KR900010689A - Information recording medium - Google Patents

Information recording medium Download PDF

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Publication number
KR900010689A
KR900010689A KR1019890019154A KR890019154A KR900010689A KR 900010689 A KR900010689 A KR 900010689A KR 1019890019154 A KR1019890019154 A KR 1019890019154A KR 890019154 A KR890019154 A KR 890019154A KR 900010689 A KR900010689 A KR 900010689A
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KR
South Korea
Prior art keywords
layer
recording medium
information recording
protective layer
medium according
Prior art date
Application number
KR1019890019154A
Other languages
Korean (ko)
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
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Priority claimed from JP63322075A external-priority patent/JPH02167785A/en
Priority claimed from JP63322076A external-priority patent/JP2918234B2/en
Priority claimed from JP63322077A external-priority patent/JPH02167787A/en
Application filed by 아오이 죠이치, 가부시키가이샤 도시바 filed Critical 아오이 죠이치
Publication of KR900010689A publication Critical patent/KR900010689A/en

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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
    • G11B7/242—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
    • G11B7/241—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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • 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
    • 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)
    • 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]
    • 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
    • G11B7/2542—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 organic 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
    • G11B7/257—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
    • G11B7/2572—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 organic materials

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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 없음No content

Description

정보기록매체Information recording medium

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도 내지 제4도는 각각 본 발명의 각 실시예에 따른 정보 기록매체를 나타낸 단면도.1 to 4 are cross-sectional views each showing an information recording medium according to each embodiment of the present invention.

Claims (21)

