JPH0245244B2 - - Google Patents

Info

Publication number
JPH0245244B2
JPH0245244B2 JP55063801A JP6380180A JPH0245244B2 JP H0245244 B2 JPH0245244 B2 JP H0245244B2 JP 55063801 A JP55063801 A JP 55063801A JP 6380180 A JP6380180 A JP 6380180A JP H0245244 B2 JPH0245244 B2 JP H0245244B2
Authority
JP
Japan
Prior art keywords
protective layer
magnetic
weight
layer
paint
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
JP55063801A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56159840A (en
Inventor
Nobuaki Ogoshi
Kazuto Karashima
Atsutaka Yamaguchi
Seiji Wataya
Naoto Akaha
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 JP6380180A priority Critical patent/JPS56159840A/ja
Publication of JPS56159840A publication Critical patent/JPS56159840A/ja
Publication of JPH0245244B2 publication Critical patent/JPH0245244B2/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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/726—Two or more protective coatings
    • 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
    • G11B5/728—Protective coatings, e.g. anti-static or antifriction containing a bonding agent in the protective coating

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP6380180A 1980-05-14 1980-05-14 Magnetic recording medium Granted JPS56159840A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6380180A JPS56159840A (en) 1980-05-14 1980-05-14 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6380180A JPS56159840A (en) 1980-05-14 1980-05-14 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS56159840A JPS56159840A (en) 1981-12-09
JPH0245244B2 true JPH0245244B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-10-08

Family

ID=13239831

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6380180A Granted JPS56159840A (en) 1980-05-14 1980-05-14 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS56159840A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5693122A (en) * 1979-12-24 1981-07-28 Fujitsu Ltd Magnetic recording medium having lubricated magnetic recording layer
US4689254A (en) * 1984-02-01 1987-08-25 Verbatim Corporation Magnetic recording element having a lubricative and protective coating
CN108022714B (zh) * 2016-10-31 2021-06-08 北京北方华创微电子装备有限公司 一种软磁薄膜及其制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5938649B2 (ja) * 1976-12-22 1984-09-18 日本電気株式会社 磁気記憶体およびその製造方法

Also Published As

Publication number Publication date
JPS56159840A (en) 1981-12-09

Similar Documents

Publication Publication Date Title
DE3533162A1 (de) Magnetplatte
JPH0245244B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0241087B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US4515856A (en) Magnetic recording media comprising titanium monoxide and carbon black powders in a magnetic recording layer
JPS6222167B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP0046304B1 (en) Magnetic recording medium
GB2036757A (en) Magnetic recording medium
US5082728A (en) Magnetic disc
JPS6222170B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0350329B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6330699B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6315658B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0413767B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS59186131A (ja) 磁気記録媒体
JPH05274645A (ja) 磁気記録媒体
JPH036569B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS5930237A (ja) 磁気記録媒体
JPS6330698B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US6077595A (en) Magnetic recording medium
JP2964428B2 (ja) 可とう性磁気記録媒体
KR0142902B1 (ko) 자기 기록 매체의 제조방법
JPS6222172B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS62154229A (ja) 磁気記録媒体
DE3635424C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6315660B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)