DE69835789T2 - Mehrschichtige optische Platten - Google Patents

Mehrschichtige optische Platten Download PDF

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Publication number
DE69835789T2
DE69835789T2 DE69835789T DE69835789T DE69835789T2 DE 69835789 T2 DE69835789 T2 DE 69835789T2 DE 69835789 T DE69835789 T DE 69835789T DE 69835789 T DE69835789 T DE 69835789T DE 69835789 T2 DE69835789 T2 DE 69835789T2
Authority
DE
Germany
Prior art keywords
information layer
film
light
amorphous
wavelength
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
DE69835789T
Other languages
German (de)
English (en)
Other versions
DE69835789D1 (de
Inventor
Katsuhisa Shinagawa-ku Aratani
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.)
Sony Corp
Original Assignee
Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE69835789D1 publication Critical patent/DE69835789D1/de
Application granted granted Critical
Publication of DE69835789T2 publication Critical patent/DE69835789T2/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
    • G11B7/24018—Laminated discs
    • G11B7/24027—Layers; Shape, structure or physical properties thereof
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • 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
    • 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
    • G11B7/24018—Laminated discs
    • G11B7/24024—Adhesion or bonding, e.g. specific adhesive layers
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24062—Reflective layers
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
    • G11B7/2542—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of organic resins
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/21—Circular sheet or circular blank

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
DE69835789T 1997-06-20 1998-06-17 Mehrschichtige optische Platten Expired - Lifetime DE69835789T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16445797A JP3867347B2 (ja) 1997-06-20 1997-06-20 多層光ディスク
JP16445797 1997-06-20

Publications (2)

Publication Number Publication Date
DE69835789D1 DE69835789D1 (de) 2006-10-19
DE69835789T2 true DE69835789T2 (de) 2007-09-20

Family

ID=15793548

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69835789T Expired - Lifetime DE69835789T2 (de) 1997-06-20 1998-06-17 Mehrschichtige optische Platten

Country Status (7)

Country Link
US (1) US6030678A (enExample)
EP (1) EP0886270B1 (enExample)
JP (1) JP3867347B2 (enExample)
KR (1) KR100512661B1 (enExample)
CN (1) CN1129125C (enExample)
DE (1) DE69835789T2 (enExample)
ID (1) ID20471A (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08339574A (ja) * 1995-04-11 1996-12-24 Sony Corp 多層光ディスク
USRE40136E1 (en) * 1995-04-11 2008-03-04 Sony Corporation Multilayer optical disk
JPH11283278A (ja) * 1998-03-30 1999-10-15 Pioneer Electron Corp 光記録媒体
US6477011B1 (en) * 1998-08-24 2002-11-05 International Business Machines Corporation Magnetic recording device having an improved slider
DE19923542A1 (de) 1999-05-21 2001-01-18 Thomson Brandt Gmbh Optischer Aufzeichnungsträger
US7065035B1 (en) * 1999-10-25 2006-06-20 Matsushita Electric Industrial Co., Ltd. Optical multilayer disk, multiwavelength light source, and optical system using them
EP1349157B1 (en) * 2000-12-28 2009-02-18 Sony Corporation Optical recording medium
KR100399021B1 (ko) * 2001-01-31 2003-09-19 한국과학기술연구원 비정질 반사막을 이용한 고밀도 광 디스크
JP2003051140A (ja) * 2001-08-06 2003-02-21 Sanyo Electric Co Ltd 光ディスクおよびその製造方法
FR2832250A1 (fr) * 2001-11-09 2003-05-16 Commissariat Energie Atomique Support optique a double niveau d'enregistrement
KR100911139B1 (ko) * 2002-05-30 2009-08-06 삼성전자주식회사 복수개의 기록층이 구비된 광 디스크, 그 기록방법 및재생방법
JP2005068348A (ja) * 2003-08-27 2005-03-17 Nippon Kayaku Co Ltd 光ディスク用接着剤組成物及びその硬化物を用いた物品
KR20050079018A (ko) * 2004-02-03 2005-08-09 엘지전자 주식회사 광 디스크 구조
US7567499B2 (en) 2005-08-30 2009-07-28 Victor Company Of Japan, Ltd. Optical disc and method of producing the same
JP2008159228A (ja) * 2006-12-26 2008-07-10 Toshiba Corp 光ディスク及び光ディスク装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05128588A (ja) * 1991-05-16 1993-05-25 Canon Inc 光記録媒体、光記録方法及び再生方法、情報書込み装置及び情報レコードの再生装置
JPH056571A (ja) * 1991-06-28 1993-01-14 Pioneer Electron Corp 光学式情報記録媒体
US5764619A (en) * 1995-04-07 1998-06-09 Matsushita Electric Industrial Co., Ltd. Optical recording medium having two separate recording layers
JPH08339574A (ja) * 1995-04-11 1996-12-24 Sony Corp 多層光ディスク
JP3008819B2 (ja) * 1995-05-31 2000-02-14 日本ビクター株式会社 光ディスク
MY113615A (en) * 1995-08-31 2002-04-30 Sony Corp Multi-layer optical disk
JP3981989B2 (ja) * 1995-08-31 2007-09-26 ソニー株式会社 多層光ディスク
CZ294345B6 (cs) * 1995-09-08 2004-12-15 Koninklijke Philips Electronics N.V. Informační nosič
JPH09128803A (ja) * 1995-10-31 1997-05-16 Sony Corp 光ディスク

Also Published As

Publication number Publication date
EP0886270A1 (en) 1998-12-23
CN1129125C (zh) 2003-11-26
CN1204839A (zh) 1999-01-13
ID20471A (id) 1998-12-24
KR100512661B1 (ko) 2005-11-03
JPH1116214A (ja) 1999-01-22
EP0886270B1 (en) 2006-09-06
DE69835789D1 (de) 2006-10-19
JP3867347B2 (ja) 2007-01-10
US6030678A (en) 2000-02-29
KR19990007172A (ko) 1999-01-25

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: ARATANI, KATSUHISA, SHINAGAWA-KU, TOKYO 141, JP

8364 No opposition during term of opposition