KR950020500A - 다중 데이타 면 광학 데이타 기억 장치 - Google Patents

다중 데이타 면 광학 데이타 기억 장치 Download PDF

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KR950020500A
KR950020500A KR1019940034540A KR19940034540A KR950020500A KR 950020500 A KR950020500 A KR 950020500A KR 1019940034540 A KR1019940034540 A KR 1019940034540A KR 19940034540 A KR19940034540 A KR 19940034540A KR 950020500 A KR950020500 A KR 950020500A
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data storage
semiconductor material
optical data
optical
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이사미 이마이노 웨인
저비스 로젠 할
알랜 루빈 커트
칼 스트랜드 티모씨
와이-충 탕 와떠
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윌리엄 티. 엘리스
인터내셔널 비지네스 머신즈 코포레이션
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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
    • G11B7/24—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
    • 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
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    • G11B7/257—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B7/2578—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
    • G—PHYSICS
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    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
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    • G11—INFORMATION STORAGE
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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    • G11B2007/25705—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
    • G11B2007/25708—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing group 13 elements (B, Al, Ga)
    • 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
    • G11B7/257—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B2007/25705—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
    • G11B2007/2571—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing group 14 elements except carbon (Si, Ge, Sn, Pb)
    • 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
    • G11B7/257—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B2007/25705—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
    • G11B2007/25711—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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
    • 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
    • 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]
    • 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

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
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  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

광학 데이타 기억장치는 다중 데이타 면 매체 및 광학 헤드를 포함한다. 이 매체는 광 투광성 매체에 의해 분리되는 다수의 기판을 포함한다. 데이타 면들은 기판 면상에 위치 설정된다. 반도체 물질층은 각 데이타 면상에 피착된다. 반도체층의 두께는 각 데이타 면에 반사량을 결정한다.

Description

다중 데이타 면 광학 데이타 기억 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 광학 데이타 기억 장치의 개략적인 다이어그램,
제5도는 본 발명의 일실시예에 따른 광 퍼센테이지 대 층 두께를 나타내는 그래프,
제9도는 본 발명의 채널 회로의 회로 다이어그램,
제10도는 본 발명의 제어기 회로의 개략적인 다이어그램.

Claims (33)

