DE68923777D1 - Medium für optische Aufzeichnung. - Google Patents

Medium für optische Aufzeichnung.

Info

Publication number
DE68923777D1
DE68923777D1 DE68923777T DE68923777T DE68923777D1 DE 68923777 D1 DE68923777 D1 DE 68923777D1 DE 68923777 T DE68923777 T DE 68923777T DE 68923777 T DE68923777 T DE 68923777T DE 68923777 D1 DE68923777 D1 DE 68923777D1
Authority
DE
Germany
Prior art keywords
recording medium
optical recording
optical
medium
recording
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 - Fee Related
Application number
DE68923777T
Other languages
English (en)
Other versions
DE68923777T2 (de
Inventor
Nobuyuki Matsuzawa
Nobutoshi Asai
Shinichiro Tamura
Noriyuki Kishii
Seiichi Arakawa
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
Priority claimed from JP63334296A external-priority patent/JP2910042B2/ja
Priority claimed from JP63334295A external-priority patent/JP2969638B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE68923777D1 publication Critical patent/DE68923777D1/de
Publication of DE68923777T2 publication Critical patent/DE68923777T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
    • 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
    • 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
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
    • G11B7/2467—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes azo-dyes
    • 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
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
    • G11B7/247—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes
    • G11B7/2472—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes cyanine
    • 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
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
    • G11B7/248—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes porphines; azaporphines, e.g. phthalocyanines
    • 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
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/249—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing organometallic compounds
    • 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
    • G11B7/2534—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 polycarbonates [PC]
    • 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
    • G11B7/2595—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 based on gold
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/165—Thermal imaging composition
DE68923777T 1988-12-29 1989-12-28 Medium für optische Aufzeichnung. Expired - Fee Related DE68923777T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63334296A JP2910042B2 (ja) 1988-12-29 1988-12-29 光学情報記録媒体
JP63334295A JP2969638B2 (ja) 1988-12-29 1988-12-29 光記録媒体

Publications (2)

Publication Number Publication Date
DE68923777D1 true DE68923777D1 (de) 1995-09-14
DE68923777T2 DE68923777T2 (de) 1996-05-02

Family

ID=26574803

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68923777T Expired - Fee Related DE68923777T2 (de) 1988-12-29 1989-12-28 Medium für optische Aufzeichnung.

Country Status (4)

