FR2468876B3 - - Google Patents

Info

Publication number
FR2468876B3
FR2468876B3 FR8023216A FR8023216A FR2468876B3 FR 2468876 B3 FR2468876 B3 FR 2468876B3 FR 8023216 A FR8023216 A FR 8023216A FR 8023216 A FR8023216 A FR 8023216A FR 2468876 B3 FR2468876 B3 FR 2468876B3
Authority
FR
France
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
FR8023216A
Other languages
French (fr)
Other versions
FR2468876A1 (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.)
Centro Ricerche Fiat SCpA
Original Assignee
Centro Ricerche Fiat SCpA
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 Centro Ricerche Fiat SCpA filed Critical Centro Ricerche Fiat SCpA
Publication of FR2468876A1 publication Critical patent/FR2468876A1/fr
Application granted granted Critical
Publication of FR2468876B3 publication Critical patent/FR2468876B3/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
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
FR8023216A 1979-10-31 1980-10-30 Procede et appareil de mesure de l'epaisseur d'une couche superficielle dans une piece metallique Granted FR2468876A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT69132/79A IT1119559B (it) 1979-10-31 1979-10-31 Procedimento e dispositivo per la misura della profondita di uno strato superficiale di un pezzo metallico avente caratteristiche fisiche differenti da quelle della parte rimamente

Publications (2)

Publication Number Publication Date
FR2468876A1 FR2468876A1 (fr) 1981-05-08
FR2468876B3 true FR2468876B3 (show.php) 1983-04-08

Family

ID=11311415

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8023216A Granted FR2468876A1 (fr) 1979-10-31 1980-10-30 Procede et appareil de mesure de l'epaisseur d'une couche superficielle dans une piece metallique

Country Status (5)

Country Link
JP (1) JPS5673305A (show.php)
DE (1) DE3040926A1 (show.php)
FR (1) FR2468876A1 (show.php)
GB (1) GB2062241B (show.php)
IT (1) IT1119559B (show.php)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2556335B2 (ja) * 1987-09-08 1996-11-20 住友特殊金属 株式会社 電磁変換素子用複合基板のＩｎＳｂ単結晶ウエハ−厚み測定方法
GB2274712B (en) * 1993-01-22 1997-01-15 Brecknell Willis & Co Ltd Non-destructive testing of composite conductor rails
US7443177B1 (en) * 2005-05-31 2008-10-28 Iowa State University Research Foundation, Inc. Characterization of conductor by alternating current potential-drop method with a four-point probe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1895643A (en) * 1929-03-05 1933-01-31 Standard Oil Co California Method of and apparatus for measuring the thickness of metal
US2854626A (en) * 1954-12-31 1958-09-30 Davidson Martin Plating thickness indicator
US3365663A (en) * 1962-06-29 1968-01-23 Shin Mitsubishi Jukogyo Kk Thickness measuring instrument for electro-conductive objects and associated methods
SE320676B (show.php) * 1968-03-14 1970-02-16 Aka Ab Apparatkemiska

Also Published As

Publication number Publication date
FR2468876A1 (fr) 1981-05-08
IT1119559B (it) 1986-03-10
GB2062241B (en) 1983-12-07
DE3040926A1 (de) 1981-09-03
GB2062241A (en) 1981-05-20
IT7969132A0 (it) 1979-10-31
JPS5673305A (en) 1981-06-18

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Legal Events

Date Code Title Description
ST Notification of lapse