JPS5661101A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS5661101A
JPS5661101A JP13635579A JP13635579A JPS5661101A JP S5661101 A JPS5661101 A JP S5661101A JP 13635579 A JP13635579 A JP 13635579A JP 13635579 A JP13635579 A JP 13635579A JP S5661101 A JPS5661101 A JP S5661101A
Authority
JP
Japan
Prior art keywords
hexagonal crystal
substituted
magnetic recording
magnetic
ferrite
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
JP13635579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6115563B2 (enrdf_load_stackoverflow
Inventor
Koki Yokoyama
Reiji Nishikawa
Osamu Kubo
Tadashi Ido
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 JP13635579A priority Critical patent/JPS5661101A/ja
Publication of JPS5661101A publication Critical patent/JPS5661101A/ja
Publication of JPS6115563B2 publication Critical patent/JPS6115563B2/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
    • G11B5/70626—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 containing non-metallic substances
    • G11B5/70642—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 containing non-metallic substances iron oxides
    • G11B5/70678—Ferrites

Landscapes

  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Paints Or Removers (AREA)
JP13635579A 1979-10-24 1979-10-24 Magnetic recording medium Granted JPS5661101A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13635579A JPS5661101A (en) 1979-10-24 1979-10-24 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13635579A JPS5661101A (en) 1979-10-24 1979-10-24 Magnetic recording medium

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP59150781A Division JPS6063715A (ja) 1984-07-20 1984-07-20 磁気記録体
JP59150780A Division JPS6063714A (ja) 1984-07-20 1984-07-20 磁気記録体

Publications (2)

Publication Number Publication Date
JPS5661101A true JPS5661101A (en) 1981-05-26
JPS6115563B2 JPS6115563B2 (enrdf_load_stackoverflow) 1986-04-24

Family

ID=15173239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13635579A Granted JPS5661101A (en) 1979-10-24 1979-10-24 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5661101A (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS582225A (ja) * 1981-06-25 1983-01-07 Toshiba Corp 磁気記録用六方晶フェライト粉末の製造方法
JPS58119610A (ja) * 1982-01-08 1983-07-16 Toshiba Corp 磁気記録媒体
JPS5996532A (ja) * 1982-11-25 1984-06-04 Fuji Photo Film Co Ltd 磁気記録体
JPS6063715A (ja) * 1984-07-20 1985-04-12 Toshiba Corp 磁気記録体
JPS6063714A (ja) * 1984-07-20 1985-04-12 Toshiba Corp 磁気記録体
JPS60191022A (ja) * 1984-03-13 1985-09-28 Hitachi Ltd 六方晶フエライト粉末およびその製法
JPS60209928A (ja) * 1984-03-31 1985-10-22 Toshiba Corp 磁気記録媒体
JPS621114A (ja) * 1985-06-26 1987-01-07 Fuji Photo Film Co Ltd 磁気記録媒体
JPS6218620A (ja) * 1985-07-17 1987-01-27 Matsushita Electric Ind Co Ltd 塗布型垂直磁気記録媒体
JPS62134824A (ja) * 1985-12-07 1987-06-17 Konishiroku Photo Ind Co Ltd 磁気記録媒体

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4838705A (enrdf_load_stackoverflow) * 1971-09-17 1973-06-07
JPS50134608A (enrdf_load_stackoverflow) * 1974-04-10 1975-10-24
JPS5320596A (en) * 1976-08-10 1978-02-24 Mitsubishi Metal Corp Method of manufacturing highhmagnetic resistant magneticcrecording powder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4838705A (enrdf_load_stackoverflow) * 1971-09-17 1973-06-07
JPS50134608A (enrdf_load_stackoverflow) * 1974-04-10 1975-10-24
JPS5320596A (en) * 1976-08-10 1978-02-24 Mitsubishi Metal Corp Method of manufacturing highhmagnetic resistant magneticcrecording powder

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS582225A (ja) * 1981-06-25 1983-01-07 Toshiba Corp 磁気記録用六方晶フェライト粉末の製造方法
JPS58119610A (ja) * 1982-01-08 1983-07-16 Toshiba Corp 磁気記録媒体
JPS5996532A (ja) * 1982-11-25 1984-06-04 Fuji Photo Film Co Ltd 磁気記録体
JPS60191022A (ja) * 1984-03-13 1985-09-28 Hitachi Ltd 六方晶フエライト粉末およびその製法
JPS60209928A (ja) * 1984-03-31 1985-10-22 Toshiba Corp 磁気記録媒体
JPS6063715A (ja) * 1984-07-20 1985-04-12 Toshiba Corp 磁気記録体
JPS6063714A (ja) * 1984-07-20 1985-04-12 Toshiba Corp 磁気記録体
JPS621114A (ja) * 1985-06-26 1987-01-07 Fuji Photo Film Co Ltd 磁気記録媒体
JPS6218620A (ja) * 1985-07-17 1987-01-27 Matsushita Electric Ind Co Ltd 塗布型垂直磁気記録媒体
JPS62134824A (ja) * 1985-12-07 1987-06-17 Konishiroku Photo Ind Co Ltd 磁気記録媒体

Also Published As

Publication number Publication date
JPS6115563B2 (enrdf_load_stackoverflow) 1986-04-24

Similar Documents

Publication Publication Date Title
US4636433A (en) Magnetic powders for magnetic recording media and magnetic recording media employing said magnetic powder therein
EP0095070B1 (en) Magnetic recording media
JPS57195329A (en) Magnetic recording medium
JPS5661101A (en) Magnetic recording medium
JPS5660001A (en) Magnetic recording medium
EP0090052B1 (en) Magnetic recording medium
US5766763A (en) Hexagonal system ferrite powder for a high density magnetic recording medium
JPS6242337B2 (enrdf_load_stackoverflow)
GB862821A (en) Improvements in or relating to methods of manufacturing bodies of ferromagnetic materials
EP0075991A3 (en) Magnetic recording medium and method for the production thereof
JPH033922B2 (enrdf_load_stackoverflow)
US3065182A (en) Low flux density ferromagnetic material
JPS6217841B2 (enrdf_load_stackoverflow)
JPS5584041A (en) Magnetic recording medium
EP0090053B1 (en) Magnetic recording medium
JPS57201004A (en) Magnetic recording medium
JPS6442104A (en) Magnetic powder for magnetic recording
JPS5756326A (en) Manufacture of magnetic powder for magnetic recording medium
JPS6489504A (en) Magnetic powder for high density magnetic recording and magnetic recording medium using same
JPS57106526A (en) Manufacture of needlelike fine particle of iron oxyhydroxide
JPS6435901A (en) Magnetic powder and manufacture thereof
JPS6356607B2 (enrdf_load_stackoverflow)
JPS6464118A (en) Magnetic recording medium
JPS6427206A (en) Ferromagnetic fine powder for magnetic recording and manufacture thereof
JPS5698718A (en) Magnetic recording medium