JPH0121526B2 - - Google Patents

Info

Publication number
JPH0121526B2
JPH0121526B2 JP55013243A JP1324380A JPH0121526B2 JP H0121526 B2 JPH0121526 B2 JP H0121526B2 JP 55013243 A JP55013243 A JP 55013243A JP 1324380 A JP1324380 A JP 1324380A JP H0121526 B2 JPH0121526 B2 JP H0121526B2
Authority
JP
Japan
Prior art keywords
magnetic
ethylenically unsaturated
group
unsaturated hydrocarbon
hydrocarbon group
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
Application number
JP55013243A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56111129A (en
Inventor
Haruo Watanabe
Koichi Kawakado
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 JP1324380A priority Critical patent/JPS56111129A/ja
Publication of JPS56111129A publication Critical patent/JPS56111129A/ja
Publication of JPH0121526B2 publication Critical patent/JPH0121526B2/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
    • G11B5/7013—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 dispersing agent

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP1324380A 1980-02-06 1980-02-06 Magnetic recording medium Granted JPS56111129A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1324380A JPS56111129A (en) 1980-02-06 1980-02-06 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1324380A JPS56111129A (en) 1980-02-06 1980-02-06 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS56111129A JPS56111129A (en) 1981-09-02
JPH0121526B2 true JPH0121526B2 (enrdf_load_html_response) 1989-04-21

Family

ID=11827754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1324380A Granted JPS56111129A (en) 1980-02-06 1980-02-06 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS56111129A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173693A (ja) * 1982-04-03 1983-10-12 Fuji Kagakushi Kogyo Co Ltd 磁気記録媒体
JPS5979431A (ja) * 1982-10-29 1984-05-08 Konishiroku Photo Ind Co Ltd 磁気記録媒体

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS554804B2 (enrdf_load_html_response) * 1975-03-22 1980-02-01
JPS5853409B2 (ja) * 1979-03-22 1983-11-29 富士化学紙工業株式会社 磁気記録体

Also Published As

Publication number Publication date
JPS56111129A (en) 1981-09-02

Similar Documents

Publication Publication Date Title
US4434210A (en) Magnetic recording medium
JPS5928964B2 (ja) 磁気録音媒体
JPH0120489B2 (enrdf_load_html_response)
GB1585419A (en) Process of producing cobalt-containing feromagnetic iron oxide powder
US4533565A (en) Method for surface treatment of ferromagnetic fine powder and forming a magnetic recording device
JP2739600B2 (ja) 強磁性金属粉末の処理方法及び磁気記録媒体の製造方法
JPH0121526B2 (enrdf_load_html_response)
GB1583256A (en) Acicular cobaltmodified magnetic iron oxide and its manufacture
JP2937211B2 (ja) 針状磁性酸化鉄粒子粉末の製造法
JP2982070B2 (ja) 強磁性金属粉末及び磁気記録媒体
JPH04157615A (ja) 磁性粉末の処理方法
JP2799221B2 (ja) 磁気記録媒体
JP2799205B2 (ja) 磁気記録媒体
JP3428197B2 (ja) 針状磁性酸化鉄粒子粉末及びその製造法
JP2970705B2 (ja) 針状磁性酸化鉄粒子粉末の製造法
JP2897794B2 (ja) コバルト被着型磁性酸化鉄粒子粉末の製造法
JP2970699B2 (ja) 針状磁性酸化鉄粒子粉末の製造法
JPH02208821A (ja) 磁気記録媒体
JP2945444B2 (ja) 塗布型磁気記録媒体用塗膜強化性磁性粒子粉末
US5418285A (en) Magnetic recording medium
JPH0620261A (ja) 磁気記録媒体
JPH0658737B2 (ja) 磁気記録媒体
JP2799197B2 (ja) 磁気記録媒体
JPS60121524A (ja) 磁気記録媒体
JPS5845087B2 (ja) 磁気記録媒体用磁性塗料の製造法