NL8102283A - Optisch uitleesbare informatieschijf met een reflectielaag gevormd uit een metaallegering. - Google Patents

Optisch uitleesbare informatieschijf met een reflectielaag gevormd uit een metaallegering. Download PDF

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Publication number
NL8102283A
NL8102283A NL8102283A NL8102283A NL8102283A NL 8102283 A NL8102283 A NL 8102283A NL 8102283 A NL8102283 A NL 8102283A NL 8102283 A NL8102283 A NL 8102283A NL 8102283 A NL8102283 A NL 8102283A
Authority
NL
Netherlands
Prior art keywords
alloy
layer
reflection layer
optically readable
readable information
Prior art date
Application number
NL8102283A
Other languages
English (en)
Dutch (nl)
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
Priority to NL8102283A priority Critical patent/NL8102283A/nl
Priority to EP82200362A priority patent/EP0064777A1/de
Priority to JP57051481A priority patent/JPS57186244A/ja
Publication of NL8102283A publication Critical patent/NL8102283A/nl
Priority to US06/935,148 priority patent/US4709363A/en

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
    • 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
    • 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

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
NL8102283A 1981-05-11 1981-05-11 Optisch uitleesbare informatieschijf met een reflectielaag gevormd uit een metaallegering. NL8102283A (nl)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL8102283A NL8102283A (nl) 1981-05-11 1981-05-11 Optisch uitleesbare informatieschijf met een reflectielaag gevormd uit een metaallegering.
EP82200362A EP0064777A1 (de) 1981-05-11 1982-03-24 Optisch lesbare Informationsplatte, die mit einer reflektierenden Metallegierungsschicht versehen ist
JP57051481A JPS57186244A (en) 1981-05-11 1982-03-31 Optical reading information disc
US06/935,148 US4709363A (en) 1981-05-11 1986-11-25 Optically readable information disc having a reflection layer formed from a metal alloy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8102283A NL8102283A (nl) 1981-05-11 1981-05-11 Optisch uitleesbare informatieschijf met een reflectielaag gevormd uit een metaallegering.
NL8102283 1981-05-11

Publications (1)

Publication Number Publication Date
NL8102283A true NL8102283A (nl) 1982-12-01

Family

ID=19837473

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8102283A NL8102283A (nl) 1981-05-11 1981-05-11 Optisch uitleesbare informatieschijf met een reflectielaag gevormd uit een metaallegering.

Country Status (4)

Country Link
US (1) US4709363A (de)
EP (1) EP0064777A1 (de)
JP (1) JPS57186244A (de)
NL (1) NL8102283A (de)

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US6985429B2 (en) 2000-12-28 2006-01-10 Sony Corporation Optical recording medium

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US5208801A (en) * 1988-02-05 1993-05-04 Tandy Corporation Method and apparatus for correcting focus in an optical recording system
US5018128A (en) * 1988-02-05 1991-05-21 Tandy Corporation Apparatus and medium for recording erasable information
US4852077A (en) * 1988-02-05 1989-07-25 Tandy Corporation Optical data storage media with spatially variable energy absorptivity
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US5088087A (en) * 1990-07-25 1992-02-11 Tandy Corporation Dual-metal reflective layer recordable/erasable optical media
US5144613A (en) * 1990-07-26 1992-09-01 Tandy Corporation Thermal bulk erasure method for dye polymer optical media
DE4023884A1 (de) * 1990-07-27 1992-01-30 Hoechst Ag Magnetooptisches aufzeichnungsmedium
US5406544A (en) * 1991-07-25 1995-04-11 Clark; Bryan K. Low cost substrate for bump-forming recording media
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US7374805B2 (en) * 2000-07-21 2008-05-20 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
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US7316837B2 (en) * 2000-07-21 2008-01-08 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
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EP1736558A4 (de) * 2003-12-10 2009-06-17 Tanaka Precious Metal Ind Silberlegierung für einen reflexionsfilm
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US20070014963A1 (en) * 2005-07-12 2007-01-18 Nee Han H Metal alloys for the reflective layer of an optical storage medium
JP2014238896A (ja) * 2013-06-06 2014-12-18 株式会社コベルコ科研 光情報記録媒体用反射膜、光情報記録媒体用反射膜形成用スパッタリングターゲット、および光情報記録媒体

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Also Published As

Publication number Publication date
JPS57186244A (en) 1982-11-16
US4709363A (en) 1987-11-24
EP0064777A1 (de) 1982-11-17

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A1B A search report has been drawn up
BV The patent application has lapsed