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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9812091D0 (en) * | 1998-06-05 | 1998-08-05 | Glaverbel | Defect detecting unit |
-
1974
- 1974-06-26 SE SE7408448A patent/SE383204B/xx not_active IP Right Cessation
-
1975
- 1975-05-15 JP JP5791175A patent/JPS5124290A/ja active Pending
- 1975-06-24 CA CA230,015A patent/CA1011582A/en not_active Expired
- 1975-06-25 CH CH827975A patent/CH597590A5/de not_active IP Right Cessation
- 1975-06-26 AT AT491075A patent/AT349242B/de not_active IP Right Cessation
- 1975-06-26 NL NL7507639A patent/NL7507639A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CH597590A5 (en) | 1978-04-14 |
CA1011582A (en) | 1977-06-07 |
JPS5124290A (ja) | 1976-02-27 |
SE383204B (sv) | 1976-03-01 |
ATA491075A (de) | 1978-08-15 |
AT349242B (de) | 1979-03-26 |
NL7507639A (nl) | 1975-12-30 |
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Legal Events
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---|---|---|---|
NUG | Patent has lapsed |
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