CA999136A - Device for measuring the roughness of a surface - Google Patents

Device for measuring the roughness of a surface

Info

Publication number
CA999136A
CA999136A CA186,045A CA186045A CA999136A CA 999136 A CA999136 A CA 999136A CA 186045 A CA186045 A CA 186045A CA 999136 A CA999136 A CA 999136A
Authority
CA
Canada
Prior art keywords
roughness
measuring
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
CA186,045A
Other languages
English (en)
Other versions
CA186045S (en
Inventor
Francois M. Mottier
Rene Dandliker
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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
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 BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Application granted granted Critical
Publication of CA999136A publication Critical patent/CA999136A/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
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
CA186,045A 1972-11-24 1973-11-16 Device for measuring the roughness of a surface Expired CA999136A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1707372A CH552197A (de) 1972-11-24 1972-11-24 Einrichtung zum messen der rauhigkeit einer oberflaeche.

Publications (1)

Publication Number Publication Date
CA999136A true CA999136A (en) 1976-11-02

Family

ID=4422545

Family Applications (1)

Application Number Title Priority Date Filing Date
CA186,045A Expired CA999136A (en) 1972-11-24 1973-11-16 Device for measuring the roughness of a surface

Country Status (11)

Country Link
US (1) US3922093A (nl)
JP (1) JPS4984462A (nl)
CA (1) CA999136A (nl)
CH (1) CH552197A (nl)
CS (1) CS258452B2 (nl)
DE (1) DE2260090C3 (nl)
FI (1) FI56453C (nl)
FR (1) FR2208107B1 (nl)
GB (1) GB1444780A (nl)
IT (1) IT999470B (nl)
SE (1) SE391238B (nl)

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Also Published As

Publication number Publication date
SE391238B (sv) 1977-02-07
CS804173A2 (en) 1988-01-15
FR2208107B1 (nl) 1977-03-11
FR2208107A1 (nl) 1974-06-21
CH552197A (de) 1974-07-31
FI56453B (fi) 1979-09-28
JPS4984462A (nl) 1974-08-14
US3922093A (en) 1975-11-25
DE2260090B2 (de) 1978-12-21
FI56453C (fi) 1980-01-10
DE2260090C3 (de) 1985-04-04
DE2260090A1 (de) 1974-05-30
GB1444780A (en) 1976-08-04
CS258452B2 (en) 1988-08-16
IT999470B (it) 1976-02-20

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