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
Unknown language ( )
Other versions
SE383204B (en
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/en
Publication of SE7408448L publication Critical patent/SE7408448L/
Priority to JP5791175A priority patent/JPS5124290A/en
Priority to CA230,015A priority patent/CA1011582A/en
Priority to CH827975A priority patent/CH597590A5/en
Priority to AT491075A priority patent/AT349242B/en
Priority to NL7507639A priority patent/NL7507639A/en
Publication of SE383204B publication Critical patent/SE383204B/en

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)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (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)

Abstract

Defects in material surface classified by diffraction pattern formed by light projected onto surface passing through filter
SE7408448A 1974-06-26 1974-06-26 SET FOR CLASSIFICATION OF SURFACES ON MATERIAL SURFACES. SE383204B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE7408448A SE383204B (en) 1974-06-26 1974-06-26 SET FOR CLASSIFICATION OF SURFACES ON MATERIAL SURFACES.
JP5791175A JPS5124290A (en) 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
AT491075A AT349242B (en) 1974-06-26 1975-06-26 PROCEDURE FOR CLASSIFICATION OF SURFACE DEFECTS OF A DUTY AND DEVICE FOR CARRYING OUT THE PROCEDURE
NL7507639A NL7507639A (en) 1974-06-26 1975-06-26 METHOD AND DEVICE FOR CLASSIFYING SURFACE FAULTS IN MATERIAL SURFACES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7408448A SE383204B (en) 1974-06-26 1974-06-26 SET FOR CLASSIFICATION OF SURFACES ON MATERIAL SURFACES.

Publications (2)

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

Family

ID=20321557

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7408448A SE383204B (en) 1974-06-26 1974-06-26 SET FOR CLASSIFICATION OF SURFACES ON MATERIAL SURFACES.

Country Status (6)

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

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

Similar Documents

Publication Publication Date Title
AR219475A1 (en) APPARATUS FOR SORTING MATERIAL PARTS
TR18792A (en) BUDINOEZ FOR TREATING SYNTHETIC MATERIALS
BR7402113D0 (en) GASKET COMPOSITION FOR LENS TEMPLATE
AU8554575A (en) Movable surface apparatus
ATA846175A (en) LIGHTING DEVICE IN A PROJECTION COPIER
TR18948A (en) APPARATUS FOR THE TREATMENT OF A WOVEN SURFACE IN THE STREET FORM
GB1547278A (en) Photographic materials suited for the production of colour separations
GB1540158A (en) Apparatus for detecting defects in patterns
SE7512803L (en) KIT AND APPARATUS FOR AUTOMATIC STRETCH ROLLING
CH613469A5 (en) Process for the preparation of a pigment composition in bead form
GB1554166A (en) Process for chemically embossing thermoplastic material
SE7408448L (en)
JPS5288384A (en) Light intensity measuring type dust measuring apparatus
JPS51120737A (en) Douser device for harmful lights in light beam scanning
JPS536025A (en) Projector with intermittently irradiating light source
ES384612A1 (en) Method of, and apparatus for, writing mask patterns on photographic material by means of light
AT349887B (en) ARRANGEMENT FOR CONTROLLING THE AMOUNT OF LIGHT FOR EXPOSURE LIGHT-SENSITIVE MATERIAL IN COPYING DEVICES FOR PRINTING PREPARATION
JPS5346074A (en) Photometer utilizing plane light source
GB2063478B (en) Magnetic particle inspection process and composition useable with simultaneous illumination by ultraviolet and white light
AR215993A1 (en) APPARATUS FOR TREATING MATERIAL IN HUMIDIZED PARTICLES WITH A DRYING GAS
CS192543B2 (en) Projection lens
MX3560E (en) METHOD FOR PREPARING CALCIUM HYPOCHLORITE IN COATED PARTICLES
JPS5262447A (en) Filter changing device for downward projection type flvorescence microscope
SE409103B (en) APPARATUS FOR PROCESSING COHERENT FORM MATERIAL
JPS51143540A (en) Method of forming transparent films of fine patterns

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7408448-4

Format of ref document f/p: F