JPS57186244A - Optical reading information disc - Google Patents

Optical reading information disc

Info

Publication number
JPS57186244A
JPS57186244A JP57051481A JP5148182A JPS57186244A JP S57186244 A JPS57186244 A JP S57186244A JP 57051481 A JP57051481 A JP 57051481A JP 5148182 A JP5148182 A JP 5148182A JP S57186244 A JPS57186244 A JP S57186244A
Authority
JP
Japan
Prior art keywords
reading information
optical reading
information disc
disc
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.)
Pending
Application number
JP57051481A
Other languages
English (en)
Inventor
Heruharudasu Deiru Aruberutasu
Heruman Buronherusuma Hide
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 JPS57186244A publication Critical patent/JPS57186244A/ja
Pending 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
    • 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)
JP57051481A 1981-05-11 1982-03-31 Optical reading information disc Pending JPS57186244A (en)

Applications Claiming Priority (1)

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.

Publications (1)

Publication Number Publication Date
JPS57186244A true JPS57186244A (en) 1982-11-16

Family

ID=19837473

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57051481A Pending JPS57186244A (en) 1981-05-11 1982-03-31 Optical reading information disc

Country Status (4)

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

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6139951A (ja) * 1984-07-11 1986-02-26 ポリグラム・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 光学的に読出しうる高記録密度の板状情報担体
JPS62154243A (ja) * 1985-12-27 1987-07-09 Pioneer Electronic Corp 光学式記録媒体
US5058098A (en) * 1988-02-17 1991-10-15 Victor Company Of Japan, Ltd. Optical record medium having an improved reflection thin film
WO2004081929A1 (ja) * 2003-03-13 2004-09-23 Mitsubishi Materials Corporation 光記録媒体の反射層形成用銀合金スパッタリングターゲット
US6985429B2 (en) 2000-12-28 2006-01-10 Sony Corporation Optical recording medium
US7027382B2 (en) 2001-06-26 2006-04-11 Ricoh Company, Ltd. Optical recording medium having relation between reflection layer and pit lengths
US7572517B2 (en) 2002-07-08 2009-08-11 Target Technology Company, Llc Reflective or semi-reflective metal alloy coatings
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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JPH066393B2 (ja) * 1984-03-07 1994-01-26 株式会社日立製作所 情報の記録・消去方法
DE3428599A1 (de) * 1984-08-02 1986-02-06 Polygram Gmbh, 2000 Hamburg Verfahren zur herstellung optisch auslesbarer plattenfoermiger informationstraeger
JPH0697514B2 (ja) * 1985-02-21 1994-11-30 シャープ株式会社 磁気光学記憶素子
US5001699A (en) * 1988-02-05 1991-03-19 Tandy Corporation Recording method and apparatus
US5200948A (en) * 1988-02-05 1993-04-06 Tandy Corporation Recording method and apparatus
US4852077A (en) * 1988-02-05 1989-07-25 Tandy Corporation Optical data storage media with spatially variable energy absorptivity
US5088088A (en) * 1988-02-05 1992-02-11 Tandy Corporation Dye-polymer optical data storage media with improved recording sensitivity
US5036511A (en) * 1988-02-05 1991-07-30 Tandy Corporation Recording method and apparatus
US5014259A (en) * 1988-02-05 1991-05-07 Tandy Corporation Recording medium having an insulating layer
US4918682A (en) * 1988-02-05 1990-04-17 Tandy Corporation Ablative and bump-forming optical recording media including a metallic reflective layer
US5090008A (en) * 1988-02-05 1992-02-18 Tandy Corporation Erasable recording media
US5016239A (en) * 1988-02-05 1991-05-14 Tandy Corporation Recording method and apparatus
US5018128A (en) * 1988-02-05 1991-05-21 Tandy Corporation Apparatus and medium for recording erasable information
US5208801A (en) * 1988-02-05 1993-05-04 Tandy Corporation Method and apparatus for correcting focus in an optical recording system
DE3818934A1 (de) * 1988-06-03 1989-12-14 Leybold Ag Optischer aufzeichnungstraeger
EP0350010B1 (en) * 1988-07-07 1993-09-29 Oki Electric Industry Co., Ltd. Magneto-optical recording medium
