection sensor
US4929837A (en) * 1987-03-23 1990-05-29 The United States Of America As Represented By The Secretary Of The Navy Method for detecting pinholes and incomplete coverage of hermetic coatings on optical fiber waveguides
US5182316A (en) * 1989-05-31 1993-01-26 Minnesota Mining And Manufacturing Company Fluorescent degree of cure monitors
US5047444A (en) * 1989-05-31 1991-09-10 Minnesota Mining And Manufacturing Company Fluorescent degree of cure monitors
US5118559A (en) * 1989-05-31 1992-06-02 Minnesota Mining And Manufacturing Company Fluorescent degree of cure monitors

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3774030A (en) * 1972-06-02 1973-11-20 Magnaflux Corp Defect detecting and indicating means for non-destructive testing
US4087685A (en) * 1977-01-11 1978-05-02 International Business Machines Corporation Fluorescent microanalytical system and method for detecting and identifying organic materials
JPS53135660A (en) * 1977-04-30 1978-11-27 Olympus Optical Co Ltd Fluorescent photometric microscope using laser light
US4162405A (en) * 1978-05-23 1979-07-24 Britton Chance Flying spot fluoro-meter for oxidized flavoprotein and reduced pyridine nucleotide
US4330205A (en) * 1979-01-12 1982-05-18 Tokyo Shibaura Denki Kabushiki Kaisha Optical apparatus for measuring the size and location of optical in an article
FR2483664B1 (fr) * 1980-05-28 1985-06-28 Thomson Csf Dispositif optique d'enregistrement-lecture sur un support d'informations et systeme de memoire optique comprenant un tel dispositif
ATE13594T1 (de) * 1980-10-17 1985-06-15 Brent Chemicals Int Verfahren und einrichtung zum pruefen von einem werkstueck.

Also Published As

Publication number Publication date
US4536654A (en) 1985-08-20
FR2525772B1 (de) 1984-11-09
FR2525772A1 (fr) 1983-10-28
EP0093636A1 (de) 1983-11-09
EP0093636B1 (de) 1986-06-25

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation