KR910001682A - 광자기기록매체 및 그 제조방법 - Google Patents

광자기기록매체 및 그 제조방법 Download PDF

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Publication number
KR910001682A
KR910001682A KR1019890009339A KR890009339A KR910001682A KR 910001682 A KR910001682 A KR 910001682A KR 1019890009339 A KR1019890009339 A KR 1019890009339A KR 890009339 A KR890009339 A KR 890009339A KR 910001682 A KR910001682 A KR 910001682A
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KR
South Korea
Prior art keywords
magneto
layer
optical recording
manufacturing
recording medium
Prior art date
Application number
KR1019890009339A
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English (en)
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KR970011228B1 (ko
Inventor
안동훈
Original Assignee
이헌조
주식회사 금성사
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Priority to KR1019890009339A priority Critical patent/KR970011228B1/ko
Publication of KR910001682A publication Critical patent/KR910001682A/ko
Application granted granted Critical
Publication of KR970011228B1 publication Critical patent/KR970011228B1/ko

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    • 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
    • G11B7/24027—Layers; Shape, structure or physical properties thereof
    • 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)

Abstract

내용 없음

Description

광자기기록매체 및 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명에 의한 광자기 디스크의 단면도,
제3도는 본 발명의 디스크와 종래기술의 디스크의 내산화성 시험 그래프.

Claims (3)

  1. 기판(4)위에 보호층(3), 기록층(2) 및 보호층(1)이 형성된 통상의 광자기기록매체에 있어서, 상기 기록층(2)의 적어도 한쪽면에 그 기록층(2) 물질을 산화시키어 산화층(5)을 형성하여 구성함을 특징으로 하는 광자기기록매체.
  2. 기록층과 그 양쪽에 형성되는 보호층의 경계면 중 적어도 한쪽의 경계면을 진공조 내부에서 증착공정이후에 가열하여 기록층 또는 보호층의 잔존산소의 확산에 의해 두께 5Å-500Å범위로 희토류 원소의 산화층을 형성함을 특징으로 하는 광자기기록매체의 제조방법.
  3. 제2항에 있어서, 상기 산화층을 스퍼터링 에칭에 의해 약 5-50Å두께만큼 제거함을 특징으로 하는 광자기 기록매체의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890009339A 1989-06-30 1989-06-30 광자기기록매체 및 제조방법 KR970011228B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890009339A KR970011228B1 (ko) 1989-06-30 1989-06-30 광자기기록매체 및 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890009339A KR970011228B1 (ko) 1989-06-30 1989-06-30 광자기기록매체 및 제조방법

Publications (2)

Publication Number Publication Date
KR910001682A true KR910001682A (ko) 1991-01-31
KR970011228B1 KR970011228B1 (ko) 1997-07-08

Family

ID=19287734

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890009339A KR970011228B1 (ko) 1989-06-30 1989-06-30 광자기기록매체 및 제조방법

Country Status (1)

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KR (1) KR970011228B1 (ko)

Also Published As

Publication number Publication date
KR970011228B1 (ko) 1997-07-08

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