AU523032B2 - Optically readable information disk - Google Patents

Optically readable information disk

Info

Publication number
AU523032B2
AU523032B2 AU39827/78A AU3982778A AU523032B2 AU 523032 B2 AU523032 B2 AU 523032B2 AU 39827/78 A AU39827/78 A AU 39827/78A AU 3982778 A AU3982778 A AU 3982778A AU 523032 B2 AU523032 B2 AU 523032B2
Authority
AU
Australia
Prior art keywords
readable information
optically readable
information disk
disk
optically
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
Application number
AU39827/78A
Other languages
English (en)
Other versions
AU3982778A (en
Inventor
Vander Wal J.
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of AU3982778A publication Critical patent/AU3982778A/en
Application granted granted Critical
Publication of AU523032B2 publication Critical patent/AU523032B2/en
Expired 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
    • G11B7/252—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
    • 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
    • G11B7/257—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • G11B2007/25408—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 inorganic materials
    • G11B2007/25414—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 inorganic materials containing Group 13 elements (B, Al, Ga)
    • 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
    • G11B7/256—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 layers improving adhesion between 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
    • G11B7/258—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
    • G11B7/2585—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 aluminium

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
AU39827/78A 1977-09-16 1978-09-13 Optically readable information disk Expired AU523032B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NLNL7710162 1977-09-16
NL7710162A NL7710162A (nl) 1977-09-16 1977-09-16 Werkwijze voor het vervaardigen van een optisch uitleesbare informatieschijf onder toepassing van een vlakke, verstijvende warmtegeleidende plaat van anorganisch materiaal.

Publications (2)

Publication Number Publication Date
AU3982778A AU3982778A (en) 1980-03-20
AU523032B2 true AU523032B2 (en) 1982-07-08

Family

ID=19829188

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39827/78A Expired AU523032B2 (en) 1977-09-16 1978-09-13 Optically readable information disk

Country Status (20)

Country Link
JP (1) JPS5454003A (sv)
AR (1) AR216540A1 (sv)
AT (1) AT371278B (sv)
AU (1) AU523032B2 (sv)
BE (1) BE870476A (sv)
BR (1) BR7806005A (sv)
CA (1) CA1124396A (sv)
CH (1) CH637783A5 (sv)
DD (1) DD139774A5 (sv)
DE (1) DE2839395A1 (sv)
DK (1) DK403478A (sv)
ES (1) ES473343A1 (sv)
FR (1) FR2403617A1 (sv)
GB (1) GB2004404B (sv)
IT (1) IT1098622B (sv)
MX (1) MX148376A (sv)
NL (1) NL7710162A (sv)
NZ (1) NZ188406A (sv)
SE (1) SE438568B (sv)
ZA (1) ZA785080B (sv)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414650A (en) * 1980-06-23 1983-11-08 Sharp Kabushiki Kaisha Magneto-optic memory element
DE3028498A1 (de) * 1980-07-26 1982-03-04 Röhm GmbH, 6100 Darmstadt Verbesserte, optisch abzulesende, informationsspeicherplatten und verfahren zu ihrer herstellung
JPS5766538A (en) * 1980-10-08 1982-04-22 Toshiba Corp Information storage medium
JPS57186241A (en) * 1981-05-11 1982-11-16 Mitsui Toatsu Chem Inc Optical information recording disc
JPS58108044A (ja) * 1981-12-22 1983-06-28 Pioneer Electronic Corp 光学式デイスク
NL8301956A (nl) * 1983-06-02 1985-01-02 Optical Storage Int Optisch registratie element.
DE3322131A1 (de) * 1983-06-20 1984-12-20 Polygram Gmbh, 2000 Hamburg Plattenfoermiger, optisch auslesbarer informationstraeger mit schutzrand
JPS61500574A (ja) * 1983-12-02 1986-03-27 バロ−ス・コ−ポレ−ション コスト低減した光学ディスクレコ−ド
JPS61214245A (ja) * 1985-03-20 1986-09-24 Matsushita Electric Ind Co Ltd 光情報記録担体
JPH061561B2 (ja) * 1985-08-21 1994-01-05 株式会社日立製作所 光デイスク
JPS6242347A (ja) * 1986-07-31 1987-02-24 Sanyo Electric Co Ltd 光学式デイスクレコ−ドの製造方法
JPS63107589A (ja) * 1986-10-23 1988-05-12 Nec Corp 光記録媒体
LU87571A1 (fr) * 1989-08-23 1991-05-07 Glaverbel Support d'enregistrement d'informations a lecture optique
EP0706179B1 (en) * 1994-09-27 2002-12-11 Matsushita Electric Industrial Co., Ltd. Production process of optical information recording medium and production apparatus therefor
EP1006518B1 (en) * 1994-09-27 2004-03-17 Matsushita Electric Industrial Co., Ltd. Production process of optical information recording medium and production apparatus thereof
JP2742524B2 (ja) * 1994-10-03 1998-04-22 松下電器産業株式会社 光情報媒体、光情報媒体製造方法並びに光情報媒体製造装置
EP0706178B1 (en) * 1994-10-03 2001-05-16 Matsushita Electric Industrial Co., Ltd. Optical information medium, method for producing the optical information medium, and unit for producing the optical information medium
JPH08203126A (ja) * 1995-01-27 1996-08-09 Nec Corp 光学的情報記録媒体ならびに光学的情報再生方法および 光学的情報記録再生消去方法
USRE39412E1 (en) 1995-02-15 2006-11-28 Matsushita Electric Industrial Co., Ltd. Optical information medium, and method and apparatus for fabricating the same
US6842409B2 (en) 2001-02-21 2005-01-11 Scratch-Less Disc Industries, Llc Optical disc and method of protecting same
US6680898B2 (en) 2001-02-21 2004-01-20 Todd J. Kuchman Optical disc and method of protecting same
EP1637329A1 (en) 2004-09-15 2006-03-22 Domino Printing Sciences Plc Droplet generator

Also Published As

Publication number Publication date
CH637783A5 (de) 1983-08-15
AR216540A1 (es) 1979-12-28
FR2403617A1 (fr) 1979-04-13
ATA667878A (de) 1982-10-15
DD139774A5 (de) 1980-01-16
SE438568B (sv) 1985-04-22
JPS5454003A (en) 1979-04-27
IT1098622B (it) 1985-09-07
DK403478A (da) 1979-03-17
GB2004404A (en) 1979-03-28
CA1124396A (en) 1982-05-25
JPS574973B2 (sv) 1982-01-28
IT7827635A0 (it) 1978-09-13
ES473343A1 (es) 1979-04-16
DE2839395A1 (de) 1979-03-29
NL7710162A (nl) 1979-03-20
BR7806005A (pt) 1979-04-24
AU3982778A (en) 1980-03-20
GB2004404B (en) 1982-01-20
NZ188406A (en) 1982-05-31
SE7809614L (sv) 1979-03-17
FR2403617B1 (sv) 1983-06-17
MX148376A (es) 1983-04-13
AT371278B (de) 1983-06-10
ZA785080B (en) 1980-04-30
BE870476A (fr) 1979-03-14

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