KR890017672A - Method of manufacturing optical recording medium - Google Patents

Method of manufacturing optical recording medium Download PDF

Info

Publication number
KR890017672A
KR890017672A KR1019880006410A KR880006410A KR890017672A KR 890017672 A KR890017672 A KR 890017672A KR 1019880006410 A KR1019880006410 A KR 1019880006410A KR 880006410 A KR880006410 A KR 880006410A KR 890017672 A KR890017672 A KR 890017672A
Authority
KR
South Korea
Prior art keywords
optical recording
recording medium
manufacturing optical
manufacturing
thin film
Prior art date
Application number
KR1019880006410A
Other languages
Korean (ko)
Other versions
KR950001876B1 (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 KR1019880006410A priority Critical patent/KR950001876B1/en
Publication of KR890017672A publication Critical patent/KR890017672A/en
Application granted granted Critical
Publication of KR950001876B1 publication Critical patent/KR950001876B1/en

Links

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
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material

Abstract

내용 없음No content

Description

광기록 매체의 제조방법Method of manufacturing optical recording medium

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

제 1 도는 본 발명에 따른 광기록 매체의 제조 장치의 구성도, 제 2 도는 본 발명에 따른 박막의 보자력 Hc의 변화를 나타낸 상태도1 is a configuration diagram of an apparatus for manufacturing an optical recording medium according to the present invention, and FIG. 2 is a state diagram showing a change in the coercive force Hc of the thin film according to the present invention.

Claims (1)

희토류‥‥천인금속의 비정질 박막을 인용한 광자기 기록 매체에 있어선, 박막을 형성한 후 재료의 큐리 온도 직상에서 30-90분동안 열처리한 다음 보자력의 시간에 따른 변화가 ±5% 내이고 가열시 일정 방향을 가지는 자계를 가해주는 것을 특징으로 끓는 광기록 매체의 제조 방법.In the magneto-optical recording media citing an amorphous thin film of rare earth ... A method of manufacturing a boiling optical recording medium, characterized by applying a magnetic field having a predetermined time direction. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880006410A 1988-05-31 1988-05-31 Producing method for optical recording medium KR950001876B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880006410A KR950001876B1 (en) 1988-05-31 1988-05-31 Producing method for optical recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880006410A KR950001876B1 (en) 1988-05-31 1988-05-31 Producing method for optical recording medium

Publications (2)

Publication Number Publication Date
KR890017672A true KR890017672A (en) 1989-12-16
KR950001876B1 KR950001876B1 (en) 1995-03-04

Family

ID=19274794

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880006410A KR950001876B1 (en) 1988-05-31 1988-05-31 Producing method for optical recording medium

Country Status (1)

Country Link
KR (1) KR950001876B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100336131C (en) * 2004-09-08 2007-09-05 上海乐金广电电子有限公司 Optical drive with disk damage prevention and method thereof

Also Published As

Publication number Publication date
KR950001876B1 (en) 1995-03-04

Similar Documents

Publication Publication Date Title
KR890008761A (en) Signal reproduction method of magneto-optical recording medium
DE3752222T2 (en) Magnetic optical recording medium with the possibility of overwriting with two or more magnetic layers and recording method using this medium
DE68923116D1 (en) Magnetic recording and playback device.
KR880014522A (en) Information carrier for magneto-optical recording
KR890016516A (en) Magnetic recording media
DE69220607T2 (en) Magnetic recording device and magnetic recording medium with vertically magnetizable film between soft magnetic films
ATE246390T1 (en) INFORMATION RECORDING METHOD AND DEVICE
KR920017049A (en) Magneto-optical recording and playback method
KR880011738A (en) Magnetic recording media
JPS57109134A (en) Magnetic transferring and recording method
KR890017672A (en) Method of manufacturing optical recording medium
KR910005237A (en) Magnetic recording media
KR920005087A (en) Magneto-optical recording and reproducing method and apparatus
DE68920921T2 (en) Magnetic recording and playback device.
KR910014917A (en) Disc burner
JPS6430042A (en) Magneto-optical memory device
KR900002266A (en) External magnetic field device of magneto-optical information recording and reproducing apparatus
KR950009535A (en) Magnetic recording method
KR850006100A (en) Magnetic recording medium and manufacturing method thereof
KR870010490A (en) Tb-Fe Amorphous Vertical Photothermal Magnetic Recording Media with Four Layers
KR920018689A (en) Magneto-optical recording media
JPS5459108A (en) Magnetic recording medium
NZ331794A (en) Compositions comprising crystalline-like transition metal material and methods of use thereof
DE68915026D1 (en) Magnetic recording and playback device.
KR920015296A (en) Magneto-optical recording media

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19981221

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee