FR1130387A - Apparatus for measuring the thickness of surface layers - Google Patents

Apparatus for measuring the thickness of surface layers

Info

Publication number
FR1130387A
FR1130387A FR1130387DA FR1130387A FR 1130387 A FR1130387 A FR 1130387A FR 1130387D A FR1130387D A FR 1130387DA FR 1130387 A FR1130387 A FR 1130387A
Authority
FR
France
Prior art keywords
measuring
thickness
surface layers
layers
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
Other languages
French (fr)
Inventor
Jaroslav Binko
Vaclav Bruna
Jan Sevcik
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 filed Critical
Application granted granted Critical
Publication of FR1130387A publication Critical patent/FR1130387A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1130387D 1954-10-13 1955-08-29 Apparatus for measuring the thickness of surface layers Expired FR1130387A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS1130387X 1954-10-13

Publications (1)

Publication Number Publication Date
FR1130387A true FR1130387A (en) 1957-02-05

Family

ID=5457422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1130387D Expired FR1130387A (en) 1954-10-13 1955-08-29 Apparatus for measuring the thickness of surface layers

Country Status (1)

Country Link
FR (1) FR1130387A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1086901B (en) * 1958-12-31 1960-08-11 Vaclav Bruna Device for measuring the thickness of non-magnetic layers on ferromagnetic materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1086901B (en) * 1958-12-31 1960-08-11 Vaclav Bruna Device for measuring the thickness of non-magnetic layers on ferromagnetic materials

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