KR910001679A - Magneto-optical recording media - Google Patents

Magneto-optical recording media Download PDF

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Publication number
KR910001679A
KR910001679A KR1019890008996A KR890008996A KR910001679A KR 910001679 A KR910001679 A KR 910001679A KR 1019890008996 A KR1019890008996 A KR 1019890008996A KR 890008996 A KR890008996 A KR 890008996A KR 910001679 A KR910001679 A KR 910001679A
Authority
KR
South Korea
Prior art keywords
magneto
optical recording
layer
recording media
alsin
Prior art date
Application number
KR1019890008996A
Other languages
Korean (ko)
Other versions
KR970004213B1 (en
Inventor
문혁
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 KR1019890008996A priority Critical patent/KR970004213B1/en
Publication of KR910001679A publication Critical patent/KR910001679A/en
Application granted granted Critical
Publication of KR970004213B1 publication Critical patent/KR970004213B1/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
    • 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
    • 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
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof

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.

제2도는 본 발명에 의한 광자기 기록매체의 구조를 보인 확대도,2 is an enlarged view showing the structure of a magneto-optical recording medium according to the present invention;

제3도 및 제4도는 본 발명에 의한 광자기 기록매체의 특성을 보인 그래프로서,3 and 4 are graphs showing the characteristics of the magneto-optical recording medium according to the present invention.

제3도는 에이징(aging)시간에 따른 보자력의 변화를,3 shows the change of the coercivity with aging time,

제4도는 노출시간에 따른 C/N의 변화를 각각 보인 것이다.4 shows the change of C / N according to the exposure time.

Claims (2)

기판(11)의 상면에 앤티리플렉션층(12), 기록층(13), 보호층(14)이 적층형성되는 광자기 디스크에 있어서, 상기 앤티리플렉션(12)과 기록층(13)의 사이에 질화막계의 AlSiN과 희토류물질인 Tb의 합금인 TbX(AlSiN)1-X층(15)을 형성하여 산화를 방지할 수 있게함을 특징으로 하는 광자기 기록매체.In a magneto-optical disk in which an anti-reflection layer 12, a recording layer 13, and a protective layer 14 are laminated on an upper surface of the substrate 11, between the anti-reflection 12 and the recording layer 13 A magneto-optical recording medium characterized by forming a Tb X (AlSiN) 1-X layer 15, which is an alloy of a nitride film of AlSiN and a rare earth material, Tb. 제1항에 있어서, 상기 TbX(AlSiN)1-X층(15)의 X가 35-45at%인 것을 특징으로하는 광자기 기록매체.The magneto-optical recording medium according to claim 1, wherein X in the Tb X (AlSiN) 1-X layer (15) is 35-45 at%. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890008996A 1989-06-28 1989-06-28 Optical magenetic recording medium KR970004213B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890008996A KR970004213B1 (en) 1989-06-28 1989-06-28 Optical magenetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890008996A KR970004213B1 (en) 1989-06-28 1989-06-28 Optical magenetic recording medium

Publications (2)

Publication Number Publication Date
KR910001679A true KR910001679A (en) 1991-01-31
KR970004213B1 KR970004213B1 (en) 1997-03-26

Family

ID=19287537

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890008996A KR970004213B1 (en) 1989-06-28 1989-06-28 Optical magenetic recording medium

Country Status (1)

Country Link
KR (1) KR970004213B1 (en)

Also Published As

Publication number Publication date
KR970004213B1 (en) 1997-03-26

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