KR910015977A - Magneto-optical recording media and manufacturing method thereof - Google Patents

Magneto-optical recording media and manufacturing method thereof Download PDF

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Publication number
KR910015977A
KR910015977A KR1019900001509A KR900001509A KR910015977A KR 910015977 A KR910015977 A KR 910015977A KR 1019900001509 A KR1019900001509 A KR 1019900001509A KR 900001509 A KR900001509 A KR 900001509A KR 910015977 A KR910015977 A KR 910015977A
Authority
KR
South Korea
Prior art keywords
magneto
recording layer
manufacturing
optical recording
recording media
Prior art date
Application number
KR1019900001509A
Other languages
Korean (ko)
Other versions
KR930003182B1 (en
Inventor
조융국
이호찬
양창선
Original Assignee
최준식
주식회사 에스케이씨
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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Publication date
Application filed by 최준식, 주식회사 에스케이씨 filed Critical 최준식
Priority to KR1019900001509A priority Critical patent/KR930003182B1/en
Priority to JP3037919A priority patent/JPH04213809A/en
Publication of KR910015977A publication Critical patent/KR910015977A/en
Application granted granted Critical
Publication of KR930003182B1 publication Critical patent/KR930003182B1/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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physical Vapour Deposition (AREA)
  • Thin Magnetic Films (AREA)

Abstract

내용 없음No content

Description

광자기 기록매체 및 그 제조방법Magneto-optical recording media and manufacturing method thereof

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

제1도는 본 발명의 광자기 기록매체를 제조하는 스퍼터링 장치의 개략도, 제3도는 본 발명의 광자기 기록매체의 기록층 성막시, 아르곤 가스압력(토르)에 따른 기록층내 회로류 금속의 조성변화를 나타낸 그래프.FIG. 1 is a schematic diagram of a sputtering apparatus for manufacturing a magneto-optical recording medium of the present invention, and FIG. 3 is a change in composition of the circuitry metal in the recording layer according to argon gas pressure (tor) during film formation of the magneto-optical recording medium of the present invention. Graph showing.

Claims (2)

투명기판, 보호층 및 기록층으로 구성되는 광자기 기록매체에 있어서, 상기 기록층의 회토류금속 농도가 기록층 중심에서 보다 기록층 양단 표층이 0.2-10at%더 높은 것을 특징으로 하는 광자기 기록매체 및 그 제조방법.A magneto-optical recording medium composed of a transparent substrate, a protective layer and a recording layer, wherein the rare earth metal concentration of the recording layer is 0.2-10 at% higher at both ends of the recording layer than at the center of the recording layer. Media and its manufacturing method. 제1항에 있어서, 상기 기록층의 회토류금속 농도가 기록층 중심보다 더 높은 양단 표층의 두께는 전제 기록층 두께의 0.02-0.5 배의 범위에 있도록 함을 특징으로 하는 광자기 기록매체 및 그 제조방법.2. The magneto-optical recording medium according to claim 1, wherein the thickness of the both ends surface of which the rare earth metal concentration of the recording layer is higher than the center of the recording layer is in the range of 0.02-0.5 times the thickness of the entire recording layer. Manufacturing method. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019900001509A 1990-02-08 1990-02-08 Optical recording material and manufcturing method KR930003182B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019900001509A KR930003182B1 (en) 1990-02-08 1990-02-08 Optical recording material and manufcturing method
JP3037919A JPH04213809A (en) 1990-02-08 1991-02-07 Optical magnetic recording medium and manufacture thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900001509A KR930003182B1 (en) 1990-02-08 1990-02-08 Optical recording material and manufcturing method

Publications (2)

Publication Number Publication Date
KR910015977A true KR910015977A (en) 1991-09-30
KR930003182B1 KR930003182B1 (en) 1993-04-23

Family

ID=19295900

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900001509A KR930003182B1 (en) 1990-02-08 1990-02-08 Optical recording material and manufcturing method

Country Status (2)

Country Link
JP (1) JPH04213809A (en)
KR (1) KR930003182B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4502160B2 (en) * 2000-09-27 2010-07-14 キヤノンアネルバ株式会社 Magnetic film forming method, magnetic film forming apparatus, and magnetic recording disk manufacturing method

Also Published As

Publication number Publication date
JPH04213809A (en) 1992-08-04
KR930003182B1 (en) 1993-04-23

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