JPH0231484B2 - - Google Patents

Info

Publication number
JPH0231484B2
JPH0231484B2 JP56010407A JP1040781A JPH0231484B2 JP H0231484 B2 JPH0231484 B2 JP H0231484B2 JP 56010407 A JP56010407 A JP 56010407A JP 1040781 A JP1040781 A JP 1040781A JP H0231484 B2 JPH0231484 B2 JP H0231484B2
Authority
JP
Japan
Prior art keywords
acicular
ferric oxide
hydrated ferric
particles
iron oxide
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
JP56010407A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57124404A (en
Inventor
Masaru Isoai
Hiroyuki Kondo
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.)
Toda Kogyo Corp
Original Assignee
Toda Kogyo 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 Toda Kogyo Corp filed Critical Toda Kogyo Corp
Priority to JP56010407A priority Critical patent/JPS57124404A/ja
Publication of JPS57124404A publication Critical patent/JPS57124404A/ja
Publication of JPH0231484B2 publication Critical patent/JPH0231484B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/706Record 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
    • G11B5/70626Record 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
    • G11B5/70642Record 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

  • Compounds Of Iron (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
JP56010407A 1981-01-26 1981-01-26 Manufacture of magnetic iron oxide powder Granted JPS57124404A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56010407A JPS57124404A (en) 1981-01-26 1981-01-26 Manufacture of magnetic iron oxide powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56010407A JPS57124404A (en) 1981-01-26 1981-01-26 Manufacture of magnetic iron oxide powder

Publications (2)

Publication Number Publication Date
JPS57124404A JPS57124404A (en) 1982-08-03
JPH0231484B2 true JPH0231484B2 (enrdf_load_stackoverflow) 1990-07-13

Family

ID=11749279

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56010407A Granted JPS57124404A (en) 1981-01-26 1981-01-26 Manufacture of magnetic iron oxide powder

Country Status (1)

Country Link
JP (1) JPS57124404A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0753581B2 (ja) * 1985-12-12 1995-06-07 岡村製油株式会社 強磁性マグネタイト超微粒子の製造方法
JPH0613407B2 (ja) * 1986-04-26 1994-02-23 戸田工業株式会社 針状磁性酸化鉄粒子粉末の製造法
JP3009695B2 (ja) 1990-01-26 2000-02-14 戸田工業株式会社 鉄を主成分とする磁性粒子粉末及びその製造法
JP2609509B2 (ja) * 1994-04-12 1997-05-14 みづほ工業株式会社 ペレット状油脂類の計量方法および装置
CN103977800B (zh) * 2014-05-16 2016-01-20 黑龙江省科学院自然与生态研究所 核壳结构纳米磁性羟基氧化铁臭氧催化剂的合成方法

Also Published As

Publication number Publication date
JPS57124404A (en) 1982-08-03

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