KR910001678A - Magneto-optical disk - Google Patents

Magneto-optical disk Download PDF

Info

Publication number
KR910001678A
KR910001678A KR1019890008995A KR890008995A KR910001678A KR 910001678 A KR910001678 A KR 910001678A KR 1019890008995 A KR1019890008995 A KR 1019890008995A KR 890008995 A KR890008995 A KR 890008995A KR 910001678 A KR910001678 A KR 910001678A
Authority
KR
South Korea
Prior art keywords
magneto
optical disk
protective layer
layer
substrate
Prior art date
Application number
KR1019890008995A
Other languages
Korean (ko)
Inventor
김기찬
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 KR1019890008995A priority Critical patent/KR910001678A/en
Publication of KR910001678A publication Critical patent/KR910001678A/en

Links

Abstract

내용 없음No content

Description

광자기 디스크Magneto-optical disk

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

제2도는 통상적인 2층막 기록매체에서 레이저광에 의하여 정보가 기록되는 것을 보인 도식도,2 is a diagram showing that information is recorded by laser light in a conventional two-layer film recording medium;

제3도는 본 발명에 의한 광자기 디스크의 구조를 보인 확대도,3 is an enlarged view showing the structure of a magneto-optical disk according to the present invention;

제4도는 θk의 비교한 것이고,4 is a comparison of θ k,

제5도는 보자력의 시간에 따른 변화를 비교한 것이다.5 compares the change in coercivity over time.

Claims (1)

기판(11)의 상측에 재생층(12), 기록층(13), 상부 보호층(14)이 적층형성되는 광자기 디스크에 있어서, 상기 기판(11)의 상면에 하부보호층(15)이 형성되고, 그 보호층(15)과 상기 재생층(12)의 사이에 재생층(16)과 보호층(17)에 2회 적층형성됨을 특징으로하는 광자기 디스크.In the magneto-optical disk in which the reproduction layer 12, the recording layer 13, and the upper protective layer 14 are laminated on the substrate 11, the lower protective layer 15 is formed on the upper surface of the substrate 11. And a stack formed twice between the protective layer (15) and the regeneration layer (12) between the protective layer (16) and the protective layer (17). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890008995A 1989-06-28 1989-06-28 Magneto-optical disk KR910001678A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890008995A KR910001678A (en) 1989-06-28 1989-06-28 Magneto-optical disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890008995A KR910001678A (en) 1989-06-28 1989-06-28 Magneto-optical disk

Publications (1)

Publication Number Publication Date
KR910001678A true KR910001678A (en) 1991-01-31

Family

ID=67840559

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890008995A KR910001678A (en) 1989-06-28 1989-06-28 Magneto-optical disk

Country Status (1)

Country Link
KR (1) KR910001678A (en)

Similar Documents

Publication Publication Date Title
KR960038797A (en) Multi-layer optical disc
KR960025368A (en) Optical recording media
KR880004467A (en) Magnetic disk device
KR950004143A (en) Magneto-optical recording medium and recording / reproducing method thereof
KR910001678A (en) Magneto-optical disk
KR950006698A (en) Magnetic Head Unit for Data Cartridge
KR970012411A (en) Multilayer optical disc
KR860002794A (en) Magneto-optical recording media
KR950006743A (en) Magneto-optical recording media
KR950030075A (en) Optical discs and manufacturing method thereof
KR970012412A (en) Magneto-optical recording media
KR950012343A (en) Magneto-optical recording media
KR880004430A (en) Hybrid Magnetic Head
JPS6452239A (en) Magneto-optical memory medium
KR960011893A (en) Short-wavelength magneto-optical disk
KR930003047A (en) Optical disc
KR890008769A (en) Optical recording media
KR970023051A (en) Optical recording media
KR920018696A (en) Magneto-optical recording media
KR880006653A (en) High Density Vertical Magnetic Recording Medium with Two Layer Film Structure
KR900003827A (en) Magneto optical recording media
KR920022246A (en) Magneto-optical recording media
KR920015294A (en) Magneto-optical recording media
KR910013116A (en) Magneto-optical recording media
KR920001449A (en) Magnetic recording medium, manufacturing method thereof, and magnetic recording / reproducing apparatus using the medium

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination