JPS5447606A - Production of magnetic recording media - Google Patents

Production of magnetic recording media

Info

Publication number
JPS5447606A
JPS5447606A JP11334877A JP11334877A JPS5447606A JP S5447606 A JPS5447606 A JP S5447606A JP 11334877 A JP11334877 A JP 11334877A JP 11334877 A JP11334877 A JP 11334877A JP S5447606 A JPS5447606 A JP S5447606A
Authority
JP
Japan
Prior art keywords
magnetic
spacings
plate form
form magnets
disposed
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
JP11334877A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5645210B2 (https=
Inventor
Katsuyoshi Chiba
Yoshiki Kato
Mitsuo Tsunoda
Hajime Fukuya
Teruaki Kobayashi
Heigo Ishihara
Kazuichi Nagashiro
Munehisa Mitsuya
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 Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP11334877A priority Critical patent/JPS5447606A/ja
Priority to US05/943,123 priority patent/US4189508A/en
Priority to DE2841426A priority patent/DE2841426C3/de
Publication of JPS5447606A publication Critical patent/JPS5447606A/ja
Publication of JPS5645210B2 publication Critical patent/JPS5645210B2/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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/842—Coating a support with a liquid magnetic dispersion
    • G11B5/845—Coating a support with a liquid magnetic dispersion in a magnetic field
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
JP11334877A 1977-09-22 1977-09-22 Production of magnetic recording media Granted JPS5447606A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP11334877A JPS5447606A (en) 1977-09-22 1977-09-22 Production of magnetic recording media
US05/943,123 US4189508A (en) 1977-09-22 1978-09-18 Process for the preparation of magnetic recording medium
DE2841426A DE2841426C3 (de) 1977-09-22 1978-09-22 Verfahren zur Herstellung eines magnetischen Aufzeichnungsmediums

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11334877A JPS5447606A (en) 1977-09-22 1977-09-22 Production of magnetic recording media

Publications (2)

Publication Number Publication Date
JPS5447606A true JPS5447606A (en) 1979-04-14
JPS5645210B2 JPS5645210B2 (https=) 1981-10-24

Family

ID=14609966

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11334877A Granted JPS5447606A (en) 1977-09-22 1977-09-22 Production of magnetic recording media

Country Status (3)

Country Link
US (1) US4189508A (https=)
JP (1) JPS5447606A (https=)
DE (1) DE2841426C3 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2912708A1 (de) * 1979-03-30 1980-10-09 Basf Ag Datenspeichersystem und magnetscheiben dafuer
JPS56117336A (en) * 1980-02-19 1981-09-14 Sony Corp Manufacture of magnetic recording medium
JPS59124039A (ja) * 1982-12-29 1984-07-18 Fuji Photo Film Co Ltd 磁気記録媒体の製法
JPS59223939A (ja) * 1983-06-02 1984-12-15 Victor Co Of Japan Ltd 円盤状磁気記録媒体の配向処理装置
JPS61160835A (ja) * 1985-01-09 1986-07-21 Fuji Photo Film Co Ltd 磁気記録媒体の製造方法および装置
JPS61187125A (ja) * 1985-02-14 1986-08-20 Hitachi Ltd 磁気デイスクの磁場配向方法
DE3523396A1 (de) * 1985-06-29 1987-01-08 Agfa Gevaert Ag Verfahren zur herstellung eines magnetischen aufzeichnungsmaterials
JPS6280827A (ja) * 1985-10-04 1987-04-14 Hitachi Ltd 磁気デイスク
US4824708A (en) * 1985-11-11 1989-04-25 Canon Kabushiki Kaisha Process for producing magnetic recording medium
US5034243A (en) * 1988-11-04 1991-07-23 Hitachi, Ltd. Method for magnetic orientation of magnetic recording medium using Meissner effect of high Tc superconductor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2444971A1 (de) * 1974-09-20 1976-04-01 Bayer Ag Vorrichtung zur herstellung von magnetbaendern mit verbesserter ausrichtung

Also Published As

Publication number Publication date
DE2841426B2 (https=) 1980-11-20
DE2841426A1 (de) 1979-03-29
US4189508A (en) 1980-02-19
JPS5645210B2 (https=) 1981-10-24
DE2841426C3 (de) 1981-11-12

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