FR1050073A - Method and apparatus for examining the structure of surfaces - Google Patents

Method and apparatus for examining the structure of surfaces

Info

Publication number
FR1050073A
FR1050073A FR1050073DA FR1050073A FR 1050073 A FR1050073 A FR 1050073A FR 1050073D A FR1050073D A FR 1050073DA FR 1050073 A FR1050073 A FR 1050073A
Authority
FR
France
Prior art keywords
examining
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)
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.)
CE Johansson AB
Original Assignee
CE Johansson AB
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 CE Johansson AB filed Critical CE Johansson AB
Application granted granted Critical
Publication of FR1050073A publication Critical patent/FR1050073A/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
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1050073D 1951-01-31 1952-01-31 Method and apparatus for examining the structure of surfaces Expired FR1050073A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1050073X 1951-01-31

Publications (1)

Publication Number Publication Date
FR1050073A true FR1050073A (en) 1954-01-05

Family

ID=20419246

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1050073D Expired FR1050073A (en) 1951-01-31 1952-01-31 Method and apparatus for examining the structure of surfaces

Country Status (1)

Country Link
FR (1) FR1050073A (en)

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