KR960002162A - 자기기록매체 - Google Patents

자기기록매체 Download PDF

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Publication number
KR960002162A
KR960002162A KR1019940015617A KR19940015617A KR960002162A KR 960002162 A KR960002162 A KR 960002162A KR 1019940015617 A KR1019940015617 A KR 1019940015617A KR 19940015617 A KR19940015617 A KR 19940015617A KR 960002162 A KR960002162 A KR 960002162A
Authority
KR
South Korea
Prior art keywords
recording medium
magnetic recording
nonmagnetic support
magnetic
less
Prior art date
Application number
KR1019940015617A
Other languages
English (en)
Other versions
KR0122452B1 (en
Inventor
조현수
유득수
이경수
Original Assignee
하기주
주식회사 코오롱
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 하기주, 주식회사 코오롱 filed Critical 하기주
Priority to KR94015617A priority Critical patent/KR0122452B1/ko
Publication of KR960002162A publication Critical patent/KR960002162A/ko
Application granted granted Critical
Publication of KR0122452B1 publication Critical patent/KR0122452B1/ko

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/733—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the addition of non-magnetic particles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

본 발명은 비자성지지체 위에 강자성체분말, 결합제수지, 연마제, 윤활제 등으로 조성된 자성도료를 도포하여 형성된 자성층을 자기기록매체에 있어서, 상기 비자성지지체가 디부틸프탈레이트의 흡율량이 50cc/100g이상 100cc/100g이하이고, 평균입경이 50nm 이상 500nm이하인 카아본블랙을 0.05 내지 2.0 중량% 함유한 2축 배향 폴리에스터 필름인 것을 특징으로 하는 자기기록매체에 관한 것으로, 전자변환특성 및 주행성, 내구성등의 물리특성이 우수한 자기기록매체의 제조가 가능하다.

Description

자기기록매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (1)

  1. 비자성 지지체 위에 강자성체분말, 결합제수지, 연마제, 윤활제 등으로 조성된 자성도료를 도포하여 형성된 자성층을 자기기록매체에 있어서, 상기 비자성지지체가 디부틸프탈레이트의 흡율량이 50cc/100g이상 100cc/100g이하이고, 평균입경이 50nm 이상 500nm이하인 카아본블랙을 0.05 내지 2.0 중량% 함유한 2축 배향 폴리에스터 필름인 것을 특징으로 하는 자기기록매체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR94015617A 1994-06-30 1994-06-30 Magnetic recording medium KR0122452B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR94015617A KR0122452B1 (en) 1994-06-30 1994-06-30 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR94015617A KR0122452B1 (en) 1994-06-30 1994-06-30 Magnetic recording medium

Publications (2)

Publication Number Publication Date
KR960002162A true KR960002162A (ko) 1996-01-26
KR0122452B1 KR0122452B1 (en) 1997-11-12

Family

ID=19386982

Family Applications (1)

Application Number Title Priority Date Filing Date
KR94015617A KR0122452B1 (en) 1994-06-30 1994-06-30 Magnetic recording medium

Country Status (1)

Country Link
KR (1) KR0122452B1 (ko)

Also Published As

Publication number Publication date
KR0122452B1 (en) 1997-11-12

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