KR910700522A - Erasable phase change optical recording element and method thereof - Google Patents

Erasable phase change optical recording element and method thereof

Info

Publication number
KR910700522A
KR910700522A KR1019900701789A KR900701789A KR910700522A KR 910700522 A KR910700522 A KR 910700522A KR 1019900701789 A KR1019900701789 A KR 1019900701789A KR 900701789 A KR900701789 A KR 900701789A KR 910700522 A KR910700522 A KR 910700522A
Authority
KR
South Korea
Prior art keywords
optical recording
recording element
alloy
information
layer
Prior art date
Application number
KR1019900701789A
Other languages
Korean (ko)
Inventor
키-추안 판
이반-셍 티얀
프리드리히 바잔
Original Assignee
제이. 제프리 홀리
이스트만 코닥 컴퍼니
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
Application filed by 제이. 제프리 홀리, 이스트만 코닥 컴퍼니 filed Critical 제이. 제프리 홀리
Publication of KR910700522A publication Critical patent/KR910700522A/en

Links

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
    • G11B7/24—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
    • 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
    • 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)

Landscapes

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

Abstract

내용 없음.No content.

Description

소거가능한 상변화 광학적 기록요소 및 그 방법Erasable phase change optical recording element and method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 의한 유용한 몇 개의 합금들에 대한 합금 조성물 대 소거시간의 그래프이다.1 is a graph of alloy composition versus scavenging time for some of the alloys useful according to the present invention.

Claims (5)

합금의 박막 광학적 기록층을 포함하는 광학적 기록요소로서, 식 SbxTe1-x로 표현된 상기 합금의 x가 0.58과 0.75 사이인 광학적 기록요소.An optical recording element comprising a thin film optical recording layer of an alloy, wherein x of said alloy represented by the formula Sb x Te 1-x is between 0.58 and 0.75. 제1항에 있어서, x가 0.65 와 0.73 사이인 광학적 기록요소.The optical recording element of claim 1 wherein x is between 0.65 and 0.73. 제1항에 있어서, 보호막(overcoat)을 포함하는 광학적 기록요소.The optical recording element of claim 1 comprising an overcoat. 제1항에 있어서, x가 0.70인 광학적 기록요소.The optical recording element of claim 1 wherein x is 0.70. x가 0.58와 0.75 사이인 SbxTb1-x으로 표현되는 결정질 형태의 합금의 박막의 광학적 기록층을 포함하는 광학적 기록요소상에 정보를 기록하는 소거 방법으로서, a)상기 합금층내에 비정질 구역의 상기 정보와 유사한 패턴(patten)을 이루도록 충분한 출력 및 시간으로 상기 정질합금 기록층상에 정보변조된 레이저빔을 초점화시켜 상기 정보를 기록하는 단계 b) a)단계에서 형성된 비정질 구역의 적어도 일부를 결정화시키도록 충분한출력 및 시간동안 상기 기록된 층상에 레이저빔을 초점화시켜 상기 비정질 구역내의 정보를 소거하는 단계를포함하는 기록 및 소거 방법.A method of erasing information on an optical recording element comprising an optical recording layer of a thin film of an alloy of crystalline form represented by Sb x Tb 1-x wherein x is between 0.58 and 0.75, the method comprising: a) an amorphous zone in the alloy layer Focusing the information-modulated laser beam on the crystalline alloy recording layer with sufficient output and time to form a pattern similar to the information of the crystallization and recording at least a portion of the amorphous zone formed in step a). Focusing the laser beam on the recorded layer for sufficient power and time to erase the information in the amorphous zone. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900701789A 1988-12-19 1989-12-07 Erasable phase change optical recording element and method thereof KR910700522A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US28600388A 1988-12-19 1988-12-19
US286003 1988-12-19
PCT/US1989/005435 WO1990007181A1 (en) 1988-12-19 1989-12-07 Erasable phase change optical recording elements and methods

Publications (1)

Publication Number Publication Date
KR910700522A true KR910700522A (en) 1991-03-15

Family

ID=23096629

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900701789A KR910700522A (en) 1988-12-19 1989-12-07 Erasable phase change optical recording element and method thereof

Country Status (5)

Country Link
EP (1) EP0406378A1 (en)
JP (1) JPH03502787A (en)
KR (1) KR910700522A (en)
CA (1) CA2004708A1 (en)
WO (1) WO1990007181A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU87571A1 (en) * 1989-08-23 1991-05-07 Glaverbel OPTICALLY READABLE INFORMATION RECORDING MEDIUM

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5935988A (en) * 1982-08-23 1984-02-27 Sony Corp Information recording medium
JPS59214449A (en) * 1983-04-18 1984-12-04 ノ−ウツド・インダストリ−ズ・インコ−ポレ−テツド Foreskin care material
JPS6070536A (en) * 1983-09-28 1985-04-22 Nippon Columbia Co Ltd Optical information recording medium
GB8422492D0 (en) * 1984-09-06 1984-10-10 Smith & Nephew Ass Adhesive dressing
JPS61253058A (en) * 1985-05-01 1986-11-10 帝人株式会社 Bandage

Also Published As

Publication number Publication date
JPH03502787A (en) 1991-06-27
EP0406378A1 (en) 1991-01-09
WO1990007181A1 (en) 1990-06-28
CA2004708A1 (en) 1990-06-19

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