JPH0241808B2 - - Google Patents

Info

Publication number
JPH0241808B2
JPH0241808B2 JP57138790A JP13879082A JPH0241808B2 JP H0241808 B2 JPH0241808 B2 JP H0241808B2 JP 57138790 A JP57138790 A JP 57138790A JP 13879082 A JP13879082 A JP 13879082A JP H0241808 B2 JPH0241808 B2 JP H0241808B2
Authority
JP
Japan
Prior art keywords
coat layer
back coat
parts
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.)
Expired - Lifetime
Application number
JP57138790A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5928242A (ja
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 filed Critical
Priority to JP57138790A priority Critical patent/JPS5928242A/ja
Publication of JPS5928242A publication Critical patent/JPS5928242A/ja
Publication of JPH0241808B2 publication Critical patent/JPH0241808B2/ja
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
    • 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
    • G11B5/7356—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 comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2

Landscapes

  • Lubricants (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP57138790A 1982-08-09 1982-08-09 磁気記録媒体 Granted JPS5928242A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57138790A JPS5928242A (ja) 1982-08-09 1982-08-09 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57138790A JPS5928242A (ja) 1982-08-09 1982-08-09 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS5928242A JPS5928242A (ja) 1984-02-14
JPH0241808B2 true JPH0241808B2 (enrdf_load_stackoverflow) 1990-09-19

Family

ID=15230270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57138790A Granted JPS5928242A (ja) 1982-08-09 1982-08-09 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS5928242A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60173719A (ja) * 1984-02-17 1985-09-07 Fuji Photo Film Co Ltd 磁気記録媒体
JPH0679373B2 (ja) * 1984-07-27 1994-10-05 株式会社東芝 磁気記録媒体
JPS61180925A (ja) * 1984-12-27 1986-08-13 Konishiroku Photo Ind Co Ltd 磁気記録媒体
JPS61180926A (ja) * 1984-12-27 1986-08-13 Konishiroku Photo Ind Co Ltd 磁気記録媒体
KR900002972B1 (ko) * 1985-05-29 1990-05-03 니뽕 빅터 가부시끼가이샤 자기 기록 매체
JPH0734256B2 (ja) * 1985-05-29 1995-04-12 日本ビクター株式会社 磁気記録媒体
JPS61273734A (ja) * 1985-05-30 1986-12-04 Victor Co Of Japan Ltd 磁気記録媒体
JPH0543018U (ja) * 1991-11-15 1993-06-11 ユピテル工業株式会社 移動体方位測定装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337001B2 (enrdf_load_stackoverflow) * 1974-05-15 1978-10-06

Also Published As

Publication number Publication date
JPS5928242A (ja) 1984-02-14

Similar Documents

Publication Publication Date Title
US4409291A (en) Magnetic recording medium
JPH0241808B2 (enrdf_load_stackoverflow)
JPS6331856B2 (enrdf_load_stackoverflow)
US4618536A (en) Magnetic recording medium
US4673622A (en) Magnetic recording medium
JPS59172151A (ja) 磁気記録媒体
JPH053049B2 (enrdf_load_stackoverflow)
JPS5914124A (ja) 磁気記録媒体
KR920006633B1 (ko) 자기 기록 매체
JPS59172153A (ja) 磁気記録媒体
US4643934A (en) Magnetic recording medium
JP2947355B2 (ja) 磁気記録テープ
JPS595428A (ja) 磁気記録媒体
JPS5914128A (ja) 磁気記録媒体
JPS5914123A (ja) 磁気記録媒体
US4568613A (en) Copolymer binder for a magnetic recording medium
US4409299A (en) Magnetic recording medium
JPS59172152A (ja) 磁気記録媒体
JP2866402B2 (ja) 磁気記録媒体
JPH0619830B2 (ja) 磁気記録媒体
JPH0568007B2 (enrdf_load_stackoverflow)
JPH0459689B2 (enrdf_load_stackoverflow)
JP2600796B2 (ja) 磁気記録媒体
JPH026131B2 (enrdf_load_stackoverflow)
JPH0421928B2 (enrdf_load_stackoverflow)