JPS5914125A - 磁気記録媒体 - Google Patents

磁気記録媒体

Info

Publication number
JPS5914125A
JPS5914125A JP57124153A JP12415382A JPS5914125A JP S5914125 A JPS5914125 A JP S5914125A JP 57124153 A JP57124153 A JP 57124153A JP 12415382 A JP12415382 A JP 12415382A JP S5914125 A JPS5914125 A JP S5914125A
Authority
JP
Japan
Prior art keywords
coat layer
average particle
back coat
parts
tio2
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
JP57124153A
Other languages
English (en)
Japanese (ja)
Other versions
JPH053049B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Takeshi Matsuura
松浦　武志
Akira Morioka
章 森岡
Yoshiyuki Takahira
高平　義之
Seiji Wataya
渡谷　誠治
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.)
Maxell Ltd
Original Assignee
Hitachi Maxell 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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP57124153A priority Critical patent/JPS5914125A/ja
Publication of JPS5914125A publication Critical patent/JPS5914125A/ja
Publication of JPH053049B2 publication Critical patent/JPH053049B2/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

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP57124153A 1982-07-15 1982-07-15 磁気記録媒体 Granted JPS5914125A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57124153A JPS5914125A (ja) 1982-07-15 1982-07-15 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57124153A JPS5914125A (ja) 1982-07-15 1982-07-15 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS5914125A true JPS5914125A (ja) 1984-01-25
JPH053049B2 JPH053049B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-01-13

Family

ID=14878245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57124153A Granted JPS5914125A (ja) 1982-07-15 1982-07-15 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS5914125A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928240A (ja) * 1982-08-05 1984-02-14 Tdk Corp 磁気記録媒体
JPS5956223A (ja) * 1982-09-27 1984-03-31 Fuji Photo Film Co Ltd 磁気記録媒体
JPS62112219A (ja) * 1985-11-11 1987-05-23 Tdk Corp 磁気記録媒体
JPS62234231A (ja) * 1986-04-04 1987-10-14 Konika Corp 高ヤング率を有する磁気記録媒体

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4849518A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-10-19 1973-07-12
JPS4911305A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-05-31 1974-01-31

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4849518A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-10-19 1973-07-12
JPS4911305A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-05-31 1974-01-31

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5928240A (ja) * 1982-08-05 1984-02-14 Tdk Corp 磁気記録媒体
JPS5956223A (ja) * 1982-09-27 1984-03-31 Fuji Photo Film Co Ltd 磁気記録媒体
JPS62112219A (ja) * 1985-11-11 1987-05-23 Tdk Corp 磁気記録媒体
JPS62234231A (ja) * 1986-04-04 1987-10-14 Konika Corp 高ヤング率を有する磁気記録媒体

Also Published As

Publication number Publication date
JPH053049B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-01-13

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