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KR870004410A - 자기기록매체의 제조방법 - Google Patents

자기기록매체의 제조방법 Download PDF

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Publication number
KR870004410A
KR870004410A KR1019850007420A KR850007420A KR870004410A KR 870004410 A KR870004410 A KR 870004410A KR 1019850007420 A KR1019850007420 A KR 1019850007420A KR 850007420 A KR850007420 A KR 850007420A KR 870004410 A KR870004410 A KR 870004410A
Authority
KR
South Korea
Prior art keywords
recording medium
magnetic recording
manufacturing magnetic
thickness
manufacturing
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
KR1019850007420A
Other languages
English (en)
Other versions
KR900000197B1 (ko
Inventor
김광영
Original Assignee
허신구
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 허신구, 주식회사 금성사 filed Critical 허신구
Priority to KR1019850007420A priority Critical patent/KR900000197B1/ko
Publication of KR870004410A publication Critical patent/KR870004410A/ko
Application granted granted Critical
Publication of KR900000197B1 publication Critical patent/KR900000197B1/ko
Expired legal-status Critical Current

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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
    • G11B5/735—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 back layer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/24—Electrically-conducting paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/04—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of carbon-silicon compounds, carbon or silicon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

내용 없음

Description

자기기록매체의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 방법을 수행하는 이면코팅기의 개략도.
제2도는 자기기록매체의 단면도.
도면의 주요부분에 대한 부호의 설명
10:필름, 11:강자성계층, 12:전도성분말코팅층, 13:윤활층.

Claims (1)

  1. 일측면에 자성층을 갖는 플라스틱필름의 이면에 입자크기가 500-1000Å인 카본블랙을 결합제와 혼합하여 두께 1-1.5㎛의 비자성층을 형성한 다음 그 위에 불소화합물을 두께가 500-1000Å 정도가 되게 코팅함을 특징으로 하는 자기기록매체의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850007420A 1985-10-08 1985-10-08 자기기록매체 Expired KR900000197B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019850007420A KR900000197B1 (ko) 1985-10-08 1985-10-08 자기기록매체

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019850007420A KR900000197B1 (ko) 1985-10-08 1985-10-08 자기기록매체

Publications (2)

Publication Number Publication Date
KR870004410A true KR870004410A (ko) 1987-05-09
KR900000197B1 KR900000197B1 (ko) 1990-01-23

Family

ID=19243077

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850007420A Expired KR900000197B1 (ko) 1985-10-08 1985-10-08 자기기록매체

Country Status (1)

Country Link
KR (1) KR900000197B1 (ko)

Also Published As

Publication number Publication date
KR900000197B1 (ko) 1990-01-23

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