DE3720079A1 - Optischer abtastkopf - Google Patents

Optischer abtastkopf

Info

Publication number
DE3720079A1
DE3720079A1 DE19873720079 DE3720079A DE3720079A1 DE 3720079 A1 DE3720079 A1 DE 3720079A1 DE 19873720079 DE19873720079 DE 19873720079 DE 3720079 A DE3720079 A DE 3720079A DE 3720079 A1 DE3720079 A1 DE 3720079A1
Authority
DE
Germany
Prior art keywords
lens
scanning head
observation
light
measuring
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.)
Granted
Application number
DE19873720079
Other languages
German (de)
English (en)
Other versions
DE3720079C2 (enExample
Inventor
Ulrich Dr Breitmeier
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.)
Focus Messtechnik GmbH and Co KG
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6329815&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3720079(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to DE19873720079 priority Critical patent/DE3720079A1/de
Priority to DE8888905756T priority patent/DE3865641D1/de
Priority to EP88905756A priority patent/EP0318566B2/de
Priority to PCT/EP1988/000527 priority patent/WO1988010405A1/de
Priority to JP63505429A priority patent/JPH01503642A/ja
Priority to US07/328,587 priority patent/US4948984A/en
Publication of DE3720079A1 publication Critical patent/DE3720079A1/de
Application granted granted Critical
Publication of DE3720079C2 publication Critical patent/DE3720079C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Head (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
DE19873720079 1987-06-16 1987-06-16 Optischer abtastkopf Granted DE3720079A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE19873720079 DE3720079A1 (de) 1987-06-16 1987-06-16 Optischer abtastkopf
DE8888905756T DE3865641D1 (de) 1987-06-16 1988-06-14 Optischer abtastkopf.
EP88905756A EP0318566B2 (de) 1987-06-16 1988-06-14 Optischer abtastkopf
PCT/EP1988/000527 WO1988010405A1 (fr) 1987-06-16 1988-06-14 Tete de balayage optique
JP63505429A JPH01503642A (ja) 1987-06-16 1988-06-14 光学的走査ヘッド
US07/328,587 US4948984A (en) 1987-06-16 1988-07-14 Optical scanning head with objective position measuring and mirrors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873720079 DE3720079A1 (de) 1987-06-16 1987-06-16 Optischer abtastkopf

Publications (2)

Publication Number Publication Date
DE3720079A1 true DE3720079A1 (de) 1988-12-29
DE3720079C2 DE3720079C2 (enExample) 1991-01-03

Family

ID=6329815

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19873720079 Granted DE3720079A1 (de) 1987-06-16 1987-06-16 Optischer abtastkopf
DE8888905756T Expired - Fee Related DE3865641D1 (de) 1987-06-16 1988-06-14 Optischer abtastkopf.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8888905756T Expired - Fee Related DE3865641D1 (de) 1987-06-16 1988-06-14 Optischer abtastkopf.

Country Status (5)

Country Link
US (1) US4948984A (enExample)
EP (1) EP0318566B2 (enExample)
JP (1) JPH01503642A (enExample)
DE (2) DE3720079A1 (enExample)
WO (1) WO1988010405A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10118472C1 (de) * 2001-04-12 2002-08-29 Siemens Ag Kopfspule für ein Magnetresonanzgerät

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19506642C1 (de) * 1995-02-25 1996-03-21 Focus Mestechnik Gmbh & Co Kg Verfahren und Vorrichtung zum optischen Ausmessen der Oberflächenkontur eines Werkstückes
US5880465A (en) * 1996-05-31 1999-03-09 Kovex Corporation Scanning confocal microscope with oscillating objective lens
CN112985298B (zh) * 2021-02-08 2022-09-20 上海机器人产业技术研究院有限公司 一种基于显微ct的手机镜头尺寸测量方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2443167B2 (de) * 1974-09-10 1976-12-30 Gesellschaft für Strahlen- und Umweltforschung mbH, 8000 München Scharfeinstellvorrichtung
DE3216439A1 (de) * 1982-05-03 1983-11-03 Schott Glaswerke, 6500 Mainz Anordnung zur ausleuchtung von beobachtungsebenen in optischen geraeten
DE3219503C2 (de) * 1982-05-25 1985-08-08 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Vorrichtung zum selbsttätigen Fokussieren auf in optischen Geräten zu betrachtende Objekte
DE3610530A1 (de) * 1985-03-27 1986-10-02 Olympus Optical Co., Ltd., Tokio/Tokyo Oberflaechenstrukturmessgeraet
US4657357A (en) * 1984-10-23 1987-04-14 Tokyo Kogaku Kikai Kabushiki Kaisha Illumination system for single objective lens binocular microscope
DE3536700A1 (de) * 1985-10-15 1987-04-16 Ulrich Breitmeier Geraet zum ermitteln des lokalen abstandes einer pruefflaeche von einer referenzflaeche
DE3641048A1 (de) * 1985-12-02 1987-06-04 Olympus Optical Co Vorrichtung zur erkennung des fokussiergrades

