KR900017035A - Magneto-optical recording media - Google Patents

Magneto-optical recording media Download PDF

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Publication number
KR900017035A
KR900017035A KR1019890005695A KR890005695A KR900017035A KR 900017035 A KR900017035 A KR 900017035A KR 1019890005695 A KR1019890005695 A KR 1019890005695A KR 890005695 A KR890005695 A KR 890005695A KR 900017035 A KR900017035 A KR 900017035A
Authority
KR
South Korea
Prior art keywords
film
magneto
reproducing
recording
optical recording
Prior art date
Application number
KR1019890005695A
Other languages
Korean (ko)
Other versions
KR970010942B1 (en
Inventor
안동훈
Original Assignee
이헌조
주식회사 금성사
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 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019890005695A priority Critical patent/KR970010942B1/en
Publication of KR900017035A publication Critical patent/KR900017035A/en
Application granted granted Critical
Publication of KR970010942B1 publication Critical patent/KR970010942B1/en

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Classifications

    • 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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2525—Magneto-optical [MO] discs

Landscapes

  • Thin Magnetic Films (AREA)

Abstract

내용 없음No content

Description

광자기 기록매체Magneto-optical recording media

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

제3도는 본 발명에 의한 광자기 디스크의 구조도.3 is a structural diagram of a magneto-optical disk according to the present invention.

Claims (3)

기록막과 재생막이 서로 상이한 자성박막으로 형성되고, 기록막은 높은 보자력과 낮은 큐리온도를 가지는 자성재료로 형성됨을 아울러 재생막을 높은 커각(θk)을 가진 자성재료로 형 성된 것을 특징으로 하는 광자기 기록매체.The recording film and the reproducing film are formed of different magnetic thin films, and the recording film is formed of a magnetic material having a high coercive force and a low Curie temperature, and the reproducing film is formed of a magnetic material having a high curvature (θk). media. 제1항에 있어서, 상기 기록막과 재생막 사이에 신호를 전사하는 전사막을 형성한 것을 특징으로 하는 광자기 기록매체.The magneto-optical recording medium according to claim 1, wherein a transfer film for transferring a signal is formed between the recording film and the reproduction film. 제1항에 있어서, 상기 기록막 및 재생막이 각각Tb, Gd등의 희토류원소 및 Fe, Co등의 천이금속으로 이루어지고 상기 전사막이 NiFe합금, FeAlSi합금, Co, Fe계 비정질 합금등으로 이루어진 것을 특징으로 하는 광자기 기록매체.2. The recording and reproducing films of claim 1, wherein the recording film and the reproducing film are made of rare earth elements such as Tb and Gd and transition metals such as Fe and Co, respectively, and the transfer film is made of NiFe alloy, FeAlSi alloy, Co, Fe-based amorphous alloy, and the like. Magneto-optical recording medium, characterized in that. ※ 참고사항 최초출원 내용에 의하여 공개하는 것임.※ Note The disclosure is based on the initial application.
KR1019890005695A 1989-04-29 1989-04-29 Optical recording medium KR970010942B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890005695A KR970010942B1 (en) 1989-04-29 1989-04-29 Optical recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890005695A KR970010942B1 (en) 1989-04-29 1989-04-29 Optical recording medium

Publications (2)

Publication Number Publication Date
KR900017035A true KR900017035A (en) 1990-11-15
KR970010942B1 KR970010942B1 (en) 1997-07-02

Family

ID=19285730

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890005695A KR970010942B1 (en) 1989-04-29 1989-04-29 Optical recording medium

Country Status (1)

Country Link
KR (1) KR970010942B1 (en)

Also Published As

Publication number Publication date
KR970010942B1 (en) 1997-07-02

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