JPS57212623A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS57212623A
JPS57212623A JP56095932A JP9593281A JPS57212623A JP S57212623 A JPS57212623 A JP S57212623A JP 56095932 A JP56095932 A JP 56095932A JP 9593281 A JP9593281 A JP 9593281A JP S57212623 A JPS57212623 A JP S57212623A
Authority
JP
Japan
Prior art keywords
magnetic
magnetic powder
grain size
barium ferrite
fe2o3
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
JP56095932A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6242337B2 (fr
Inventor
Moriyasu Wada
Hirohisa Kato
Toshihiko Oguchi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP56095932A priority Critical patent/JPS57212623A/ja
Publication of JPS57212623A publication Critical patent/JPS57212623A/ja
Publication of JPS6242337B2 publication Critical patent/JPS6242337B2/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
    • G11B5/68—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
    • G11B5/706—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 composition of the magnetic material

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
JP56095932A 1981-06-23 1981-06-23 Magnetic recording medium Granted JPS57212623A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56095932A JPS57212623A (en) 1981-06-23 1981-06-23 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56095932A JPS57212623A (en) 1981-06-23 1981-06-23 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS57212623A true JPS57212623A (en) 1982-12-27
JPS6242337B2 JPS6242337B2 (fr) 1987-09-08

Family

ID=14151040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56095932A Granted JPS57212623A (en) 1981-06-23 1981-06-23 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57212623A (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59175707A (ja) * 1983-03-26 1984-10-04 Toda Kogyo Corp 磁気記録用板状Ｂａフエライト微粒子粉末及びその製造法
JPS60143429A (ja) * 1983-12-29 1985-07-29 Fuji Photo Film Co Ltd 磁気記録媒体
JPS60201527A (ja) * 1984-03-22 1985-10-12 Fuji Photo Film Co Ltd 磁気記録媒体
US4565726A (en) * 1982-05-24 1986-01-21 Tokyo Shibaura Denki Kabushiki Kaisha Magnetic recording media having ferromagnetic and ferrite particles in the magnetic layer thereof
JPS6185622A (ja) * 1984-10-01 1986-05-01 Victor Co Of Japan Ltd 磁気記録媒体
JPS6216232A (ja) * 1985-07-16 1987-01-24 Toshiba Corp 磁気記録用磁性粉及びそれを用いた磁気記録用媒体
US4699771A (en) * 1984-05-14 1987-10-13 Kabushiki Kaisha Toshiba Magnetic recording powder, method of manufacturing thereof and application thereof
US4746569A (en) * 1985-05-20 1988-05-24 Fujitsu Limited Longitudinal magnetic coated recording medium
JPS6442104A (en) * 1987-08-08 1989-02-14 Toshiba Corp Magnetic powder for magnetic recording
JP2017021883A (ja) * 2015-07-09 2017-01-26 ダイニック株式会社 磁気記録用積層体及びそれを用いた磁気記録媒体

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4565726A (en) * 1982-05-24 1986-01-21 Tokyo Shibaura Denki Kabushiki Kaisha Magnetic recording media having ferromagnetic and ferrite particles in the magnetic layer thereof
JPS59175707A (ja) * 1983-03-26 1984-10-04 Toda Kogyo Corp 磁気記録用板状Ｂａフエライト微粒子粉末及びその製造法
JPH0212004B2 (fr) * 1983-03-26 1990-03-16 Toda Kogyo Kk
JPS60143429A (ja) * 1983-12-29 1985-07-29 Fuji Photo Film Co Ltd 磁気記録媒体
JPS60201527A (ja) * 1984-03-22 1985-10-12 Fuji Photo Film Co Ltd 磁気記録媒体
JPH0576697B2 (fr) * 1984-03-22 1993-10-25 Fuji Photo Film Co Ltd
US4699771A (en) * 1984-05-14 1987-10-13 Kabushiki Kaisha Toshiba Magnetic recording powder, method of manufacturing thereof and application thereof
US4837092A (en) * 1984-05-14 1989-06-06 Kabushiki Kaisha Toshiba Magnetic recording powder, method of manufacturing thereof and application thereof
US4699840A (en) * 1984-10-01 1987-10-13 Victor Company Of Japan, Ltd. Magnetic recording medium
JPS6185622A (ja) * 1984-10-01 1986-05-01 Victor Co Of Japan Ltd 磁気記録媒体
US4746569A (en) * 1985-05-20 1988-05-24 Fujitsu Limited Longitudinal magnetic coated recording medium
JPS6216232A (ja) * 1985-07-16 1987-01-24 Toshiba Corp 磁気記録用磁性粉及びそれを用いた磁気記録用媒体
JPS6442104A (en) * 1987-08-08 1989-02-14 Toshiba Corp Magnetic powder for magnetic recording
JP2017021883A (ja) * 2015-07-09 2017-01-26 ダイニック株式会社 磁気記録用積層体及びそれを用いた磁気記録媒体

Also Published As

Publication number Publication date
JPS6242337B2 (fr) 1987-09-08

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