Country Link
US (1) US5079135A (de)
EP (1) EP0376327B1 (de)
DE (1) DE68923777T2 (de)
HK (1) HK1007621A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5449587A (en) * 1988-12-15 1995-09-12 Mitsui Toatsu Chemicals, Incorporated Compact disk-write once type optical recording media
KR910005252A (ko) * 1989-08-30 1991-03-30 미다 가쓰시게 광정보 기록매체
US5280114A (en) * 1990-04-07 1994-01-18 Mitsui Toatsu Chemicals, Incorporated Halogenation of alkoxyphthalocyanine
JPH052771A (ja) * 1991-06-25 1993-01-08 Pioneer Electron Corp 光記録媒体
JPH05579A (ja) * 1991-06-25 1993-01-08 Pioneer Electron Corp 光記録媒体
US5485452A (en) * 1991-06-28 1996-01-16 Pioneer Electronic Corporation Optical information recording medium
EP0528512A1 (de) * 1991-08-20 1993-02-24 Pioneer Electronic Corporation Aufzeichnungsmedium
JPH05120727A (ja) * 1991-10-28 1993-05-18 Ricoh Co Ltd 光記録媒体及び該媒体に情報を記録または再生する方法
US5424171A (en) * 1992-04-03 1995-06-13 Pioneer Electronic Corporation Optical recording medium
JP3315157B2 (ja) * 1992-08-27 2002-08-19 パイオニア株式会社 情報記録媒体
CA2110233C (en) 1992-12-02 1999-01-12 Mitsui Toatsu Chemicals, Incorporated Optical information recording medium and composition for optical information recording film
US5474874A (en) * 1993-02-16 1995-12-12 Sony Corporation Optical recording medium
US5633106A (en) * 1994-04-08 1997-05-27 Mitsui Toatsu Chemicals, Inc. Optical recording media and a method of recording and reproducing information
US5518789A (en) 1994-05-17 1996-05-21 Eastman Kodak Company Thioether containing photopolymerizable compositions
US5667860A (en) 1995-11-14 1997-09-16 Eastman Kodak Company Optical recording elements having recording layers exhibiting reduced bubble formation
US5759254A (en) * 1996-07-18 1998-06-02 Ciba Specialty Chemicals Corporation Substituted phthalocyanines
JPH10302310A (ja) * 1997-04-25 1998-11-13 Sony Corp 光学記録媒体及び光学ディスク装置
JPH1173679A (ja) * 1997-06-19 1999-03-16 Taiyo Yuden Co Ltd 光情報記録媒体
JP3659548B2 (ja) * 1997-07-22 2005-06-15 株式会社リコー 光記録媒体
US6292457B1 (en) 1999-03-31 2001-09-18 Eastman Kodak Company Recordable optical media with a silver-gold reflective layer
EP1275517B1 (de) 2000-04-17 2004-10-27 Mitsubishi Chemical Corporation Optisches aufzeichnungsmedium
CN100401400C (zh) * 2002-02-15 2008-07-09 索尼株式会社 可再书写光学信息记录介质、记录/再现方法及记录/再现设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305081A (en) * 1976-03-19 1981-12-08 Rca Corporation Multilayer record blank for use in optical recording
NL7809159A (nl) * 1977-09-29 1979-04-02 Philips Nv Informatieregistratie element met kleurstof bevattende hulplaag.
JPS59169891A (ja) * 1983-03-16 1984-09-25 Konishiroku Photo Ind Co Ltd 光学的情報記録媒体の製造方法
US4538159A (en) * 1984-04-16 1985-08-27 Eastman Kodak Company Ceramic overcoated optical recording element
DE3446418A1 (de) * 1984-12-20 1986-06-26 Basf Ag, 6700 Ludwigshafen Optisches aufzeichnungsmedium und verfahren zu seiner herstellung
EP0265260B1 (de) * 1986-10-24 1993-09-01 Hitachi, Ltd. Verfahren zum Löschen einer Aufzeichnung in einem Datenspeicher aus Photochemical Hole Burning Material
JP2578426B2 (ja) * 1987-04-13 1997-02-05 キヤノン株式会社 光学記録媒体
US4950579A (en) * 1988-07-08 1990-08-21 Minnesota Mining And Manufacturing Company Optical disc recording medium having a microstructure-derived inhomogeneity or anisotropy

Also Published As

Publication number Publication date
US5079135A (en) 1992-01-07
HK1007621A1 (en) 1999-04-16
EP0376327B1 (de) 1995-08-09
DE68923777T2 (de) 1996-05-02
EP0376327A2 (de) 1990-07-04
EP0376327A3 (de) 1991-09-18

Similar Documents

Publication Publication Date Title
DE69022497T2 (de) Optisches Aufzeichnungsmedium.
DE3887304T2 (de) Optisches Aufzeichnungsmedium.
DE3883826D1 (de) Optisches Aufzeichnungsmedium.
DE68923777T2 (de) Medium für optische Aufzeichnung.
DE69019635T2 (de) Optisches Aufzeichnungsmedium.
NL192639B (nl) Optisch registratiemedium.
DE68915630D1 (de) Medium für optische Scheiben.
DE3771406D1 (de) Optisches aufzeichnungsmedium.
DE3883174T2 (de) Optisches Informationsaufzeichnungsmedium.
DE68925389T2 (de) Medium für optische Aufzeichnung
DE69023228T2 (de) Optisches Aufzeichnungsmedium.
DE3785572D1 (de) Optisches aufzeichnungsmedium.
DE3784389D1 (de) Optisches aufzeichnungsmedium.
DE68916084T2 (de) Optische Informationsaufzeichnungsmethode.
DE68918536T2 (de) Optisches Aufzeichnungsmedium.
DE68915832D1 (de) Optisches Aufzeichnungsmedium.
DE3783529T2 (de) Optisches aufzeichnungsmedium.
DE68921308T2 (de) Optisches Aufzeichnungsmedium.
DE3885848T2 (de) Optisches Aufzeichnungsmedium.
DE69020837T2 (de) Medium für optische Datenaufzeichnung.
DE3853497T2 (de) Optisches Informationsaufzeichnungsmedium.
DE3773303D1 (de) Optisches aufzeichnungsmedium.
DE3750095T2 (de) Medium für optische Aufzeichnung.
DE68915180T2 (de) Optische Aufzeichnung.
DE3854463T2 (de) Optisches Aufzeichnungsmedium.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

8339 Ceased/non-payment of the annual fee