FR2526937B1 - METHOD AND APPARATUS FOR NON-CONTACT MEASUREMENT OF THE THICKNESS OF SURFACE COATINGS - Google Patents

METHOD AND APPARATUS FOR NON-CONTACT MEASUREMENT OF THE THICKNESS OF SURFACE COATINGS

Info

Publication number
FR2526937B1
FR2526937B1 FR8208862A FR8208862A FR2526937B1 FR 2526937 B1 FR2526937 B1 FR 2526937B1 FR 8208862 A FR8208862 A FR 8208862A FR 8208862 A FR8208862 A FR 8208862A FR 2526937 B1 FR2526937 B1 FR 2526937B1
Authority
FR
France
Prior art keywords
thickness
surface coatings
contact measurement
measurement
coatings
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
FR8208862A
Other languages
French (fr)
Other versions
FR2526937A1 (en
Inventor
Daniel Garcia
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.)
GERZAT METALLURG
Original Assignee
GERZAT METALLURG
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 GERZAT METALLURG filed Critical GERZAT METALLURG
Priority to FR8208862A priority Critical patent/FR2526937B1/en
Publication of FR2526937A1 publication Critical patent/FR2526937A1/en
Application granted granted Critical
Publication of FR2526937B1 publication Critical patent/FR2526937B1/en
Expired 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
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • G01B7/105—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring thickness of coating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B13/00—Measuring arrangements characterised by the use of fluids
    • G01B13/02—Measuring arrangements characterised by the use of fluids for measuring length, width or thickness
    • G01B13/06—Measuring arrangements characterised by the use of fluids for measuring length, width or thickness for measuring thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
FR8208862A 1982-05-13 1982-05-13 METHOD AND APPARATUS FOR NON-CONTACT MEASUREMENT OF THE THICKNESS OF SURFACE COATINGS Expired FR2526937B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8208862A FR2526937B1 (en) 1982-05-13 1982-05-13 METHOD AND APPARATUS FOR NON-CONTACT MEASUREMENT OF THE THICKNESS OF SURFACE COATINGS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8208862A FR2526937B1 (en) 1982-05-13 1982-05-13 METHOD AND APPARATUS FOR NON-CONTACT MEASUREMENT OF THE THICKNESS OF SURFACE COATINGS

Publications (2)

Publication Number Publication Date
FR2526937A1 FR2526937A1 (en) 1983-11-18
FR2526937B1 true FR2526937B1 (en) 1986-01-03

Family

ID=9274224

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8208862A Expired FR2526937B1 (en) 1982-05-13 1982-05-13 METHOD AND APPARATUS FOR NON-CONTACT MEASUREMENT OF THE THICKNESS OF SURFACE COATINGS

Country Status (1)

Country Link
FR (1) FR2526937B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658633A (en) * 1985-11-15 1987-04-21 View Engineering, Inc. Apparatus and method for measuring properties of cylindrical objects
US5355083A (en) * 1988-11-16 1994-10-11 Measurex Corporation Non-contact sensor and method using inductance and laser distance measurements for measuring the thickness of a layer of material overlaying a substrate
US5062298A (en) * 1989-12-05 1991-11-05 E. I. Du Pont De Nemours And Company Non-contact wet or dry film thickness measuring device using eddy current and ultrasonic sensors

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2014071A1 (en) * 1970-03-24 1971-10-07 Bayer Pneumatic layer thickness measurement
CH650077A5 (en) * 1980-09-15 1985-06-28 Buehler Ag Geb METHOD AND DEVICE FOR MEASURING THE THICKNESS OF THE PRODUCT LAYER ON A ROLL OF A ROLLING MILL FOR FINE GRINDING.

Also Published As

Publication number Publication date
FR2526937A1 (en) 1983-11-18

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Legal Events

Date Code Title Description
ST Notification of lapse