DE3875423D1 - Optische platte zur verwendung in optischen speichergeraeten. - Google Patents

Optische platte zur verwendung in optischen speichergeraeten.

Info

Publication number
DE3875423D1
DE3875423D1 DE8888307691T DE3875423T DE3875423D1 DE 3875423 D1 DE3875423 D1 DE 3875423D1 DE 8888307691 T DE8888307691 T DE 8888307691T DE 3875423 T DE3875423 T DE 3875423T DE 3875423 D1 DE3875423 D1 DE 3875423D1
Authority
DE
Germany
Prior art keywords
optical
storage devices
plate
optical storage
optical plate
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
DE8888307691T
Other languages
English (en)
Other versions
DE3875423T2 (de
Inventor
Kazuo Van
Kenji Ohta
Tetsuya Inui
Toshikazu Nagaura
Hirotoshi Takemori
Hirotaka Toki
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.)
Sharp Corp
Original Assignee
Sharp Corp
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
Priority claimed from JP62208948A external-priority patent/JPS6452236A/ja
Priority claimed from JP63026237A external-priority patent/JP2540582B2/ja
Priority claimed from JP63194164A external-priority patent/JP2577058B2/ja
Application filed by Sharp Corp filed Critical Sharp Corp
Application granted granted Critical
Publication of DE3875423D1 publication Critical patent/DE3875423D1/de
Publication of DE3875423T2 publication Critical patent/DE3875423T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • 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
    • G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146—Laser beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Optical Recording Or Reproduction (AREA)
DE8888307691T 1987-08-21 1988-08-19 Optische platte zur verwendung in optischen speichergeraeten. Expired - Lifetime DE3875423T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62208948A JPS6452236A (en) 1987-08-21 1987-08-21 Formation of master disk for optical disk
JP63026237A JP2540582B2 (ja) 1988-02-05 1988-02-05 光ディスク用マスタ―原盤の作成方法
JP63194164A JP2577058B2 (ja) 1988-08-03 1988-08-03 光メモリ素子用基板およびその製造方法

Publications (2)

Publication Number Publication Date
DE3875423D1 true DE3875423D1 (de) 1992-11-26
DE3875423T2 DE3875423T2 (de) 1993-05-19

Family

ID=27285323

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888307691T Expired - Lifetime DE3875423T2 (de) 1987-08-21 1988-08-19 Optische platte zur verwendung in optischen speichergeraeten.

Country Status (4)

