KR840008876A - 고감도 광학기록매체 및 그 제조방법 - Google Patents

고감도 광학기록매체 및 그 제조방법 Download PDF

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KR840008876A
KR840008876A KR1019840000724A KR840000724A KR840008876A KR 840008876 A KR840008876 A KR 840008876A KR 1019840000724 A KR1019840000724 A KR 1019840000724A KR 840000724 A KR840000724 A KR 840000724A KR 840008876 A KR840008876 A KR 840008876A
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optical recording
recording medium
layer
high sensitivity
medium according
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KR1019840000724A
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KR920002556B1 (ko
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알란 리네하트 토마스 (외 2)
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도날드 밀러 셸
미네소타 마이닝 앤드 매뉴팩츄어링 컴패니
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    • 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
    • G11B7/0045—Recording
    • G11B7/00451—Recording involving ablation of the recording layer
    • 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
    • G11B7/24067—Combinations of two or more layers with specific interrelation
    • 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • G11B2007/24306—Metals or metalloids transition metal elements of groups 3-10
    • 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
    • G11B2007/24318—Non-metallic elements
    • G11B2007/24328—Carbon
    • 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
    • G11B7/2531—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 glass
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/146—Laser beam

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

Abstract

내용 없음

Description

고감도 광학기록매체 및 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 3중층 광학기록매체의 횡단면도. 제2도는 본 발명의 2중층 광학기록매체의 횡단면도.
제3도는 본 발명의 단일층 광학기록매체의 횡단면도.

Claims (13)

  1. 광학적으로 평탄하고 디스크형상으로 된 중합체 즉, 유리기판(12, 22 또는 32)과 그리고 촛점조정되고 변조된 광비임에 의해 나타나는 이산특징형태로 정보를 기록할 수 있는 1 내지 60nm의 두께를 가진 광흡수 층(18, 28 또는 38)을 구비한 광학기록매체(10, 20 또는 30)에 있어서, 상기 광흡수층은 철, 크로뮴 및 이것의 합금으로부터 선택된 금속탄화물로 구성된 것을 특징으로 하는 고감도 광학기록매체.
  2. 제1항에 있어서, 광학스페이서층(16 또는 26)이 광흡수층(18 또는 28)바로 밑에 있는 것을 특징으로 하는 고감도 광학기록매체.
  3. 제2항에 있어서, 반사층(16)이 광학스페이서 층(16) 바로 밑에 있는 것을 특징으로 하는 고감도 광학기록매체.
  4. 제2항 또는 제3항에 있어서, 상기층들의 두께가 간섭적으로 비반사상태를 형성하도록 선택되어 있는 것을 특징으로 하는 고감도 광학기록매체.
  5. 제1항 내지 제4항 중 어느 한 항에 있어서, 부착보조층(11)이 상기기판에 인접해 있는 것을 특징으로 하는 고감도 광학기록매체.
  6. 제1항 내지 제4항 중 어느 한 항에 있어서, 정보를 표시하는 이산특징이 광흡수층에 형성되어 있는 것을 특징으로 하는 고감도 광학기록매체.
  7. 제6항에 있어서, 상기 이산특징이 피트(40)인 것을 특징으로 하는 고감도 광학기록매체.
  8. 제6항에 있어서, 상기 이산특징이 버블(42)인 것을 특징으로 하는 고감도 광학기록매체.
  9. 제 광학적으로 편평한 디스크형상의 중합체, 즉 유리기판과 1 내지 60nm의 두께를 가진 광흡수층상에 융착하는 단계를 구비한 광학기록매체를 제조하는 방법에 있어서, 상기 광흡수층이 철, 크로뮴 및 이것들의 합금으로부터 선택된 금속탄화물로 구성하는 것을 특징으로 하는 고감도 광학기록매체의 제조방법.
  10. 제9항에 있어서, 광학스페이서층을 기판에 부착하는 단계와, 상기 광흡수층을 광학스페이서층에 부착하는 단계를 구비한 것을 특징으로 하는 고감도 광학기록매체의 제조방법.
  11. 제10항에 있어서, 반사층을 기판에 부착하는 단계와, 상기 광학스페이서층을 반사층에 부착하는 단계를 구비하는 것을 특징으로 하는 고감도 광학기록매체의 제조방법.
  12. 제11항에 있어서, 반사층을 부착하기전에 부착보조층을 기판에 부착하는 것을 특징으로 하는 고감도 광학기록매체의 제조방법.
  13. 제9항 내지 제12항 중 어느 한 항에 있어서, 기판이 그것의 축위에서 회전할 동안 변조된 레이저 다이오드 비임을 광흡수층상에 촛점조정하므로서 정보를 표시하는 광흡수층의 이산특징을 나타내는 것을 특징으로 하는 고감도 광학기록매체의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840000724A 1983-02-15 1984-02-15 고감도 광학 기록 매체 및 그 제조 방법 KR920002556B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US466,435 1983-02-15
US06/466,435 US4556893A (en) 1983-02-15 1983-02-15 Optical recording medium of high sensitivity
US466435 1983-02-15