  1. 반도체 물질층이 피착되어 있으며, 기록된 데이타를 기억하기 위한 제1데이타 면을 가진 제1의 방사 투과성 부재(first radiation transmissive member), 기록된 데이타를 기억하기 위한 제2데이타 면을 가진 제2부재, 공간 이격된 관계로 제1 및 제2데이타 면을 지지하기 위한 수단, 매체의 제1측면으로부터의 방사빔이 제1 또는 제2데이타 면 중 어느 한 면에 집속되도록 상기 제1데이타 면과 제2데이타 면간에 위치 설정된 투과성 매체(radiation transmissive medium)를 구비하는 것을 특징으로 하는 광학 데이타 기억 매체.
  2. 제1항에 있어서, 상기 방사 투과성 매체는 고체의 투명 물질인 것을 특징으로 하는 광학 데이타 기억 매체.
  3. 제1항에 있어서, 상기 방사 투과성 매체는 고체의 투명 물질인 것을 특징으로 하는 광학 데이타 기억 매체.
  4. 제1항에 있어서, 상기 제2데이타 면은 그 위에 피착되는 반도체 물질층을 갖는 것을 특징으로 하는 광학 데이타 기억 매체.
  5. 제1항에 있어서, 상기 데이타 면들은 ROM 데이타 면인 것을 특징으로 하는 광학 데이타 기억 매체.
  6. 제1항에 있어서, 상기 반도체 물질은 C,Si,Ge,Sn,Pb로 구성되는 그룹으로부터의 적어도 하나의 원소로 이루어지는 것을 특징으로 하는 광학 데이타 기억 매체.
  7. 제1항에 있어서, 상기 반도체 물질은 아몰퍼스 실리콘인 것을 특징으로 하는 광학 데이타 기억 매체.
  8. 제1항에 있어서, 상기 반도체 물질은 AxB1-x인데, 여기서 A는 B,Al,Ga,In 및 Tl로 이루어진 그룹으로부터의 적어도 하나의 원소이고, B는 N,P,As,Sb 및 Bi로 이루어진 그룹으로부터의 적어도 하나의 원소이며, 그리고 0＜X＜1인 것을 특징으로 하는 광학 데이타 기억 매체.
  9. 제1항에 있어서, 상기 반도체 물질은 GaAs인 것을 특징으로 하는 광학 데이타 기억 매체.
  10. 제1항에 있어서, 상기 반도체 물질은 AlAs인 것을 특징으로 하는 광학 데이타 기억 매체.
  11. 제1항에 있어서, 상기 반도체 물질은 AiP인 것을 특징으로 하는 광학 데이타 기억 매체.
  12. 제1항에 있어서, 상기 반도체 물질은 AlSb인 것을 특징으로 하는 광학 데이타 기억 매체.
  13. 제1항에 있어서, 상기 반도체 물질은 GaP인 것을 특징으로 하는 광학 데이타 기억 매체.
  14. 제1항에 있어서, 상기 반도체 물질은 GaN인 것을 특징으로 하는 광학 데이타 기억 매체.
  15. 제1항에 있어서, 상기 반도체 물질은 GaSb인 것을 특징으로 하는 광학 데이타 기억 매체.
  16. 제1항에 있어서, 상기 반도체 물질은 InP인 것을 특징으로 하는 광학 데이타 기억 매체.
  17. 제1항에 있어서, 상기 반도체 물질은 InAs인 것을 특징으로 하는 광학 데이타 기억 매체.
  18. 제1항에 있어서, 상기 반도체 물질은 InSb인 것을 특징으로 하는 광학 데이타 기억 매체.
  19. 방사원, 반도체 물질층이 피착되어 있고, 기록된 데이타를 기억하기 위한 제1데이타 면을 가진 제1방사 투과성 부재, 기록된 데이타를 기억하기 위한 제2데이타 면을 가진 제2부재, 공간 이격된 관계로 상기 제1 및 제2데이타 면을 지지하기 위한 수단, 매체의 제1측면으로부터 방사빔이 제1 또는 제2데이타 면 중 어느 한 면에 집속되도록 상기 제1데이타 면과 상기 제2데이타 면 중 어느 한 면에 집속되도록 상기 제1데이타 면과 상기 제2데이타 면 간의 위치 설정된 방사 투과성 매체를 구비하는 광학매체, 상기 방사원으로부터의 방사빔을 상기 광학매체의 데이타 면중 하나로 지향하기 위한 광학 투과 수단, 상기 광학 매체로부터 반사된 방사 빔을 수신하고 이에 응답하여 데이타 신호를 제공하기 위한 광학 수신 수단을 구비하는 것을 특징으로 하는 광학 데이타 기억 장치.
  20. 제19항에 있어서, 상기 방사 투과성 매체는 공기인 것을 특징으로 하는 광학 데이타 기억 장치.
  21. 제19항에 있어서, 상기 방사 투과성 매체는 고체의 투명 물질인 것을 특징으로 하는 광학 데이타 기억 장치.
  22. 제19항에 있어서, 상기 제2데이타 면은 그 위에 피착되는 반도체 물질층을 갖는 특징으로 하는 광학 데이타 기억 장치.
  23. 제19항에 있어서, 상기 데이타 면은 ROM 데이타 면인 것을 특징으로 하는 광학 데이타 기억 장치.
  24. 제19항에 있어서, 상기 반도체 물질은 C,Si,Ge,Sn,Pb로 구성되는 그룹으로부터의 적어도 하나의 원소로 이루어지는 것을 특징으로 하는 광학 데이타 기억 장치.
  25. 제19항에 있어서, 상기 반도체 물질은 아몰퍼스 실리콘인 것을 특징으로 하는 광학 데이타 기억 장치.
  26. 제19항에 있어서, 상기 반도체 물질은 AxB1-x인데, 여기서 A는 B,Al,Ga,In 및 Tl으로 구성되는 그룹으로부터의 적어도 하나의 원소이고, B는 N,P,As,Sb 및 Bi로 구성되는 그룹으로부터의 적어도 하나의 원소이며, 그리고 0＜X＜1인 것을 특징으로 하는 광학 데이타 기억 장치.
  27. 제19항에 있어서, 상기 반도체 물질은 GaAs인 것을 특징으로 하는 광학 데이타 기억 장치.
  28. 제19항에 있어서, 상기 반도체 물질은 AlAs인 것을 특징으로 하는 광학 데이타 기억 장치.
  29. 제19항에 있어서, 상기 반도체 물질은 AlP인 것을 특징으로 하는 광학 데이타 기억 장치.
  30. 제19항에 있어서, 상기 반도체 물질은 AlSb인 것을 특징으로 하는 광학 데이타 기억 장치.
  31. 제19항에 있어서, 상기 반도체 물질은 GaB인 것을 특징으로 하는 광학 데이타 기억 장치.
  32. 제19항에 있어서, 상기 반도체 물질은 GaN인 것을 특징으로 하는 광학 데이타 기억 장치.
  33. 제19항에 있어서, 상기 반도체 물질은 GaSb인 것을 특징으로 하는 광학 데이타 기억 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940034540A 1993-12-15 1994-12-13 다중 데이타 면 광학 데이타 저장 장치 KR0153025B1 (ko)

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