DE3635424A1 - Magnetisches aufzeichnungsmedium mit einer rueckueberzugsschicht aus russ in einem vinylalkohol/vinylchloridharz - Google Patents

Magnetisches aufzeichnungsmedium mit einer rueckueberzugsschicht aus russ in einem vinylalkohol/vinylchloridharz

Info

Publication number
DE3635424A1
DE3635424A1 DE19863635424 DE3635424A DE3635424A1 DE 3635424 A1 DE3635424 A1 DE 3635424A1 DE 19863635424 DE19863635424 DE 19863635424 DE 3635424 A DE3635424 A DE 3635424A DE 3635424 A1 DE3635424 A1 DE 3635424A1
Authority
DE
Germany
Prior art keywords
weight
vinyl alcohol
magnetic recording
magnetic
carbon black
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
DE19863635424
Other languages
German (de)
English (en)
Other versions
DE3635424C2 (ko
Inventor
Kumiko Ojima
Yukio Matsumoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of DE3635424A1 publication Critical patent/DE3635424A1/de
Application granted granted Critical
Publication of DE3635424C2 publication Critical patent/DE3635424C2/de
Granted legal-status Critical Current

Links

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
    • 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

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
DE19863635424 1985-10-18 1986-10-17 Magnetisches aufzeichnungsmedium mit einer rueckueberzugsschicht aus russ in einem vinylalkohol/vinylchloridharz Granted DE3635424A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60231365A JPS6292234A (ja) 1985-10-18 1985-10-18 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE3635424A1 true DE3635424A1 (de) 1987-04-23
DE3635424C2 DE3635424C2 (ko) 1989-12-07

Family

ID=16922477

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863635424 Granted DE3635424A1 (de) 1985-10-18 1986-10-17 Magnetisches aufzeichnungsmedium mit einer rueckueberzugsschicht aus russ in einem vinylalkohol/vinylchloridharz

Country Status (3)

Country Link
JP (1) JPS6292234A (ko)
KR (1) KR900004751B1 (ko)
DE (1) DE3635424A1 (ko)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3023799A1 (de) * 1979-06-25 1981-01-22 Tdk Electronics Co Ltd Magnetisches aufzeichnungsmedium
DE3222778A1 (de) * 1981-06-19 1983-01-05 TDK Electronics Co., Ltd., Tokyo Magnetischer aufzeichnungstraeger

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3023799A1 (de) * 1979-06-25 1981-01-22 Tdk Electronics Co Ltd Magnetisches aufzeichnungsmedium
DE3222778A1 (de) * 1981-06-19 1983-01-05 TDK Electronics Co., Ltd., Tokyo Magnetischer aufzeichnungstraeger

Also Published As

Publication number Publication date
JPS6292234A (ja) 1987-04-27
KR870004403A (ko) 1987-05-09
DE3635424C2 (ko) 1989-12-07
KR900004751B1 (ko) 1990-07-05

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee