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KR920022242A - Magneto-optical recording media - Google Patents

Magneto-optical recording media Download PDF

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Publication number
KR920022242A
KR920022242A KR1019910008938A KR910008938A KR920022242A KR 920022242 A KR920022242 A KR 920022242A KR 1019910008938 A KR1019910008938 A KR 1019910008938A KR 910008938 A KR910008938 A KR 910008938A KR 920022242 A KR920022242 A KR 920022242A
Authority
KR
South Korea
Prior art keywords
magneto
optical recording
recording media
optical
layer
Prior art date
Application number
KR1019910008938A
Other languages
Korean (ko)
Other versions
KR100198245B1 (en
Inventor
안영만
Original Assignee
정용문
삼성전자 주식회사
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.)
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Application filed by 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019910008938A priority Critical patent/KR100198245B1/en
Publication of KR920022242A publication Critical patent/KR920022242A/en
Application granted granted Critical
Publication of KR100198245B1 publication Critical patent/KR100198245B1/en

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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
    • 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

Abstract

내용 없음No content

Description

광 자기 기록 매체Magneto-optical recording media

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

제2도는 본 발명의 3층자석막을 갖는 광변조 직접 재기록(direct overwrite)용 디스크의 단면도이며,2 is a cross-sectional view of a disk for optical modulation direct overwrite having a three-layer magnetic film of the present invention,

제3도는 광변조 방식에 이용되는 자성막의 이상적 온도의 존도를 나타내는 그래프이고,3 is a graph showing the dependence of the ideal temperature of the magnetic film used in the light modulation method,

제4도는 바이어스 자장(biasfield)에 따른 C/N(carrier-to-noise ratio)비의 변화를 나타내는 그래프.4 is a graph showing the change in the carrier-to-noise ratio (C / N) ratio according to the bias field (biasfield).

Claims (2)

광변조 방식을 이용하여 소거과정이 필요없이 직접재기록이 가능한 광자기 기록매체에 있어서, 기준자성막과 기억자성막 사이에 CoCr층을 형성시킨 것을 특징으로 하는 광자기 기록매체.An optical magnetic recording medium capable of directly rewriting without an erase process by using an optical modulation method, wherein the CoCr layer is formed between the reference magnetic layer and the storage magnetic layer. 제1항에 있어서, CoCr층은 3∼9Å의 두께로 형성된 것임을 특징으로 하는 광자기 기록매체.The magneto-optical recording medium according to claim 1, wherein the CoCr layer is formed to a thickness of 3 to 9 GHz. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019910008938A 1991-05-30 1991-05-30 Magneto-optical recording medium KR100198245B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910008938A KR100198245B1 (en) 1991-05-30 1991-05-30 Magneto-optical recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910008938A KR100198245B1 (en) 1991-05-30 1991-05-30 Magneto-optical recording medium

Publications (2)

Publication Number Publication Date
KR920022242A true KR920022242A (en) 1992-12-19
KR100198245B1 KR100198245B1 (en) 1999-06-15

Family

ID=19315198

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910008938A KR100198245B1 (en) 1991-05-30 1991-05-30 Magneto-optical recording medium

Country Status (1)

Country Link
KR (1) KR100198245B1 (en)

Also Published As

Publication number Publication date
KR100198245B1 (en) 1999-06-15

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