Publications (2)

Publication Number Publication Date
KR840008876A true KR840008876A (ko) 1984-12-19
KR920002556B1 KR920002556B1 (ko) 1992-03-27

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Country Link
US (1) US4556893A (ko)
EP (1) EP0119740B1 (ko)
JP (1) JPS59156792A (ko)
KR (1) KR920002556B1 (ko)
CA (1) CA1219572A (ko)
DE (1) DE3467269D1 (ko)
HK (1) HK41688A (ko)

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US4950579A (en) * 1988-07-08 1990-08-21 Minnesota Mining And Manufacturing Company Optical disc recording medium having a microstructure-derived inhomogeneity or anisotropy
US5155723A (en) * 1988-07-30 1992-10-13 Yuden Co., Ltd. Taiyo Optical information recording method and medium
CA2017284C (en) * 1989-07-04 1995-10-03 Kazutomi Suzuki Optical recording medium
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US20070003731A1 (en) * 2005-06-29 2007-01-04 Micron Technology, Inc. Gold-semiconductor phase change memory for archival data storage
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US10723160B2 (en) * 2018-01-23 2020-07-28 Ferro Corporation Carbide, nitride and silicide enhancers for laser absorption
AU2019461917B2 (en) 2019-08-14 2022-08-25 Ceramic Data Solutions GmbH Method for long-term storage of information and storage medium therefor
CA3184849A1 (en) 2020-07-03 2022-01-06 Martin Kunze Information storage method and information storage medium with increased storage density by multi-bit coding
AU2020456046B2 (en) 2020-07-03 2024-01-25 Ceramic Data Solutions GmbH Increased storage capacity for a method for long-term storage of information and storage medium therefor
EP3955248A1 (en) 2020-08-11 2022-02-16 Christian Pflaum Data recording on ceramic material
JP2024511045A (ja) 2021-03-16 2024-03-12 セラミック・データ・ソリューションズ・ゲーエムベーハー 超解像技術を利用したデータキャリア、読出方法およびシステム
AU2022438540A1 (en) 2022-02-07 2024-06-06 Ceramic Data Solutions GmbH Compact writing and reading head for data recording on ceramic material
WO2024037711A1 (en) 2022-08-17 2024-02-22 Ceramic Data Solutions GmbH Compact writing and reading head for hyper speed data recording on ceramic material

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DE2522928C2 (de) * 1974-05-25 1984-04-05 Canon K.K., Tokyo Aufzeichnungsträger, Verfahren zu dessen Herstellung und Aufzeichnungsverfahren
US4097895A (en) * 1976-03-19 1978-06-27 Rca Corporation Multilayer optical record
US4216501A (en) * 1977-03-28 1980-08-05 Rca Corporation Optical anti-reflective information record
JPS5814318B2 (ja) * 1978-06-26 1983-03-18 富士写真フイルム株式会社 熱的記録材料
US4264911A (en) * 1979-08-20 1981-04-28 Mca Discovision, Inc. Optical recording disc and related method of manufacture
US4300227A (en) * 1979-10-17 1981-11-10 Rca Corporation Replicable optical recording medium
US4285056A (en) * 1979-10-17 1981-08-18 Rca Corporation Replicable optical recording medium
US4430659A (en) * 1981-02-13 1984-02-07 Minnesota Mining And Manufacturing Company Protuberant optical recording medium
JPS5933320B2 (ja) * 1981-04-03 1984-08-15 株式会社東芝 光学的情報記録媒体
NL8200415A (nl) * 1982-02-04 1983-09-01 Philips Nv Optische uitleesbare informatieschijf.

Also Published As

Publication number Publication date
EP0119740A2 (en) 1984-09-26
JPH0415754B2 (ko) 1992-03-18
EP0119740B1 (en) 1987-11-04
DE3467269D1 (en) 1987-12-10
KR920002556B1 (ko) 1992-03-27
US4556893A (en) 1985-12-03
JPS59156792A (ja) 1984-09-06
HK41688A (en) 1988-06-10
EP0119740A3 (en) 1984-11-21
CA1219572A (en) 1987-03-24

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