Country Link
US (2) US5399461A (de)
EP (1) EP0304312B1 (de)
CA (1) CA1303740C (de)
DE (1) DE3875423T2 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0304312B1 (de) * 1987-08-21 1992-10-21 Sharp Kabushiki Kaisha Optische Platte zur Verwendung in optischen Speichergeräten
JP2868682B2 (ja) 1992-05-15 1999-03-10 シャープ株式会社 光ディスク
US5517485A (en) * 1993-02-26 1996-05-14 Matsushita Electric Industrial Co., Ltd. Optical information recording medium having first and second tracks and apparatus for recording to and reproducing from the medium
JPH1139728A (ja) * 1997-07-11 1999-02-12 Sony Corp 光記録材料の露光記録方法
US6252845B1 (en) 1997-08-05 2001-06-26 Matsushita Electric Industrial Co., Ltd. High density optical disk, apparatus for reproducing optical disk and method for producing optical disk master
KR100224871B1 (ko) * 1997-09-30 1999-10-15 윤종용 광디스크 및 그 광디스크의 제조방법
JPH11250504A (ja) * 1998-02-27 1999-09-17 Sony Corp 光記録媒体及びその製造方法
JP3490356B2 (ja) * 1999-09-29 2004-01-26 シャープ株式会社 光記録媒体、並びに、光記録媒体用原盤およびその製造方法
KR100694036B1 (ko) 2000-06-01 2007-03-12 삼성전자주식회사 그루브와 피트의 깊이가 다른 디스크 및 그 제조방법
US6724717B2 (en) 2000-11-15 2004-04-20 Ricoh Company, Ltd. Optical recording disc
US7684307B2 (en) * 2003-02-13 2010-03-23 Doug Carson & Associates, Inc. Identifier tag to track layers in a multi-layer optical disc
US20060078893A1 (en) 2004-10-12 2006-04-13 Medical Research Council Compartmentalised combinatorial chemistry by microfluidic control
GB0307428D0 (en) 2003-03-31 2003-05-07 Medical Res Council Compartmentalised combinatorial chemistry
GB0307403D0 (en) 2003-03-31 2003-05-07 Medical Res Council Selection by compartmentalised screening
US20050221339A1 (en) 2004-03-31 2005-10-06 Medical Research Council Harvard University Compartmentalised screening by microfluidic control
US7968287B2 (en) 2004-10-08 2011-06-28 Medical Research Council Harvard University In vitro evolution in microfluidic systems
KR101244907B1 (ko) * 2005-09-29 2013-03-18 삼성전자주식회사 프리피트가 형성된 정보 저장 매체 및 기록/재생 장치 및기록/재생 방법
US20100137163A1 (en) 2006-01-11 2010-06-03 Link Darren R Microfluidic Devices and Methods of Use in The Formation and Control of Nanoreactors
KR20070102079A (ko) * 2006-04-13 2007-10-18 삼성전자주식회사 프리피트가 형성된 정보 저장 매체 및 기록/재생 장치 및기록/재생 방법
WO2007133710A2 (en) 2006-05-11 2007-11-22 Raindance Technologies, Inc. Microfluidic devices and methods of use thereof
US9562837B2 (en) 2006-05-11 2017-02-07 Raindance Technologies, Inc. Systems for handling microfludic droplets
WO2008021123A1 (en) 2006-08-07 2008-02-21 President And Fellows Of Harvard College Fluorocarbon emulsion stabilizing surfactants
US8772046B2 (en) 2007-02-06 2014-07-08 Brandeis University Manipulation of fluids and reactions in microfluidic systems
WO2008130623A1 (en) 2007-04-19 2008-10-30 Brandeis University Manipulation of fluids, fluid components and reactions in microfluidic systems
EP2315629B1 (de) 2008-07-18 2021-12-15 Bio-Rad Laboratories, Inc. Tröpfchenbibliotheken
EP2411148B1 (de) 2009-03-23 2018-02-21 Raindance Technologies, Inc. Manipulation von mikrofluidiktröpfchen
EP2486409A1 (de) 2009-10-09 2012-08-15 Universite De Strasbourg Markiertes nanomaterial auf siliziumbasis mit verbesserten eigenschaften und seine verwendung
US10837883B2 (en) 2009-12-23 2020-11-17 Bio-Rad Laboratories, Inc. Microfluidic systems and methods for reducing the exchange of molecules between droplets
US10351905B2 (en) 2010-02-12 2019-07-16 Bio-Rad Laboratories, Inc. Digital analyte analysis
US8535889B2 (en) 2010-02-12 2013-09-17 Raindance Technologies, Inc. Digital analyte analysis
US9399797B2 (en) 2010-02-12 2016-07-26 Raindance Technologies, Inc. Digital analyte analysis
US9366632B2 (en) 2010-02-12 2016-06-14 Raindance Technologies, Inc. Digital analyte analysis
EP3447155A1 (de) 2010-09-30 2019-02-27 Raindance Technologies, Inc. Sandwichassays in tröpfchen
EP3859011A1 (de) 2011-02-11 2021-08-04 Bio-Rad Laboratories, Inc. Verfahren zur bildung gemischter tröpfchen
WO2012112804A1 (en) 2011-02-18 2012-08-23 Raindance Technoligies, Inc. Compositions and methods for molecular labeling
US8841071B2 (en) 2011-06-02 2014-09-23 Raindance Technologies, Inc. Sample multiplexing
EP3216872B1 (de) 2011-06-02 2020-04-01 Bio-Rad Laboratories, Inc. Enzymquantifizierung
US8658430B2 (en) 2011-07-20 2014-02-25 Raindance Technologies, Inc. Manipulating droplet size
US11901041B2 (en) 2013-10-04 2024-02-13 Bio-Rad Laboratories, Inc. Digital analysis of nucleic acid modification
US9944977B2 (en) 2013-12-12 2018-04-17 Raindance Technologies, Inc. Distinguishing rare variations in a nucleic acid sequence from a sample
WO2015103367A1 (en) 2013-12-31 2015-07-09 Raindance Technologies, Inc. System and method for detection of rna species
US10647981B1 (en) 2015-09-08 2020-05-12 Bio-Rad Laboratories, Inc. Nucleic acid library generation methods and compositions

