KR880005572A - Magnetic recording media - Google Patents

Magnetic recording media Download PDF

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Publication number
KR880005572A
KR880005572A KR1019860008763A KR860008763A KR880005572A KR 880005572 A KR880005572 A KR 880005572A KR 1019860008763 A KR1019860008763 A KR 1019860008763A KR 860008763 A KR860008763 A KR 860008763A KR 880005572 A KR880005572 A KR 880005572A
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KR
South Korea
Prior art keywords
perfluoropolyether
magnetic recording
recording media
recording medium
protection layer
Prior art date
Application number
KR1019860008763A
Other languages
Korean (ko)
Inventor
여운성
Original Assignee
구자학
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 구자학, 주식회사 금성사 filed Critical 구자학
Priority to KR1019860008763A priority Critical patent/KR880005572A/en
Publication of KR880005572A publication Critical patent/KR880005572A/en

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Abstract

내용 없음No content

Description

자기기록 매체Magnetic recording media

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

제1도는 방치일에 따른 항자력의 변화 비교도.1 is a comparison of the change in coercive force according to the day left.

제2도는 방치일에 따른 포화자화량의 변화 비교도.2 is a comparison of the change in saturation magnetization according to the day left.

Claims (3)

표면 보호층을 갖는 금속 박막형 자기기록 매체에 있어서, 표면보호층이 퍼플루오로폴리에테FM로 형성되는 것을 특징으로 하는 자기기록 매체.A metal thin film magnetic recording medium having a surface protection layer, wherein the surface protection layer is formed of perfluoropolyether FM. 제1항에 있어서, 표면보호충의 두께가 30-100Å인 것을 특징으로 하는 자기기록 매체.The magnetic recording medium according to claim 1, wherein the surface protective worm has a thickness of 30-100 mm 3. 제1항에 있어서, 퍼플루오로폴리에테르가 α-ω-퍼플루오로폴리에테르-디메틸올, α-ω-퍼플루오로폴리에테르-디메틸-카르복실레이트, α-ω-퍼플루오로폴리에테르-비스-카르복시아미드-톨릴렌-이소시아네이트, α-ω-퍼플루오로폴리에테르, 또는 α-ω-퍼플루오로폴리에테르-디카르복실레이트인 것을 특징으로 하는 자기 기록매체.The perfluoropolyether of claim 1, wherein the perfluoropolyether is α-ω-perfluoropolyether-dimethylol, α-ω-perfluoropolyether-dimethyl-carboxylate, α-ω-perfluoropolyether And -bis-carboxyamide-tolylene-isocyanate, α-ω-perfluoropolyether, or α-ω-perfluoropolyether-dicarboxylate. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860008763A 1986-10-18 1986-10-18 Magnetic recording media KR880005572A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860008763A KR880005572A (en) 1986-10-18 1986-10-18 Magnetic recording media

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860008763A KR880005572A (en) 1986-10-18 1986-10-18 Magnetic recording media

Publications (1)

Publication Number Publication Date
KR880005572A true KR880005572A (en) 1988-06-29

Family

ID=68838218

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860008763A KR880005572A (en) 1986-10-18 1986-10-18 Magnetic recording media

Country Status (1)

Country Link
KR (1) KR880005572A (en)

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A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application