AU6516790A - Single retention/reflective layer recordable/erasable optical media - Google Patents

Single retention/reflective layer recordable/erasable optical media

Info

Publication number
AU6516790A
AU6516790A AU65167/90A AU6516790A AU6516790A AU 6516790 A AU6516790 A AU 6516790A AU 65167/90 A AU65167/90 A AU 65167/90A AU 6516790 A AU6516790 A AU 6516790A AU 6516790 A AU6516790 A AU 6516790A
Authority
AU
Australia
Prior art keywords
reflective layer
optical media
erasable optical
single retention
layer recordable
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.)
Abandoned
Application number
AU65167/90A
Other languages
English (en)
Inventor
Bryan K. Clark
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.)
Tandy Corp
Original Assignee
Tandy 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
Application filed by Tandy Corp filed Critical Tandy Corp
Publication of AU6516790A publication Critical patent/AU6516790A/en
Abandoned 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
    • G11B7/258—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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00452—Recording involving bubble or bump forming
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0055—Erasing
    • 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
    • G11B7/242—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
    • G11B7/243—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 inorganic materials only, e.g. ablative 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
    • G11B7/242—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
    • G11B7/245—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 a polymeric component
    • 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
    • G11B7/243—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 inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/2431—Metals or metalloids group 13 elements (B, Al, Ga, In)
    • 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
    • G11B7/243—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 inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
AU65167/90A 1989-09-28 1990-09-26 Single retention/reflective layer recordable/erasable optical media Abandoned AU6516790A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41404489A 1989-09-28 1989-09-28
US414044 1989-09-28

Publications (1)

Publication Number Publication Date
AU6516790A true AU6516790A (en) 1991-04-28

Family

ID=23639726

Family Applications (1)

Application Number Title Priority Date Filing Date
AU65167/90A Abandoned AU6516790A (en) 1989-09-28 1990-09-26 Single retention/reflective layer recordable/erasable optical media

Country Status (3)

Country Link
CN (1) CN1051446A (zh)
AU (1) AU6516790A (zh)
WO (1) WO1991005343A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5392272A (en) * 1993-03-29 1995-02-21 Sri International Single erasable optical recording layer having both retention and expansion characteristics
US6451924B1 (en) 1999-06-11 2002-09-17 Dow Global Technologies Inc. Hydrogenated block copolymers and optical media discs produced therefrom
JP2003502456A (ja) 1999-06-11 2003-01-21 ザ ダウ ケミカル カンパニー 水素化ブロックコポリマー及びそれから製造された光メディアディスク
JP2003507500A (ja) 1999-08-16 2003-02-25 ザ ダウ ケミカル カンパニー 水素添加ブロック共重合体および光媒体ディスク
JP2004348830A (ja) * 2003-05-21 2004-12-09 Samsung Electronics Co Ltd 微細構造描画用多層構造体と描画方法、及びそれを利用した光ディスクの原盤作製方法及びマスタリング方法
CN108546458B (zh) * 2018-05-17 2020-06-12 哈尔滨工业大学 一种光热转化能力可随环境温度变化的复合涂层及其制备方法
CN114905139A (zh) * 2021-02-09 2022-08-16 中国科学院半导体研究所 采用激光清除光盘数据的装置及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6028045A (ja) * 1983-07-25 1985-02-13 Sony Corp 情報記録媒体
US4852075A (en) * 1983-08-22 1989-07-25 Optical Data, Inc. Erasable optical data storage medium and method and apparatus for recording data on the medium
JPS63200331A (ja) * 1987-02-13 1988-08-18 Toshiba Corp 記録媒体及び記録再生方法
US4852077A (en) * 1988-02-05 1989-07-25 Tandy Corporation Optical data storage media with spatially variable energy absorptivity
US4896314A (en) * 1988-04-19 1990-01-23 Optical Data, Inc. Bump-forming media including thin intermediate reflective layer and methods for writing, reading, and erasing same

Also Published As

Publication number Publication date
WO1991005343A1 (en) 1991-04-18
CN1051446A (zh) 1991-05-15

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