FR987476A - Thickness comparator - Google Patents

Thickness comparator

Info

Publication number
FR987476A
FR987476A FR987476DA FR987476A FR 987476 A FR987476 A FR 987476A FR 987476D A FR987476D A FR 987476DA FR 987476 A FR987476 A FR 987476A
Authority
FR
France
Prior art keywords
thickness comparator
comparator
thickness
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
Francis-Leon Bompard
Raymond Pinet
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 FR987476A publication Critical patent/FR987476A/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
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR987476D 1943-01-08 1943-01-08 Thickness comparator Expired FR987476A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR987476T 1943-01-08

Publications (1)

Publication Number Publication Date
FR987476A true FR987476A (en) 1951-08-14

Family

ID=9538909

Family Applications (1)

Application Number Title Priority Date Filing Date
FR987476D Expired FR987476A (en) 1943-01-08 1943-01-08 Thickness comparator

Country Status (1)

Country Link
FR (1) FR987476A (en)

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