FR2574934B1 - Dispositif comparateur optoelectronique pour structures sur surfaces planes ou pour structures planes - Google Patents

Dispositif comparateur optoelectronique pour structures sur surfaces planes ou pour structures planes

Info

Publication number
FR2574934B1
FR2574934B1 FR858518840A FR8518840A FR2574934B1 FR 2574934 B1 FR2574934 B1 FR 2574934B1 FR 858518840 A FR858518840 A FR 858518840A FR 8518840 A FR8518840 A FR 8518840A FR 2574934 B1 FR2574934 B1 FR 2574934B1
Authority
FR
France
Prior art keywords
structures
planar
optoelectronic
comparator device
planar surfaces
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
FR858518840A
Other languages
English (en)
Other versions
FR2574934A1 (fr
Inventor
Erwin Sick
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.)
Erwin Sick GmbH Optik Elektronik
Original Assignee
Erwin Sick GmbH Optik Elektronik
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 Erwin Sick GmbH Optik Elektronik filed Critical Erwin Sick GmbH Optik Elektronik
Publication of FR2574934A1 publication Critical patent/FR2574934A1/fr
Application granted granted Critical
Publication of FR2574934B1 publication Critical patent/FR2574934B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/12—Scanning systems using multifaceted mirrors
    • G02B26/123—Multibeam scanners, e.g. using multiple light sources or beam splitters
    • 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)
  • Mechanical Optical Scanning Systems (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
  • Facsimile Scanning Arrangements (AREA)
FR858518840A 1984-12-19 1985-12-19 Dispositif comparateur optoelectronique pour structures sur surfaces planes ou pour structures planes Expired FR2574934B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843446354 DE3446354A1 (de) 1984-12-19 1984-12-19 Optoelektronische vergleichsvorrichtung fuer strukturen auf ebenen oberflaechen oder fuer flaechige strukturen

Publications (2)

Publication Number Publication Date
FR2574934A1 FR2574934A1 (fr) 1986-06-20
FR2574934B1 true FR2574934B1 (fr) 1989-04-21

Family

ID=6253232

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858518840A Expired FR2574934B1 (fr) 1984-12-19 1985-12-19 Dispositif comparateur optoelectronique pour structures sur surfaces planes ou pour structures planes

Country Status (5)

Country Link
US (1) US4681453A (fr)
JP (1) JPS61149849A (fr)
DE (1) DE3446354A1 (fr)
FR (1) FR2574934B1 (fr)
GB (1) GB2169097B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3635271C1 (de) * 1986-10-16 1987-10-29 Sick Optik Elektronik Erwin Lichtvorhangsvorrichtung
US4863228A (en) * 1987-02-10 1989-09-05 Nakamichi Corporation Apparatus and a method of deflecting laser convergent light
DE3800543A1 (de) * 1988-01-12 1989-07-20 Feldmuehle Ag Vorrichtung zum pruefen von sich mit hoher geschwindigkeit bewegenden bahnfoermigen flaechengebilden
JPH0762654B2 (ja) * 1988-10-25 1995-07-05 松下電器産業株式会社 実装基板検査装置
JPH0580497A (ja) * 1991-09-20 1993-04-02 Canon Inc 面状態検査装置
KR100346687B1 (ko) * 1998-10-23 2002-10-30 삼성전자 주식회사 멀티광주사유니트

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1176398B (de) * 1959-11-23 1964-08-20 Kugelfischer G Schaefer & Co Optische Vorrichtung zur Pruefung reflektierender Oberflaechen mit gerader Erzeugender
BE620045A (fr) * 1961-07-11
GB1436124A (en) * 1972-07-29 1976-05-19 Ferranti Ltd Detection of blemishes in surfaces
JPS5248031B2 (fr) * 1974-05-13 1977-12-07
US3944369A (en) * 1974-05-24 1976-03-16 Bell Telephone Laboratories, Incorporated Optical comparator system to separate unacceptable defects from acceptable edge aberrations
DE2433682C3 (de) * 1974-07-12 1979-02-15 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Vorrichtung zur Überwachung einer Materialbahn oder einer sonstigen Abtastebene
US3936261A (en) * 1974-09-20 1976-02-03 Vistron Corporation Apparatus for manufacturing brushes
US4065212A (en) * 1975-06-30 1977-12-27 International Business Machines Corporation Inspection tool
US4240750A (en) * 1978-10-02 1980-12-23 Hurd William A Automatic circuit board tester
US4260899A (en) * 1979-06-14 1981-04-07 Intec Corporation Wide web laser scanner flaw detection method and apparatus
DE2925734C3 (de) * 1979-06-26 1982-06-24 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Optisches Fehlersuchgerät für Materialbahnen
JPS6017044B2 (ja) * 1979-07-23 1985-04-30 株式会社日立製作所 印刷配線板のパタ−ン検査装置
DD215399A1 (de) * 1983-06-01 1984-11-07 Mansfeld Kombinat W Pieck Veb Verfahren und vorrichtung zur erkennung von fehlern auf oberflaechenschichten

Also Published As

Publication number Publication date
US4681453A (en) 1987-07-21
JPS61149849A (ja) 1986-07-08
DE3446354C2 (fr) 1988-02-25
DE3446354A1 (de) 1986-06-26
GB8530305D0 (en) 1986-01-22
GB2169097A (en) 1986-07-02
FR2574934A1 (fr) 1986-06-20
GB2169097B (en) 1988-08-17

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Legal Events

Date Code Title Description
ST Notification of lapse