US5040166A (en) * 1988-10-21 1991-08-13 Oki Electric Industry Co., Ltd. Magneto-optical recording medium having a reflective film of Ag and Mn or Ag, Mn and Sn
US5063097A (en) * 1988-12-16 1991-11-05 Toray Industries, Inc. Optical recording medium
US5032470A (en) * 1989-04-17 1991-07-16 Mitsui Petrochemical Industries, Ltd. Optical recording medium with an aluminum alloy metallic layer containing at least hafnium
PL285286A1 (en) * 1989-05-23 1991-01-28 Mitsui Petrochemical Ind Informating recording medium
US5079758A (en) * 1989-09-28 1992-01-07 Tandy Corporation Single polymer layer recordable/erasable optical media
US5175720A (en) * 1989-05-25 1992-12-29 Tandy Corporation Interactive optical disk
US5242784A (en) * 1990-07-13 1993-09-07 International Business Machines Corporation System and method for optical phase change recording
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
JPH0589517A (ja) * 1991-09-25 1993-04-09 Sony Corp 光デイスク
JP3140148B2 (ja) * 1992-03-13 2001-03-05 パイオニアビデオ株式会社 光学式記録媒体及びその製造方法
JP3292890B2 (ja) * 1992-08-10 2002-06-17 株式会社リコー 光反射放熱用材料を用いた相変化形光記録媒体
US5948497A (en) * 1992-10-19 1999-09-07 Eastman Kodak Company High stability silver based alloy reflectors for use in a writable compact disk
US5464710A (en) * 1993-12-10 1995-11-07 Deposition Technologies, Inc. Enhancement of optically variable images
US6451402B1 (en) 1998-06-22 2002-09-17 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6852384B2 (en) 1998-06-22 2005-02-08 Han H. Nee Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7314657B2 (en) * 2000-07-21 2008-01-01 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6790503B2 (en) * 1998-06-22 2004-09-14 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7384677B2 (en) * 1998-06-22 2008-06-10 Target Technology Company, Llc Metal alloys for the reflective or semi-reflective layer of an optical storage medium
US6905750B2 (en) * 1998-06-22 2005-06-14 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6007889A (en) 1998-06-22 1999-12-28 Target Technology, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6764735B2 (en) 1998-06-22 2004-07-20 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6544616B2 (en) 2000-07-21 2003-04-08 Target Technology Company, Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US7045187B2 (en) * 1998-06-22 2006-05-16 Nee Han H Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
US6677104B2 (en) * 2000-02-10 2004-01-13 Tdk Corporation Optical information medium
US7314659B2 (en) * 2000-07-21 2008-01-01 Target Technology Company, Llc Metal alloys for the reflective or semi-reflective layer of an optical storage medium
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
US7018696B2 (en) * 2003-04-18 2006-03-28 Target Technology Company Llc Metal alloys for the reflective or the semi-reflective layer of an optical storage medium
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
US6944115B2 (en) * 2000-09-29 2005-09-13 General Electric Company Colored data storage media
US6475588B1 (en) 2001-08-07 2002-11-05 General Electric Company Colored digital versatile disks
US6475589B1 (en) 2001-12-17 2002-11-05 General Electric Company Colored optical discs and methods for making the same
CN1290106C (zh) * 2002-03-07 2006-12-13 株式会社理光 光记录媒体及其制造方法
AU2003235373A1 (en) * 2002-05-22 2003-12-02 Fuji Electric Holdings Co., Ltd. Organic el luminescence device
EP1518235B9 (en) * 2002-06-28 2006-08-30 Williams Advanced Materials Inc. Corrosion resistive silver metal alloys for optical data storage and recordable optical storage media containing same
WO2004006228A2 (en) * 2002-07-08 2004-01-15 Academy Corporation Reflective or semi-reflective metal alloy coatings
DE10244200A1 (de) 2002-09-23 2004-04-08 Osram Opto Semiconductors Gmbh Strahlungsemittierendes Halbleiterbauelement
JP2005190642A (ja) * 2003-12-03 2005-07-14 Ricoh Co Ltd 光記録媒体
JPWO2005056848A1 (ja) * 2003-12-10 2007-07-05 田中貴金属工業株式会社 反射膜用の銀合金
JP4382646B2 (ja) * 2004-05-17 2009-12-16 株式会社リコー 光記録媒体とその製造方法
US20070014963A1 (en) * 2005-07-12 2007-01-18 Nee Han H Metal alloys for the reflective layer of an optical storage medium

