AT371278B - Optisch auslesbare datenscheibe - Google Patents

Optisch auslesbare datenscheibe

Info

Publication number
AT371278B
AT371278B AT0667878A AT667878A AT371278B AT 371278 B AT371278 B AT 371278B AT 0667878 A AT0667878 A AT 0667878A AT 667878 A AT667878 A AT 667878A AT 371278 B AT371278 B AT 371278B
Authority
AT
Austria
Prior art keywords
readable data
optically readable
data disk
disk
optically
Prior art date
Application number
AT0667878A
Other languages
English (en)
Other versions
ATA667878A (de
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of ATA667878A publication Critical patent/ATA667878A/de
Application granted granted Critical
Publication of AT371278B publication Critical patent/AT371278B/de

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
    • G11B7/241Record 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
    • 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
    • G11B7/257Record 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
    • 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
    • G11B7/26Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • G11B2007/25408Record 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
    • G11B2007/25414Record 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)
    • 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
    • G11B7/256Record 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
    • 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
    • G11B7/2585Record 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
AT0667878A 1977-09-16 1978-09-15 Optisch auslesbare datenscheibe AT371278B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
ATA667878A ATA667878A (de) 1982-10-15
AT371278B true AT371278B (de) 1983-06-10

Family

ID=19829188

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0667878A AT371278B (de) 1977-09-16 1978-09-15 Optisch auslesbare datenscheibe

Country Status (20)

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

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 (de) * 1994-09-27 2002-12-11 Matsushita Electric Industrial Co., Ltd. Verfahren zur Herstellung eines optischen Informationsaufzeichnungsmediums und Gerät dazu
EP1258874B1 (de) * 1994-09-27 2006-04-19 Matsushita Electric Industrial Co., Ltd. Verfahren zur Herstellung eines optischen Informationsaufzeichnungsmediums
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 (de) * 1994-10-03 2001-05-16 Matsushita Electric Industrial Co., Ltd. Optisches Informationsmedium, sowie Einheit und Verfahren zu dessen Herstellung
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
US6680898B2 (en) 2001-02-21 2004-01-20 Todd J. Kuchman Optical disc and method of protecting same
US6842409B2 (en) 2001-02-21 2005-01-11 Scratch-Less Disc Industries, Llc Optical disc and method of protecting same
EP1637329A1 (de) 2004-09-15 2006-03-22 Domino Printing Sciences Plc Tröpfchengenerator

Also Published As

Publication number Publication date
BE870476A (fr) 1979-03-14
FR2403617B1 (de) 1983-06-17
DE2839395A1 (de) 1979-03-29
BR7806005A (pt) 1979-04-24
AU3982778A (en) 1980-03-20
ES473343A1 (es) 1979-04-16
SE7809614L (sv) 1979-03-17
SE438568B (sv) 1985-04-22
DK403478A (da) 1979-03-17
GB2004404B (en) 1982-01-20
CA1124396A (en) 1982-05-25
FR2403617A1 (fr) 1979-04-13
AU523032B2 (en) 1982-07-08
MX148376A (es) 1983-04-13
GB2004404A (en) 1979-03-28
IT1098622B (it) 1985-09-07
ATA667878A (de) 1982-10-15
JPS574973B2 (de) 1982-01-28
NZ188406A (en) 1982-05-31
CH637783A5 (de) 1983-08-15
JPS5454003A (en) 1979-04-27
DD139774A5 (de) 1980-01-16
ZA785080B (en) 1980-04-30
IT7827635A0 (it) 1978-09-13
NL7710162A (nl) 1979-03-20
AR216540A1 (es) 1979-12-28

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee