KR890017671A - Magneto-optical recording media - Google Patents

Magneto-optical recording media Download PDF

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Publication number
KR890017671A
KR890017671A KR1019880005746A KR880005746A KR890017671A KR 890017671 A KR890017671 A KR 890017671A KR 1019880005746 A KR1019880005746 A KR 1019880005746A KR 880005746 A KR880005746 A KR 880005746A KR 890017671 A KR890017671 A KR 890017671A
Authority
KR
South Korea
Prior art keywords
magneto
optical recording
film
recording media
recording medium
Prior art date
Application number
KR1019880005746A
Other languages
Korean (ko)
Other versions
KR930004332B1 (en
Inventor
안동훈
Original Assignee
최근선
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 최근선, 주식회사 금성사 filed Critical 최근선
Priority to KR1019880005746A priority Critical patent/KR930004332B1/en
Publication of KR890017671A publication Critical patent/KR890017671A/en
Application granted granted Critical
Publication of KR930004332B1 publication Critical patent/KR930004332B1/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
    • G11B7/24018—Laminated discs
    • 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

광자기 기록매체Magneto-optical recording media

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

제3도는 본 발명 광자기 기록매체의 구성을 보인 단면도, 제4도는 본 발명 광자기 기록매체에 관한 기록막의 두께와 Kerr 회전각의 변화를 보인 그래프.3 is a cross-sectional view showing the configuration of the magneto-optical recording medium of the present invention, and FIG. 4 is a graph showing changes in the thickness and Kerr rotation angle of the recording film of the magneto-optical recording medium of the present invention.

Claims (3)

투명기판(1)위에 AlN 유전체막(2), 수직자화기록막(3) 및 AlN 유전체막(4)을 차례로 형성하고 그위에 Al반사막(5)을 형성한 것을 특징으로 하는 광자기 기록매체.An magneto-optical recording medium, characterized in that an AlN dielectric film (2), a perpendicular magnetization recording film (3), and an AlN dielectric film (4) are sequentially formed on a transparent substrate (1), and an Al reflection film (5) is formed thereon. 제1항에 있어서, 상기 수직자화기록막(3)이 두께가 200Å이하인 것을 특징으로 하는 광자기 기록매체.The magneto-optical recording medium according to claim 1, wherein the perpendicular magnetization recording film (3) has a thickness of 200 mu m or less. 제1항에 있어서, 상기 Al 반사막(5)이 산화되어 그 표면에 치밀한 Al2O3산화막(6)이 형성된 것을 특징으로하는 광자기 기록매체.The magneto-optical recording medium according to claim 1, wherein the Al reflecting film (5) is oxidized to form a dense Al 2 O 3 oxide film (6) on its surface. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880005746A 1988-05-17 1988-05-17 Optical magnetic recording material KR930004332B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880005746A KR930004332B1 (en) 1988-05-17 1988-05-17 Optical magnetic recording material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880005746A KR930004332B1 (en) 1988-05-17 1988-05-17 Optical magnetic recording material

Publications (2)

Publication Number Publication Date
KR890017671A true KR890017671A (en) 1989-12-16
KR930004332B1 KR930004332B1 (en) 1993-05-26

Family

ID=19274437

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880005746A KR930004332B1 (en) 1988-05-17 1988-05-17 Optical magnetic recording material

Country Status (1)

Country Link
KR (1) KR930004332B1 (en)

Also Published As

Publication number Publication date
KR930004332B1 (en) 1993-05-26

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