DE69826156D1 - Vorrichtung zur Messung der Doppelbrechung von optischen Plattensubstraten - Google Patents

Vorrichtung zur Messung der Doppelbrechung von optischen Plattensubstraten

Info

Publication number
DE69826156D1
DE69826156D1 DE69826156T DE69826156T DE69826156D1 DE 69826156 D1 DE69826156 D1 DE 69826156D1 DE 69826156 T DE69826156 T DE 69826156T DE 69826156 T DE69826156 T DE 69826156T DE 69826156 D1 DE69826156 D1 DE 69826156D1
Authority
DE
Germany
Prior art keywords
birefringence
measuring
optical disk
disk substrates
substrates
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 - Lifetime
Application number
DE69826156T
Other languages
English (en)
Other versions
DE69826156T2 (de
Inventor
Eiji Nakagawa
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of DE69826156D1 publication Critical patent/DE69826156D1/de
Application granted granted Critical
Publication of DE69826156T2 publication Critical patent/DE69826156T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/21—Polarisation-affecting properties
    • G01N21/23—Bi-refringence
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
DE69826156T 1997-01-29 1998-01-29 Vorrichtung zur Messung der Doppelbrechung von optischen Plattensubstraten Expired - Lifetime DE69826156T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2953497 1997-01-29
JP2953497 1997-01-29

Publications (2)

Publication Number Publication Date
DE69826156D1 true DE69826156D1 (de) 2004-10-21
DE69826156T2 DE69826156T2 (de) 2005-10-27

Family

ID=12278788

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69826156T Expired - Lifetime DE69826156T2 (de) 1997-01-29 1998-01-29 Vorrichtung zur Messung der Doppelbrechung von optischen Plattensubstraten

Country Status (3)

Country Link
US (1) US5956146A (de)
EP (1) EP0856840B1 (de)
DE (1) DE69826156T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7002685B2 (en) * 2000-03-31 2006-02-21 Hinds Instruments, Inc System for measuring of both circular and linear birefringence
WO2002103310A1 (en) * 2001-06-18 2002-12-27 Hinds Instruments, Inc Birefringence measurement at deep-ultraviolet wavelengths
AU2003299695A1 (en) * 2002-12-20 2004-07-22 Hinds Instruments, Inc Out-of-plane birefringence measurement
US7312869B2 (en) * 2002-12-20 2007-12-25 Hinds Instruments, Inc. Out-of-plane birefringence measurement
US7746465B2 (en) 2007-01-18 2010-06-29 Hinds Instruments, Inc. Sample holder for an optical element
US9709500B2 (en) 2012-05-02 2017-07-18 Charles River Laboratories, Inc. Optical method for detecting viable microorganisms in a cell sample
CA2872149C (en) 2012-05-02 2019-03-19 Charles River Laboratories, Inc. Viability staining method
US10324036B2 (en) 2012-05-02 2019-06-18 Charles River Laboratories, Inc. Porous planar cell capture system
JP2016053478A (ja) * 2014-09-02 2016-04-14 株式会社東芝 相分離観測方法、相分離観測装置、及びアニール装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1175776B (it) * 1984-02-13 1987-07-15 Siv Soc Italiana Vetro Apparecchiatura per la misurazione automatica di tensioni in un corpo trasparente mediante luce diffusa
JPH02304729A (ja) * 1989-05-18 1990-12-18 Olympus Optical Co Ltd 光学式情報記録再生装置
JPH03218440A (ja) * 1990-01-24 1991-09-26 Matsushita Electric Ind Co Ltd 複屈折測定装置
US5341205A (en) * 1991-01-15 1994-08-23 The United States Of America As Represented By The Secretary Of The Navy Method for characterization of optical waveguide devices using partial coherence interferometry
US5305090A (en) * 1991-12-11 1994-04-19 Gmi Engineering And Management Institute Birefringent inspection polarscope
JP3011036B2 (ja) * 1993-12-20 2000-02-21 三菱化学株式会社 光ディスク基板の複屈折の測定法
CA2122782C (en) * 1994-05-03 1999-07-27 Wojtek J. Bock Apparatus for measuring an ambient physical parameter applied to a highly birefringent sensing fiber and method

Also Published As

Publication number Publication date
EP0856840B1 (de) 2004-09-15
US5956146A (en) 1999-09-21
EP0856840A1 (de) 1998-08-05
DE69826156T2 (de) 2005-10-27

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Legal Events

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8364 No opposition during term of opposition