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902010A (en) * 1972-02-15 1975-08-26 Canon Kk Information recording device with record having layers with different intensity sensitivity
JPS5182601A (de) * 1975-01-17 1976-07-20 Sony Corp
US4259433A (en) * 1976-10-22 1981-03-31 Fuji Photo Film Co., Ltd. Method for producing disk-recording plates
NL8100098A (nl) * 1981-01-12 1982-08-02 Philips Nv Registratiedrager met optisch uitleesbare informatiestruktuur.
US4428069A (en) * 1981-12-21 1984-01-24 Burroughs Corporation Apparatus for preformatting an optical disk
JPS5911551A (ja) * 1982-07-12 1984-01-21 Toshiba Corp 光学式情報記憶媒体
EP0100995A3 (en) * 1982-08-10 1985-10-16 Kabushiki Kaisha Toshiba Optical disk
JPS60170045A (ja) * 1984-02-13 1985-09-03 Pioneer Electronic Corp アドレス，案内溝付光デイスク製造方法
JPH07107744B2 (ja) * 1984-05-16 1995-11-15 松下電器産業株式会社 光ディスクの再生方法
US4949331A (en) * 1985-06-19 1990-08-14 Hitachi, Ltd. Apparatus and record carrier for optical disc memory with correction pattern and master disc cutting apparatus
JPH0746429B2 (ja) * 1985-06-21 1995-05-17 オリンパス光学工業株式会社 光学式記録再生装置
JPS62154242A (ja) * 1985-12-26 1987-07-09 Hitachi Maxell Ltd 情報記録用デイスク
JP2589467B2 (ja) * 1986-01-14 1997-03-12 パイオニア株式会社 光学式記録デイスク
US5144552A (en) * 1986-07-25 1992-09-01 Ricoh Company, Ltd. Optical information storage medium having grooves and pits with specific depths, respectively
JPH0638299B2 (ja) * 1986-08-27 1994-05-18 パイオニア株式会社 案内溝付光デイスクの製造方法
JPS63249334A (ja) * 1987-04-03 1988-10-17 Sanyo Electric Co Ltd レジストパタ−ン形成方法
EP0304312B1 (de) * 1987-08-21 1992-10-21 Sharp Kabushiki Kaisha Optische Platte zur Verwendung in optischen Speichergeräten
JPH0253237A (ja) * 1988-08-16 1990-02-22 Ricoh Co Ltd 光学式情報記録媒体
JPH05109119A (ja) * 1991-10-14 1993-04-30 Sony Corp 光デイスク
US5402411A (en) * 1992-03-05 1995-03-28 Fujitsu Limited Constant amplitude of tracking error signals generated from a head guide track and a performed track
JP2548063B2 (ja) * 1992-12-28 1996-10-30 秀行 外山 仮枠間隔調節具

Also Published As

Publication number Publication date
EP0304312A1 (de) 1989-02-22
EP0304312B1 (de) 1992-10-21
CA1303740C (en) 1992-06-16
DE3875423T2 (de) 1993-05-19
US5500850A (en) 1996-03-19
US5399461A (en) 1995-03-21

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