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4433235A (en) * 1980-10-09 1984-02-21 Hitachi, Ltd. Focusing position detecting device in optical magnifying and observing apparatus
JPS5999304A (ja) * 1982-11-30 1984-06-08 Asahi Optical Co Ltd 顕微鏡系のレーザ光による比較測長装置
CA1216169A (en) * 1983-05-23 1987-01-06 Joseph A. Freilino Method of determining surface roughness using a visible and infrared laser source
JPS60132616U (ja) * 1984-02-13 1985-09-04 パイオニア株式会社 記録装置
US4593368A (en) * 1984-06-04 1986-06-03 Kollmorgen Technologies Corporation Technique for measuring very small spacings
US4563058A (en) * 1984-06-28 1986-01-07 International Business Machines Corporation Optical signal recorder employing a transducer having an adjustable dichroic mirror
US4611115A (en) * 1985-01-14 1986-09-09 Richland Glass Company, Inc. Laser etch monitoring system
SE447848B (sv) * 1985-06-14 1986-12-15 Anders Bengtsson Instrument for metning av ytors topografi
US4734570A (en) * 1985-11-20 1988-03-29 Olympus Optical Co., Ltd. Active focus detecting device with infrared source

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2443167B2 (de) * 1974-09-10 1976-12-30 Gesellschaft für Strahlen- und Umweltforschung mbH, 8000 München Scharfeinstellvorrichtung
DE3216439A1 (de) * 1982-05-03 1983-11-03 Schott Glaswerke, 6500 Mainz Anordnung zur ausleuchtung von beobachtungsebenen in optischen geraeten
DE3219503C2 (de) * 1982-05-25 1985-08-08 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Vorrichtung zum selbsttätigen Fokussieren auf in optischen Geräten zu betrachtende Objekte
US4657357A (en) * 1984-10-23 1987-04-14 Tokyo Kogaku Kikai Kabushiki Kaisha Illumination system for single objective lens binocular microscope
DE3610530A1 (de) * 1985-03-27 1986-10-02 Olympus Optical Co., Ltd., Tokio/Tokyo Oberflaechenstrukturmessgeraet
DE3536700A1 (de) * 1985-10-15 1987-04-16 Ulrich Breitmeier Geraet zum ermitteln des lokalen abstandes einer pruefflaeche von einer referenzflaeche
DE3641048A1 (de) * 1985-12-02 1987-06-04 Olympus Optical Co Vorrichtung zur erkennung des fokussiergrades

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Measurement of surface topography of magnetic tapes by Mirau interferometry, Applied Optics Vol. 24, No. 10, S.1489-1497, v. 15. Mai 1985 *
Microscopia Acta, Vol. 81, 1979, Bd. 81, S. 31-44 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10118472C1 (de) * 2001-04-12 2002-08-29 Siemens Ag Kopfspule für ein Magnetresonanzgerät

Also Published As

Publication number Publication date
WO1988010405A1 (fr) 1988-12-29
US4948984A (en) 1990-08-14
DE3720079C2 (enExample) 1991-01-03
JPH01503642A (ja) 1989-12-07
EP0318566B2 (de) 1994-05-25
EP0318566B1 (de) 1991-10-16
DE3865641D1 (de) 1991-11-21
EP0318566A1 (de) 1989-06-07

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8127 New person/name/address of the applicant

Owner name: FOCUS MESSTECHNIK GMBH & CO KG, 7000 STUTTGART, DE

8181 Inventor (new situation)

Free format text: BREITMEIER, ULRICH, 7000 STUTTGART, DE

D2 Grant after examination
8363 Opposition against the patent
8331 Complete revocation