JPH0373051B2 - - Google Patents

Info

Publication number
JPH0373051B2
JPH0373051B2 JP56020388A JP2038881A JPH0373051B2 JP H0373051 B2 JPH0373051 B2 JP H0373051B2 JP 56020388 A JP56020388 A JP 56020388A JP 2038881 A JP2038881 A JP 2038881A JP H0373051 B2 JPH0373051 B2 JP H0373051B2
Authority
JP
Japan
Prior art keywords
recording
magnetic
iron powder
wavelength
ferromagnetic
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
JP56020388A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57135436A (en
Inventor
Ryoji Nakabachi
Naoko Kawamura
Masashi Somezawa
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP56020388A priority Critical patent/JPS57135436A/ja
Publication of JPS57135436A publication Critical patent/JPS57135436A/ja
Publication of JPH0373051B2 publication Critical patent/JPH0373051B2/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)
JP56020388A 1981-02-14 1981-02-14 Magnetic recording medium Granted JPS57135436A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56020388A JPS57135436A (en) 1981-02-14 1981-02-14 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56020388A JPS57135436A (en) 1981-02-14 1981-02-14 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS57135436A JPS57135436A (en) 1982-08-21
JPH0373051B2 true JPH0373051B2 (enrdf_load_stackoverflow) 1991-11-20

Family

ID=12025632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56020388A Granted JPS57135436A (en) 1981-02-14 1981-02-14 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57135436A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5975432A (ja) * 1982-10-22 1984-04-28 Fuji Photo Film Co Ltd 磁気記録体
JPH0618061B2 (ja) * 1983-03-14 1994-03-09 日立マクセル株式会社 磁気記録媒体
JPS59201218A (ja) * 1983-04-28 1984-11-14 Fuji Photo Film Co Ltd 磁気記録体
JPH0618063B2 (ja) * 1984-09-19 1994-03-09 日立マクセル株式会社 磁気デイスク
JPH0666597U (ja) * 1991-11-07 1994-09-20 二郎 伊藤 プレス用具
US6309479B1 (en) 1998-11-05 2001-10-30 Toda Kogyo Corporation Spindle-shaped goethite particles, spindle-shaped hematite particles and magnetic spindle-shaped metal particles containing iron as main component

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2835880A1 (de) * 1978-08-16 1980-02-28 Bayer Ag Verfahren zur herstellung von titandioxidpigmenten mit hoher wetterbestaendigkeit

Also Published As

Publication number Publication date
JPS57135436A (en) 1982-08-21

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