기판(1)과, 이 기판(1)상에 설치되어 있고, 광빔을 조사함에 따라 원자배열이 변화되어 정보가 기록 및 소거되는 한편 일반식(InxSb100-x)100-aTea(여기서 a,x는 원자%이고, 20＜a≤60, 48≤x≤52의 범위를 갖는 값이다)로 표현되는 조성의 합금으로 이루어진 기록층(2)을 구비하여 구성된 것을 특징으로 하는 정보기록매체.It is provided on the substrate 1 and on the substrate 1, and the atomic arrangement changes as the light beam is irradiated so that information is recorded and erased, while general formula (In x Sb 100-x ) 100-a Te a ( Wherein a, x is atomic% and has a recording layer 2 made of an alloy having a composition represented by 20 <a≤60, 48≤x≤52). media. 제1항에 있어서, 상기 기록층(2)의 두께가 2000이하인 것을 특징으로 하는 정보기록매체.The thickness of the recording layer 2 is 2000. An information recording medium comprising: 제1항에 있어서, 상기 기록층(2)의 두께가 특히 100~1000인 것을 특징으로 하는 정보기록매체.The thickness of the recording layer 2 is in particular 100 to 1000. Information recording medium, characterized in that. 제1항에 있어서, 유기물보호층(3)이 상기 기록층(2)상에 설치된 것을 특징으로 하는 정보기록매체.The information recording medium according to claim 1, wherein an organic protective layer (3) is provided on the recording layer (2). 제1항에 있어서, 상기 기판(1)과 기록층(2)간 또는 상기 기록층(2)상에 무기물보호층(4,5)이 설치된 것을 특징으로 하는 정보기록매체.An information recording medium according to claim 1, wherein an inorganic protective layer (4,5) is provided between the substrate (1) and the recording layer (2) or on the recording layer (2). 제5항에 있어서, 상기 기록층(2)상에 설치된 무기물보호층(4,5)상에 유기물보호층(3)이 설치된 것을 특징으로 하는 정보기록매체.6. An information recording medium according to claim 5, wherein an organic protective layer (3) is provided on the inorganic protective layer (4,5) provided on the recording layer (2). 제6항에 있어서, 상기 기록층(2)상의 무기물보호층(5)과 유기물보호층(3)간에 반사층(6)이 설치된 것을 특징으로 하는 정보기록매체.The information recording medium according to claim 6, wherein a reflective layer (6) is provided between the inorganic protective layer (5) and the organic protective layer (3) on the recording layer (2). 기판(1)과, 이 기판(1)상에 설치되어 있고, 광빔을 조사함에 따라 원자배열이 변화되어 정보가 기록 및 소거되는 한편 일반식(InxSb100-x)100-aSea(여기서 a,x는 원자%이고, 20＜a≤60, 48≤x≤52의 범위를 갖는 값이다)로 표현되는 조성의 합금으로 이루어진 기록층(2)을 구비하여 구성된 것을 특징으로 하는 정보기록매체.It is provided on the substrate 1 and the substrate 1, and the atomic arrangement changes as the light beam is irradiated so that information is recorded and erased, while general formula (In x Sb 100-x ) 100-a Se a ( Wherein a, x is atomic% and has a recording layer 2 made of an alloy having a composition represented by 20 <a≤60, 48≤x≤52). media. 제8항에 있어서, 상기 기록층(2)의 두께가 2000이하인 것을 특징으로 하는 정보기록매체.The thickness of the recording layer 2 is 2000. An information recording medium comprising: 제9항에 있어서, 상기 기록층(2)의 두께가 특히 100~1000인 것을 특징으로 하는 정보기록매체.10. The method according to claim 9, wherein the recording layer 2 has a thickness in particular of 100 to 1000. Information recording medium, characterized in that. 제8항에 있어서, 유기물보호층(3)이 상기 기록층(2)상에 설치된 것을 특징으로 하는 정보기록매체.The information recording medium according to claim 8, wherein an organic protective layer (3) is provided on the recording layer (2). 제8항에 있어서, 상기 기판(1)과 기록층(2)간 또는 상기 기록층(2)상에 무기물보호층(4,5)이 설치된 것을 특징으로 하는 정보기록매체.9. An information recording medium according to claim 8, wherein an inorganic protective layer (4,5) is provided between the substrate (1) and the recording layer (2) or on the recording layer (2). 제12항에 있어서, 상기 기록층(2)상에 설치된 무기물보호층(4,5)상에 유기물보호층(3)이 설치된 것을 특징으로 하는 정보기록매체.13. An information recording medium according to claim 12, wherein an organic protective layer (3) is provided on the inorganic protective layer (4,5) provided on the recording layer (2). 제13항에 있어서, 상기 기록층(2)상의 무기물보호층(5)과 유기물보호층(3)간에 반사층(6)이 설치된 것을 특징으로 하는 정보기록매체.The information recording medium according to claim 13, wherein a reflective layer (6) is provided between the inorganic protective layer (5) and the organic protective layer (3) on the recording layer (2). 기판(1)과, 이 기판(1)상에 설치되어 있고, 광빔을 조사함에 따라 원자배열이 변화되어 정보가 기록 및 소거되는 한편 일반식(InxSb100-x)100-aTe100bSeb)a(여기서 a, b, x는 원자%이고, 20＜a≤60, 0＜b＜100, 48≤x≤52의 범위를 갖는 값이다)으로 표현되는 조성의 합금으로 이루어진 기록층(2)을 구비하여 구성된 것을 특징으로 하는 정보기록매체.It is provided on the substrate 1 and on the substrate 1, and the atomic arrangement changes as the light beam is irradiated so that information is recorded and erased, while general formula (In x Sb 100-x ) 100-a Te 100b Se b ) a recording layer made of an alloy having a composition represented by a (where a, b, and x are atomic% and are values having a range of 20 <a≤60, 0 <b <100, 48≤x≤52) And 2) an information recording medium. 제15항에 있어서, 상기 기록층(2)의 두께가 2000이하인 것을 특징으로 하는 정보기록매체.The thickness of said recording layer 2 is 2000. An information recording medium comprising: 제16항에 있어서, 상기 기록층(2)의 두께가 특히 100~1000인 것을 특징으로 하는 정보기록매체.The thickness of the recording layer 2 is in particular 100 to 1000. Information recording medium, characterized in that. 제15항에 있어서, 유기물보호층(3)이 상기 기록층(2)상에 설치된 것을 특징으로 하는 정보기록매체.The information recording medium according to claim 15, wherein an organic protective layer (3) is provided on the recording layer (2). 제15항에 있어서, 상기 기판(1)가 기록층(2)간 또는 상기 기록층(2)상에 무기물보호층(4,5)이 설치된 것을 특징으로 하는 정보기록매체.16. The information recording medium according to claim 15, wherein the substrate (1) is provided with an inorganic protective layer (4,5) between the recording layers (2) or on the recording layer (2). 제19항에 있어서, 상기 기록층(2)상에 설치된 무기물보호층(4,5)상에 유기물보호층(3)이 설치된 것을 특징으로 하는 정보기록매체.20. The information recording medium according to claim 19, wherein an organic protective layer (3) is provided on the inorganic protective layer (4,5) provided on the recording layer (2). 제20항에 있어서, 상기 기록층(2)상의 무기물보호층(5)과 유기물보호층(3)간에 반사층(6)이 설치된 것을 특징으로 하는 정보기록매체.The information recording medium according to claim 20, wherein a reflective layer (6) is provided between the inorganic protective layer (5) and the organic protective layer (3) on the recording layer (2). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890019154A 1988-12-22 1989-12-21 Information recording medium KR900010689A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP88-322077 1988-12-22
JP63322075A JPH02167785A (en) 1988-12-22 1988-12-22 Information recording medium
JP88-322076 1988-12-22
JP88-322075 1988-12-22
JP63322076A JP2918234B2 (en) 1988-12-22 1988-12-22 Information recording medium
JP63322077A JPH02167787A (en) 1988-12-22 1988-12-22 Information recording medium

Publications (1)

Publication Number Publication Date
KR900010689A true KR900010689A (en) 1990-07-09

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Application Number Title Priority Date Filing Date
KR1019890019154A KR900010689A (en) 1988-12-22 1989-12-21 Information recording medium

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DE (1) DE3942163A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04254917A (en) * 1991-02-07 1992-09-10 Toshiba Corp Optical information recording and erasing methods

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1008845B (en) * 1984-12-05 1990-07-18 富士通株式会社 The method of optical data recording medium and recording of information and erasing
US4667309A (en) * 1985-07-08 1987-05-19 Energy Conversion Devices, Inc. Erasure means

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