Family Cites Families (11)

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DE2439848C2 (de) * 1973-08-20 1985-05-15 Canon K.K., Tokio/Tokyo Verfahren zum Aufzeichnen mittels eines Laserstrahls
US3982066A (en) * 1975-07-25 1976-09-21 Rca Corporation Metal coating for video discs
DE2615605C2 (de) * 1976-04-09 1978-06-01 Polygram Gmbh, 2000 Hamburg Scheibenförmiger Informationsträger und Verfahren zu seiner Herstellung
US4091454A (en) * 1976-11-02 1978-05-23 International Business Machines Corporation Self-centering disk having an eccentric elliptical-shaped center locating hole
JPS5414706A (en) * 1977-07-05 1979-02-03 Mitsubishi Electric Corp Information recording disc
NL7713710A (nl) * 1977-12-12 1979-06-14 Philips Nv Schijfvormige informatiedrager met afdeklagen.
NL7803069A (nl) * 1978-03-22 1979-09-25 Philips Nv Meerlaags informatieschijf.
FR2474223A1 (fr) * 1980-01-23 1981-07-24 Thomson Csf Procede d'inscription thermo-optique d'information et support d'information destine a la mise en oeuvre de ce procede
FR2474222A1 (fr) * 1980-01-23 1981-07-24 Thomson Csf Procede d'inscription thermo-optique d'information et support d'information destine a la mise en oeuvre de ce procede
US4363844A (en) * 1980-09-22 1982-12-14 Lewis Terry W Metallized information carrying discs
US4331966A (en) * 1980-10-06 1982-05-25 Storage Technology Corporation Information storage device and method of forming same

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6139951A (ja) * 1984-07-11 1986-02-26 ポリグラム・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング 光学的に読出しうる高記録密度の板状情報担体
JPH0427616B2 (ja) * 1984-07-11 1992-05-12 Polygram Gmbh
JPS62154243A (ja) * 1985-12-27 1987-07-09 Pioneer Electronic Corp 光学式記録媒体
US5058098A (en) * 1988-02-17 1991-10-15 Victor Company Of Japan, Ltd. Optical record medium having an improved reflection thin film
US6985429B2 (en) 2000-12-28 2006-01-10 Sony Corporation Optical recording medium
US7027382B2 (en) 2001-06-26 2006-04-11 Ricoh Company, Ltd. Optical recording medium having relation between reflection layer and pit lengths
US7352680B2 (en) 2001-06-26 2008-04-01 Ricoh Company, Ltd. Optical recording medium having relation between reflection layer and pit length
US7572517B2 (en) 2002-07-08 2009-08-11 Target Technology Company, Llc Reflective or semi-reflective metal alloy coatings
WO2004081929A1 (ja) * 2003-03-13 2004-09-23 Mitsubishi Materials Corporation 光記録媒体の反射層形成用銀合金スパッタリングターゲット
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

Also Published As

Publication number Publication date
US4709363A (en) 1987-11-24
NL8102283A (nl) 1982-12-01
EP0064777A1 (en) 1982-11-17

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