JPH0789407B2 - 磁気デイスク - Google Patents

磁気デイスク

Info

Publication number
JPH0789407B2
JPH0789407B2 JP60230576A JP23057685A JPH0789407B2 JP H0789407 B2 JPH0789407 B2 JP H0789407B2 JP 60230576 A JP60230576 A JP 60230576A JP 23057685 A JP23057685 A JP 23057685A JP H0789407 B2 JPH0789407 B2 JP H0789407B2
Authority
JP
Japan
Prior art keywords
magnetic
lubricant
magnetic layer
parts
durability
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 - Fee Related
Application number
JP60230576A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6289218A (ja
Inventor
照久 宮田
正也 船橋
建一 井上
明 三宅
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.)
Hitachi Maxell Energy Ltd
Original Assignee
Hitachi Maxell Energy 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 Energy Ltd filed Critical Hitachi Maxell Energy Ltd
Priority to JP60230576A priority Critical patent/JPH0789407B2/ja
Priority to DE19863634692 priority patent/DE3634692C2/de
Publication of JPS6289218A publication Critical patent/JPS6289218A/ja
Publication of JPH0789407B2 publication Critical patent/JPH0789407B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/71—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the lubricant
    • 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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
    • G11B5/7021—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing a polyurethane or a polyisocyanate

Landscapes

  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Lubricants (AREA)
JP60230576A 1985-10-15 1985-10-15 磁気デイスク Expired - Fee Related JPH0789407B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP60230576A JPH0789407B2 (ja) 1985-10-15 1985-10-15 磁気デイスク
DE19863634692 DE3634692C2 (de) 1985-10-15 1986-10-11 Magnetische Scheibe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60230576A JPH0789407B2 (ja) 1985-10-15 1985-10-15 磁気デイスク

Publications (2)

Publication Number Publication Date
JPS6289218A JPS6289218A (ja) 1987-04-23
JPH0789407B2 true JPH0789407B2 (ja) 1995-09-27

Family

ID=16909907

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60230576A Expired - Fee Related JPH0789407B2 (ja) 1985-10-15 1985-10-15 磁気デイスク

Country Status (2)

Country Link
JP (1) JPH0789407B2 (de)
DE (1) DE3634692C2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001049163A (ja) * 1999-08-04 2001-02-20 Wolff Walsrode Ag セルロース物質含有コーティング剤およびそれをラッカーで用いる使用

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53104202A (en) * 1977-02-23 1978-09-11 Hitachi Ltd Manufacture of magnetic disc
JPS56143523A (en) * 1980-04-07 1981-11-09 Fuji Photo Film Co Ltd Magnetic recording medium
JPS5841565A (ja) * 1981-09-07 1983-03-10 日本ゼオン株式会社 拍動型血液ポンプ
JPS58194142A (ja) * 1982-05-04 1983-11-12 Fuji Photo Film Co Ltd 磁気記録体の製法
JPS58222433A (ja) * 1982-06-17 1983-12-24 Fuji Photo Film Co Ltd 磁気記録媒体
JPS605416A (ja) * 1983-06-22 1985-01-12 Fuji Photo Film Co Ltd 磁気記録媒体
JPS6010419A (ja) * 1983-06-27 1985-01-19 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 磁性記録素子
JPS60145523A (ja) * 1984-01-10 1985-08-01 Nippon Telegr & Teleph Corp <Ntt> 磁気記録媒体とその製法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58130435A (ja) * 1982-01-29 1983-08-03 Fuji Photo Film Co Ltd 磁気記録媒体

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53104202A (en) * 1977-02-23 1978-09-11 Hitachi Ltd Manufacture of magnetic disc
JPS56143523A (en) * 1980-04-07 1981-11-09 Fuji Photo Film Co Ltd Magnetic recording medium
JPS5841565A (ja) * 1981-09-07 1983-03-10 日本ゼオン株式会社 拍動型血液ポンプ
JPS58194142A (ja) * 1982-05-04 1983-11-12 Fuji Photo Film Co Ltd 磁気記録体の製法
JPS58222433A (ja) * 1982-06-17 1983-12-24 Fuji Photo Film Co Ltd 磁気記録媒体
JPS605416A (ja) * 1983-06-22 1985-01-12 Fuji Photo Film Co Ltd 磁気記録媒体
JPS6010419A (ja) * 1983-06-27 1985-01-19 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 磁性記録素子
JPS60145523A (ja) * 1984-01-10 1985-08-01 Nippon Telegr & Teleph Corp <Ntt> 磁気記録媒体とその製法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001049163A (ja) * 1999-08-04 2001-02-20 Wolff Walsrode Ag セルロース物質含有コーティング剤およびそれをラッカーで用いる使用

Also Published As

Publication number Publication date
DE3634692A1 (de) 1987-04-16
JPS6289218A (ja) 1987-04-23
DE3634692C2 (de) 1995-06-14

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees