KR910015976A - 정보기록매체 - Google Patents

정보기록매체 Download PDF

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Publication number
KR910015976A
KR910015976A KR1019900002257A KR900002257A KR910015976A KR 910015976 A KR910015976 A KR 910015976A KR 1019900002257 A KR1019900002257 A KR 1019900002257A KR 900002257 A KR900002257 A KR 900002257A KR 910015976 A KR910015976 A KR 910015976A
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KR
South Korea
Prior art keywords
information recording
recording medium
recording layer
layer
common metal
Prior art date
Application number
KR1019900002257A
Other languages
English (en)
Inventor
나오마사 나카무라
Original Assignee
아오이 죠이치
가부시키가이샤 도시바
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
Priority claimed from JP1042409A external-priority patent/JPH02219689A/ja
Priority claimed from JP1042408A external-priority patent/JPH02219688A/ja
Priority claimed from JP1042407A external-priority patent/JPH02219687A/ja
Application filed by 아오이 죠이치, 가부시키가이샤 도시바 filed Critical 아오이 죠이치
Publication of KR910015976A publication Critical patent/KR910015976A/ko

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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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00455—Recording involving reflectivity, absorption or colour changes
    • 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
    • G11B7/2433—Metals or elements of Groups 13, 14, 15 or 16 of the Periodic Table, e.g. B, Si, Ge, As, Sb, Bi, Se or Te
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated 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
    • G11B7/241—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
    • G11B7/243—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
    • G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
    • 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)
    • 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
    • G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • 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
    • G11B7/253—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 substrates
    • G11B7/2533—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 substrates comprising resins
    • G11B7/2534—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 substrates comprising resins polycarbonates [PC]

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

내용 없음

Description

정보기록매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 및 제2도는 본 발명의 실시예에 관계된 정보기록매체의 단면도, 제3도는 기록층을 형성하기 위한 스푸터링장치(sputtering 裝置)의 개략적인 구성을 나타낸 종단면도.

Claims (9)

  1. 기판(1)과, 이 기판(1)상에 형성된 제1기록층(3,7)및 이 제1기록층(3,7)상에 형성된 제2기록층(4,9)을 갖춘 정보기록매체에 있어서, 상기 제1기록층(3,7)및 제2기록층(4,9)이 각각 적어도 1개의 금속을 포함한 복수의 금속을 공통적으로 갖춘것을 특징으로 하는 정보기록매체.
  2. 제1항에 있어서, 소정에너지레벨을 초과하는 광선이 조사될때, 상기 제1기록층(3,7)및 제2기록층(4,9)이 융합하여 단일층(5,10)을 형성하는 것을 특징으로 하는 정보기록매체.
  3. 제1항에 있어서, 다시 상기 공통금속을 함유하지 않은 제3기록층(8)을 갖춘 것을 특징으로 하는 정보기록매체.
  4. 제3항에 있어서, 상기 제3기록층(8)이 상기 제1기록층(7)과 제2기록층(9)의 사이에 존재하는 것을 특징으로 하는 정보기록매체.
  5. 제1항에 있어서, 상기 공통금속이 Se인 것을 특징으로 하는 정보기록매체.
  6. 제1항에 있어서, 상기 공통금속이 Te인 것을 특징으로 하는 정보기록매체.
  7. 기판(1)및 이 기판(1)상에 형성된 복수층(3/7, 4/9) 하나하나가 적어도 1개의 공통금속을 포함한 복수의 금속을 갖추고 있는바, 이 복수층(3/7, 4/9) 으로 이루어진 기록층(2,6)을 갖춘 정보기록매체를 준비하고, 이 정보기록매체를 가열하면 융합하여 단일층(5,10)을 형성하는 것을 특징으로 하는 정보기록매체.
  8. 제7항에 있어서, 상기 공통금속이 Se인 것을 특징으로 하는 정보기록방법.
  9. 제7항에 있어서, 상기 공통금속이 Te인 것을 특징으로 하는 정보기록방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900002257A 1989-02-22 1990-02-22 정보기록매체 KR910015976A (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP1042409A JPH02219689A (ja) 1989-02-22 1989-02-22 情報記録媒体
JP1042408A JPH02219688A (ja) 1989-02-22 1989-02-22 情報記録媒体
JP1042407A JPH02219687A (ja) 1989-02-22 1989-02-22 情報記録媒体
JP1-042409 1989-02-22
JP1-42407 1989-02-22
JP1-042408 1989-02-22

Publications (1)

Publication Number Publication Date
KR910015976A true KR910015976A (ko) 1991-09-30

Family

ID=27291205

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900002257A KR910015976A (ko) 1989-02-22 1990-02-22 정보기록매체

Country Status (2)

Country Link
KR (1) KR910015976A (ko)
DE (1) DE4005315A1 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07141693A (ja) * 1993-09-22 1995-06-02 Toshiba Corp 情報記録媒体
GB9326508D0 (en) * 1993-12-29 1994-03-02 Johnson Matthey Plc Data storage media
US5585158A (en) * 1995-06-07 1996-12-17 Eastman Kodak Company Recordable optical element using low absorption materials
ATE408879T1 (de) * 2004-10-19 2008-10-15 Moser Baer India Ltd Mastersubstrat und verfahren zur herstellung einer hochdichten reliefstruktur

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959799A (en) * 1974-09-09 1976-05-25 International Business Machines Corporation Information storage by laser beam initiated reactions
NL7902542A (nl) * 1979-04-02 1980-10-06 Philips Nv Optische registratie-inrichting met meerdere ablatieve registreerlagen.
JPS60160036A (ja) * 1984-01-28 1985-08-21 Toshiba Corp 光デイスク
JPH0695388B2 (ja) * 1985-06-14 1994-11-24 株式会社東芝 情報記録媒体

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Publication number Publication date
DE4005315A1 (de) 1990-08-23

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