IT1029407B - Apparecchio per determinare difetti sulla superfice di un materiale riflettente in moto - Google Patents

Apparecchio per determinare difetti sulla superfice di un materiale riflettente in moto

Info

Publication number
IT1029407B
IT1029407B IT47925/75A IT4792575A IT1029407B IT 1029407 B IT1029407 B IT 1029407B IT 47925/75 A IT47925/75 A IT 47925/75A IT 4792575 A IT4792575 A IT 4792575A IT 1029407 B IT1029407 B IT 1029407B
Authority
IT
Italy
Prior art keywords
motion
reflective material
determining defects
defects
determining
Prior art date
Application number
IT47925/75A
Other languages
English (en)
Italian (it)
Original Assignee
Ciba Geigy Ag
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 Ciba Geigy Ag filed Critical Ciba Geigy Ag
Application granted granted Critical
Publication of IT1029407B publication Critical patent/IT1029407B/it

Links

Classifications

    • 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

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
IT47925/75A 1974-02-01 1975-01-30 Apparecchio per determinare difetti sulla superfice di un materiale riflettente in moto IT1029407B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2404972A DE2404972A1 (de) 1974-02-01 1974-02-01 Vorrichtung zur ermittlung von fehlstellen auf der oberflaeche eines bewegten reflektierenden materials

Publications (1)

Publication Number Publication Date
IT1029407B true IT1029407B (it) 1979-03-10

Family

ID=5906403

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47925/75A IT1029407B (it) 1974-02-01 1975-01-30 Apparecchio per determinare difetti sulla superfice di un materiale riflettente in moto

Country Status (9)

Country Link
US (1) US3992111A (en, 2012)
JP (1) JPS50110381A (en, 2012)
BE (1) BE825041A (en, 2012)
CA (1) CA1047621A (en, 2012)
CH (1) CH601793A5 (en, 2012)
DE (1) DE2404972A1 (en, 2012)
FR (1) FR2260100B1 (en, 2012)
GB (1) GB1484537A (en, 2012)
IT (1) IT1029407B (en, 2012)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030835A (en) * 1976-05-28 1977-06-21 Rca Corporation Defect detection system
DE2700004A1 (de) * 1977-01-03 1978-07-06 Sick Optik Elektronik Erwin Elektro-optische faltenueberwachungsvorrichtung
JPS5389794A (en) * 1977-01-19 1978-08-07 Kobe Steel Ltd Defect inspecting apparatus
US4265545A (en) * 1979-07-27 1981-05-05 Intec Corporation Multiple source laser scanning inspection system
US4533245A (en) * 1982-09-30 1985-08-06 Milliken Research Corporation Inspection lighting system
US4563095A (en) * 1982-12-20 1986-01-07 Essex Group, Inc. Method and apparatus for monitoring the surface of elongated objects
US4634876A (en) * 1983-05-13 1987-01-06 Canon Kabushiki Kaisha Object position detecting apparatus using accumulation type sensor
DE3446355C2 (de) * 1984-12-19 1986-11-06 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optisches Fehlersuchgerät
DE3800053A1 (de) * 1988-01-04 1989-07-13 Sick Optik Elektronik Erwin Optische fehlerinspektionsvorrichtung
US4875780A (en) * 1988-02-25 1989-10-24 Eastman Kodak Company Method and apparatus for inspecting reticles
DE3806382A1 (de) * 1988-02-29 1989-09-07 Feldmuehle Ag Verfahren und vorrichtung zum pruefen von laufenden transparenten bahnen
US5127726A (en) * 1989-05-19 1992-07-07 Eastman Kodak Company Method and apparatus for low angle, high resolution surface inspection
DE3926349A1 (de) * 1989-08-09 1991-02-14 Sick Optik Elektronik Erwin Optische fehlerinspektionsvorrichtung
US5861078A (en) * 1993-08-12 1999-01-19 Cmd Corporation Method and apparatus for detecting a seal on a plastic bag
US5488480A (en) * 1994-02-16 1996-01-30 Cmd Corporation Apparatus and method for detecting a heat seal in a moving plastic film
JPH07151706A (ja) * 1993-09-03 1995-06-16 Minnesota Mining & Mfg Co <3M> 物品の欠陥検知装置及びその使用方法
US5469262A (en) * 1994-07-12 1995-11-21 Fairbanks Inc. Dimension-measuring apparatus
US6914679B2 (en) * 2001-12-18 2005-07-05 Cognex Technology And Investment Corporation Side light apparatus and method
CN119044180A (zh) * 2024-10-30 2024-11-29 慧三维智能科技(苏州)有限公司 一种反光膜表面三维缺陷形貌检测装置及检测方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE666513C (de) * 1927-09-01 1938-10-21 Hans Richter Dr Anordnung zur Pruefung von Koerpern auf ihre optischen Eigenschaften
US1860967A (en) * 1929-06-17 1932-05-31 Tate Alfred Orde Apparatus for treating light and similar rays
US2208420A (en) * 1938-06-08 1940-07-16 Westinghouse Electric & Mfg Co Registration control system
US2246501A (en) * 1939-03-01 1941-06-24 Champion Paper & Fibre Co Glossmeter
US3052168A (en) * 1958-01-17 1962-09-04 Reed Res Inc Automatic camera
GB880135A (en) * 1959-02-24 1961-10-18 Gen Electric Co Ltd Improvements in or relating to the examination of sheet material
US3330961A (en) * 1964-04-15 1967-07-11 Eastman Kodak Co Photoelectric skip detector for use with a viscous layer applicator
US3202043A (en) * 1964-10-02 1965-08-24 Pittsburgh Plate Glass Co Method and apparatus for photoelectrically inspecting glass
US3618063A (en) * 1970-02-11 1971-11-02 Eastman Kodak Co Defect inspection apparatus
US3666370A (en) * 1970-07-15 1972-05-30 Bethlehem Steel Corp Strip flatness inspection method

Also Published As

Publication number Publication date
CH601793A5 (en, 2012) 1978-07-14
GB1484537A (en) 1977-09-01
FR2260100B1 (en, 2012) 1977-04-15
CA1047621A (en) 1979-01-30
JPS50110381A (en, 2012) 1975-08-30
US3992111A (en) 1976-11-16
DE2404972A1 (de) 1975-08-07
FR2260100A1 (en, 2012) 1975-08-29
BE825041A (fr) 1975-07-31

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