SE7408448L - - Google Patents

Info

Publication number
SE7408448L
SE7408448L SE7408448A SE7408448A SE7408448L SE 7408448 L SE7408448 L SE 7408448L SE 7408448 A SE7408448 A SE 7408448A SE 7408448 A SE7408448 A SE 7408448A SE 7408448 L SE7408448 L SE 7408448L
Authority
SE
Sweden
Prior art keywords
defects
filter
diffraction pattern
pattern formed
projected onto
Prior art date
Application number
SE7408448A
Other languages
English (en)
Other versions
SE383204B (sv
Inventor
L Millgard
Original Assignee
Nordstjernan Rederi 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 Nordstjernan Rederi Ab filed Critical Nordstjernan Rederi Ab
Priority to SE7408448A priority Critical patent/SE383204B/xx
Publication of SE7408448L publication Critical patent/SE7408448L/
Priority to JP5791175A priority patent/JPS5124290A/ja
Priority to CA230,015A priority patent/CA1011582A/en
Priority to CH827975A priority patent/CH597590A5/de
Priority to NL7507639A priority patent/NL7507639A/xx
Priority to AT491075A priority patent/AT349242B/de
Publication of SE383204B publication Critical patent/SE383204B/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901—Optical details; Scanning details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Length Measuring Devices By Optical Means (AREA)
SE7408448A 1974-06-26 1974-06-26 Sett for klassificering av ytfel hos materialytor. SE383204B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE7408448A SE383204B (sv) 1974-06-26 1974-06-26 Sett for klassificering av ytfel hos materialytor.
JP5791175A JPS5124290A (ja) 1974-06-26 1975-05-15 Zairyohyomenchunohyomensonshoobunruisuruhohooyobisochi
CA230,015A CA1011582A (en) 1974-06-26 1975-06-24 Optical method and apparatus for classifying surface defects
CH827975A CH597590A5 (en) 1974-06-26 1975-06-25 Defects in material surface classified by diffraction pattern
NL7507639A NL7507639A (nl) 1974-06-26 1975-06-26 Werkwijze en inrichting voor het klassificeren van oppervlaktefouten in materiaaloppervlakken.
AT491075A AT349242B (de) 1974-06-26 1975-06-26 Verfahren zur klassifikation von oberflaechenfehlern eines prueflings sowie vorrichtung zur durchfuehrung des verfahrens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7408448A SE383204B (sv) 1974-06-26 1974-06-26 Sett for klassificering av ytfel hos materialytor.

Publications (2)

Publication Number Publication Date
SE7408448L true SE7408448L ( ) 1974-12-27
SE383204B SE383204B (sv) 1976-03-01

Family

ID=20321557

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7408448A SE383204B (sv) 1974-06-26 1974-06-26 Sett for klassificering av ytfel hos materialytor.

Country Status (6)

Country Link
JP (1) JPS5124290A ( )
AT (1) AT349242B ( )
CA (1) CA1011582A ( )
CH (1) CH597590A5 ( )
NL (1) NL7507639A ( )
SE (1) SE383204B ( )

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9812091D0 (en) * 1998-06-05 1998-08-05 Glaverbel Defect detecting unit

Also Published As

Publication number Publication date
ATA491075A (de) 1978-08-15
JPS5124290A (ja) 1976-02-27
NL7507639A (nl) 1975-12-30
CH597590A5 (en) 1978-04-14
SE383204B (sv) 1976-03-01
AT349242B (de) 1979-03-26
CA1011582A (en) 1977-06-07

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