KR900016972A - 광기록매체 및 그 제조방법 - Google Patents

광기록매체 및 그 제조방법 Download PDF

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Publication number
KR900016972A
KR900016972A KR1019900004628A KR900004628A KR900016972A KR 900016972 A KR900016972 A KR 900016972A KR 1019900004628 A KR1019900004628 A KR 1019900004628A KR 900004628 A KR900004628 A KR 900004628A KR 900016972 A KR900016972 A KR 900016972A
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KR
South Korea
Prior art keywords
recording medium
optical recording
recording layer
protective film
medium according
Prior art date
Application number
KR1019900004628A
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English (en)
Inventor
고지 쓰즈기야마
히데히꼬 하시모또
Original Assignee
다께바야시 쇼오고
미쓰이세끼유가가꾸 고오교오 가부시끼가이샤
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Publication date
Priority claimed from JP1087306A external-priority patent/JPH02265051A/ja
Priority claimed from JP1087307A external-priority patent/JPH02265052A/ja
Application filed by 다께바야시 쇼오고, 미쓰이세끼유가가꾸 고오교오 가부시끼가이샤 filed Critical 다께바야시 쇼오고
Publication of KR900016972A publication Critical patent/KR900016972A/ko

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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
    • 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
    • G11B7/254—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 protective topcoat 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
    • G11B7/254—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 protective topcoat layers
    • G11B7/2548—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 protective topcoat layers consisting essentially of inorganic materials
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form 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
    • 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
    • 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
    • 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
    • G11B7/252—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
    • G11B2007/25706—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 transition metal elements (Zn, Fe, Co, Ni, Pt)
    • 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
    • G11B2007/25713—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 nitrogen

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

Abstract

내용 없음

Description

광기록매체 및 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제도는 본 발명의 일 실시예에 의한 광기록매체의 단면도,
제2도는 본 발명의 다른 실시예에 의한 광기록매체의 단면도.

Claims (7)

  1. 기판위에 기록층을 갖고 이 기록층의 광반사측 및/또는 광투과측에 보호막을 갖는 광기록매체이고 상기 보호막이 적어도 Si, Cr 및 N을 함유함을 특징으로 하는 광기록매체.
  2. 제1항에 있어서, 상기 보호막중에 함유된 Si와.Cr의 원자수비는 식 Si1-xCrx. (식중,x는 0.05x0.4이다)로 표시됨을 특징으로 하는 광기록매체.
  3. 제1항 또는 제2항에 있어서, 상기 기록층이 기록층을 구성하는 막의 막면에 대해서 수직방향으로 1측 자기이방성을 갖는 광자기 기록층인 것을 특징으로 하는 광기록매체.
  4. 제1항 또는 2항에 있어서, 상기 기록층이 에너지빔의 입사에 의해서, 반사율 및/또는 투과율등외 광학적 특성이 변화되는 기록재료로 된 박막인 것을 특징으로 하는 광기록매체.
  5. 기판위에 기록층과 보호막을 갖는 광기록 매체를 제조하는 방법에 있어서, Si보다 비전기저항이 적은 금속원소, 반금속원소, 반도체원소에서 선택한 적어도 1종이상의 원소와 Si로 된 합금 타게트를 음극캐소드로 하고, 적어도 회유가스와 N2가스를 함유한 혼합가스분위기중에서 DC마그네트론 스퍼터링법으로 상기 보호막의 성막을 행하는 것을 특징으로 하는 광기록매체의 제조방법.
  6. 제5항에 있어서, 상기 보호막이 기록층의 광반사측 및/또는 광투과측에 형성된 것을 특징으로 하는 광기록 매체의 제조방범.
  7. 제5항에 있어서, Si보다도 비전기 저항이 적은 원소가 Cr인 것을 특징으로 하는 광기록매체의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900004628A 1989-04-06 1990-04-04 광기록매체 및 그 제조방법 KR900016972A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1-87306 1989-04-06
JP1087306A JPH02265051A (ja) 1989-04-06 1989-04-06 光記録媒体
JP1-87307 1989-04-06
JP1087307A JPH02265052A (ja) 1989-04-06 1989-04-06 光記録媒体の製造方法

Publications (1)

Publication Number Publication Date
KR900016972A true KR900016972A (ko) 1990-11-15

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ID=26428598

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900004628A KR900016972A (ko) 1989-04-06 1990-04-04 광기록매체 및 그 제조방법

Country Status (6)

Country Link
EP (1) EP0391423A3 (ko)
KR (1) KR900016972A (ko)
CN (1) CN1046226A (ko)
CA (1) CA2013867A1 (ko)
CS (1) CS163590A3 (ko)
RU (1) RU1838830C (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2254620B (en) * 1991-03-25 1994-10-05 Kobe Steel Ltd Manufacturing method of magnetic disk
US5328813A (en) * 1992-06-30 1994-07-12 The Dow Chemical Company Method for the preparation of optical recording media containing overcoat
US6660451B1 (en) * 1999-06-18 2003-12-09 Matsushita Electric Industrial Co., Ltd. Optical information recording medium
TW527592B (en) 2001-03-19 2003-04-11 Matsushita Electric Ind Co Ltd Optical information recording media, and the manufacturing method and record regeneration method of the same
JP4198918B2 (ja) * 2002-02-14 2008-12-17 日鉱金属株式会社 硫化亜鉛を主成分とするスパッタリングターゲット及び該スパッタリングターゲットの製造方法
TW200401237A (en) * 2002-07-05 2004-01-16 Lintec Corp Laminate sheet, laminate sheet roll, and producing methods therefor
JP2005251279A (ja) * 2004-03-03 2005-09-15 Nec Corp 光学的情報記録媒体及びその製造方法
CN101794598A (zh) * 2010-01-27 2010-08-04 东莞宏威数码机械有限公司 单面双层光盘及其制造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61198450A (ja) * 1985-02-27 1986-09-02 Fujitsu Ltd 光デイスク保護膜の形成方法
JPS62229550A (ja) * 1986-03-29 1987-10-08 Toshiba Corp 光デイスクの製造方法及び製造装置
JPS62232735A (ja) * 1986-04-02 1987-10-13 Seiko Epson Corp 光記録媒体
JPS6376860A (ja) * 1986-09-18 1988-04-07 Fujitsu Ltd 薄膜形成方法
JPS6374142A (ja) * 1986-09-18 1988-04-04 Seiko Epson Corp 光磁気記録媒体
JPS6381643A (ja) * 1986-09-26 1988-04-12 Mitsubishi Kasei Corp 光磁気媒体
JP2700883B2 (ja) * 1986-12-26 1998-01-21 ティーディーケイ株式会社 光記録媒体

Also Published As

Publication number Publication date
CS163590A3 (en) 1992-06-17
CN1046226A (zh) 1990-10-17
EP0391423A2 (en) 1990-10-10
CA2013867A1 (en) 1990-10-06
EP0391423A3 (en) 1991-08-28
RU1838830C (ru) 1993-08-30

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