JPS5575927A - Improved cobalttdenatured magnetic iron oxide - Google Patents

Improved cobalttdenatured magnetic iron oxide

Info

Publication number
JPS5575927A
JPS5575927A JP13754479A JP13754479A JPS5575927A JP S5575927 A JPS5575927 A JP S5575927A JP 13754479 A JP13754479 A JP 13754479A JP 13754479 A JP13754479 A JP 13754479A JP S5575927 A JPS5575927 A JP S5575927A
Authority
JP
Japan
Prior art keywords
cobalttdenatured
improved
iron oxide
magnetic iron
magnetic
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
JP13754479A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6344687B2 (enExample
Inventor
Emu Uiruson Debitsudo
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.)
Pfizer Corp Belgium
Original Assignee
Pfizer Corp Belgium
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 Pfizer Corp Belgium filed Critical Pfizer Corp Belgium
Publication of JPS5575927A publication Critical patent/JPS5575927A/ja
Publication of JPS6344687B2 publication Critical patent/JPS6344687B2/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

Landscapes

  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Magnetic Record Carriers (AREA)
JP13754479A 1978-10-25 1979-10-24 Improved cobalttdenatured magnetic iron oxide Granted JPS5575927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US95449878A 1978-10-25 1978-10-25

Publications (2)

Publication Number Publication Date
JPS5575927A true JPS5575927A (en) 1980-06-07
JPS6344687B2 JPS6344687B2 (enExample) 1988-09-06

Family

ID=25495504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13754479A Granted JPS5575927A (en) 1978-10-25 1979-10-24 Improved cobalttdenatured magnetic iron oxide

Country Status (3)

Country Link
JP (1) JPS5575927A (enExample)
BE (1) BE879563A (enExample)
SU (1) SU1579448A3 (enExample)

Also Published As

Publication number Publication date
JPS6344687B2 (enExample) 1988-09-06
BE879563A (fr) 1980-04-22
SU1579448A3 (ru) 1990-07-15

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