DE69835789D1 - Mehrschichtige optische Platten - Google Patents

Mehrschichtige optische Platten

Info

Publication number
DE69835789D1
DE69835789D1 DE69835789T DE69835789T DE69835789D1 DE 69835789 D1 DE69835789 D1 DE 69835789D1 DE 69835789 T DE69835789 T DE 69835789T DE 69835789 T DE69835789 T DE 69835789T DE 69835789 D1 DE69835789 D1 DE 69835789D1
Authority
DE
Germany
Prior art keywords
optical disks
multilayer optical
multilayer
disks
optical
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
English (en)
Other versions
DE69835789T2 (de
Inventor
Katsuhisa 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
Application granted granted Critical
Publication of DE69835789D1 publication Critical patent/DE69835789D1/de
Publication of DE69835789T2 publication Critical patent/DE69835789T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/24018Laminated discs
    • G11B7/24027Layers; Shape, structure or physical properties thereof
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/258Record 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/24018Laminated discs
    • G11B7/24024Adhesion or bonding, e.g. specific adhesive layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403Layers; Shape, structure or physical properties thereof
    • G11B7/24035Recording layers
    • G11B7/24038Multiple laminated recording layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403Layers; Shape, structure or physical properties thereof
    • G11B7/24062Reflective layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/253Record 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
    • G11B7/2533Record 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/254Record 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
    • G11B7/2542Record 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
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/913Material designed to be responsive to temperature, light, moisture
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146Laser beam
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/21Circular sheet or circular blank
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 true DE69835789D1 (de) 2006-10-19
DE69835789T2 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 (de)
EP (1) EP0886270B1 (de)
JP (1) JP3867347B2 (de)
KR (1) KR100512661B1 (de)
CN (1) CN1129125C (de)
DE (1) DE69835789T2 (de)
ID (1) ID20471A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE40136E1 (en) * 1995-04-11 2008-03-04 Sony Corporation Multilayer optical disk
JPH08339574A (ja) * 1995-04-11 1996-12-24 Sony Corp 多層光ディスク
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
US6985429B2 (en) * 2000-12-28 2006-01-10 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
CA2204496C (en) * 1995-09-08 2007-07-31 Josephus Johannes Maria Braat Optical multilayer information carrier
JPH09128803A (ja) * 1995-10-31 1997-05-16 Sony Corp 光ディスク

Also Published As

Publication number Publication date
US6030678A (en) 2000-02-29
JP3867347B2 (ja) 2007-01-10
DE69835789T2 (de) 2007-09-20
CN1204839A (zh) 1999-01-13
KR19990007172A (ko) 1999-01-25
KR100512661B1 (ko) 2005-11-03
CN1129125C (zh) 2003-11-26
JPH1116214A (ja) 1999-01-22
EP0886270B1 (de) 2006-09-06
EP0886270A1 (de) 1998-12-23
ID20471A (id) 1998-12-24

Similar Documents

Publication Publication Date Title
DE69729584D1 (de) Multifokale optische kompositlinse
DE69628610D1 (de) Mehrschichtige optische Platte
DE69939647D1 (de) Optischer film
DE69526697T2 (de) Optische Platte
DE69713908T2 (de) Optische Platte
DE69709690T2 (de) Optische Platte
DE69834749D1 (de) Optische Platte
DE69834291D1 (de) Optische Kopfanordnung
DE69833170D1 (de) Optisches Aufzeichnungselement
DE69829228D1 (de) Optisches Aufzeichnungsmedium
DE69829414D1 (de) Optisches Aufzeichnungsmedium
DE69839463D1 (de) Optisches Aufzeichnungsmedium
DE69835065D1 (de) Optisches Aufzeichnungsmedium
DE69834299D1 (de) Optisches Aufzeichnungsmedium
DE69514358T2 (de) Optische bauteilanordnung
DE69819590D1 (de) Gerät für optische Platten
DE69900655T2 (de) Optische Platte
DE69839415D1 (de) Optische Platte
DE69835789D1 (de) Mehrschichtige optische Platten
DE69804752D1 (de) Optisches Plattengerät
DE69729023D1 (de) Gerät für optische Platten
DE69919922D1 (de) Optische Platte
DE69837731D1 (de) Optische Platte
DE69421264T2 (de) Optische Plattenantriebseinheit
DE69841296D1 (de) Optische Platte

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