GB2011087B - Electromagnetic inspection device employing foucault currents - Google Patents

Electromagnetic inspection device employing foucault currents

Info

Publication number
GB2011087B
GB2011087B GB7848395A GB7848395A GB2011087B GB 2011087 B GB2011087 B GB 2011087B GB 7848395 A GB7848395 A GB 7848395A GB 7848395 A GB7848395 A GB 7848395A GB 2011087 B GB2011087 B GB 2011087B
Authority
GB
United Kingdom
Prior art keywords
inspection device
device employing
foucault currents
electromagnetic inspection
electromagnetic
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
GB7848395A
Other languages
English (en)
Other versions
GB2011087A (en
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.)
Institut de Recherches de la Siderurgie Francaise IRSID
Original Assignee
Institut de Recherches de la Siderurgie Francaise IRSID
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 Institut de Recherches de la Siderurgie Francaise IRSID filed Critical Institut de Recherches de la Siderurgie Francaise IRSID
Publication of GB2011087A publication Critical patent/GB2011087A/en
Application granted granted Critical
Publication of GB2011087B publication Critical patent/GB2011087B/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
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
    • G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
GB7848395A 1977-12-26 1978-12-13 Electromagnetic inspection device employing foucault currents Expired GB2011087B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7739415A FR2412841A1 (fr) 1977-12-26 1977-12-26 Dispositif electromagnetique d'inspection par courants de foucault

Publications (2)

Publication Number Publication Date
GB2011087A GB2011087A (en) 1979-07-04
GB2011087B true GB2011087B (en) 1982-12-01

Family

ID=9199414

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7848395A Expired GB2011087B (en) 1977-12-26 1978-12-13 Electromagnetic inspection device employing foucault currents

Country Status (7)

Country Link
BE (1) BE872785A (enrdf_load_stackoverflow)
DE (1) DE2855511A1 (enrdf_load_stackoverflow)
ES (1) ES476342A1 (enrdf_load_stackoverflow)
FR (1) FR2412841A1 (enrdf_load_stackoverflow)
GB (1) GB2011087B (enrdf_load_stackoverflow)
IT (1) IT1100737B (enrdf_load_stackoverflow)
LU (1) LU80697A1 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459476A1 (fr) * 1979-06-14 1981-01-09 Siderurgie Fse Inst Rech Procede et dispositif d'inspection de produits metalliques par courants de foucault
FR2515353A1 (fr) * 1981-10-27 1983-04-29 Siderurgie Fse Inst Rech Procede de detection de defauts d'un produit metallique par courants de foucault
US4644274A (en) * 1983-04-01 1987-02-17 General Electric Company Apparatus for supporting an eddy current probe used to scan an irregular surface
FR2562668B1 (fr) * 1984-04-05 1987-11-27 Sncf Dispositif de reperage de defauts de rails de chemin de fer par courants de foucault, capable de discriminer les defauts de certaines discontinuites de construction des rails
WO2006082334A1 (fr) * 2005-02-04 2006-08-10 Commissariat A L'energie Atomique Procédé réalisation d'une tête de contrôle à courants de foucault de grande dynamique et de haute résolution spatiale
FR2881826A1 (fr) 2005-02-04 2006-08-11 Commissariat Energie Atomique Procede de conception et de realisation d'un dispositif de controle a courants de foucault
CN114897797B (zh) * 2022-04-24 2025-04-04 武汉海微科技股份有限公司 印刷电路板的缺陷检测方法、装置、设备及存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE301731B (enrdf_load_stackoverflow) * 1966-02-24 1968-06-17 Essem Metotest Ab
GB1209423A (en) * 1969-03-12 1970-10-21 Gkn Group Services Ltd Improvements relating to apparatus for the detection of flaws
JPS5177378A (en) * 1974-12-27 1976-07-05 Nippon Kokan Kk Denjudoshikikenshutsusochi
DE2530816C3 (de) * 1975-07-10 1980-07-31 Institut Dr. Friedrich Foerster Pruefgeraetebau, 7410 Reutlingen Wirbelstromprüfgerät zum Abtasten der Oberfläche eines Prüfteils

Also Published As

Publication number Publication date
FR2412841B1 (enrdf_load_stackoverflow) 1981-10-02
DE2855511A1 (de) 1979-06-28
DE2855511C2 (enrdf_load_stackoverflow) 1989-07-13
ES476342A1 (es) 1979-04-16
BE872785A (fr) 1979-06-15
FR2412841A1 (fr) 1979-07-20
LU80697A1 (fr) 1979-07-20
GB2011087A (en) 1979-07-04
IT1100737B (it) 1985-09-28
IT7830945A0 (it) 1978-12-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921213