JPS49119196A - - Google Patents

Info

Publication number
JPS49119196A
JPS49119196A JP48031486A JP3148673A JPS49119196A JP S49119196 A JPS49119196 A JP S49119196A JP 48031486 A JP48031486 A JP 48031486A JP 3148673 A JP3148673 A JP 3148673A JP S49119196 A JPS49119196 A JP S49119196A
Authority
JP
Japan
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
JP48031486A
Other languages
Japanese (ja)
Other versions
JPS5321119B2 (en
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 filed Critical
Priority to JP3148673A priority Critical patent/JPS5321119B2/ja
Priority to GB2538273A priority patent/GB1438011A/en
Priority to DE19742413430 priority patent/DE2413430C3/en
Priority to GB1246374A priority patent/GB1437843A/en
Publication of JPS49119196A publication Critical patent/JPS49119196A/ja
Priority to US05/597,636 priority patent/US4010310A/en
Publication of JPS5321119B2 publication Critical patent/JPS5321119B2/ja
Expired 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
    • G11B5/70684—Ferro-ferrioxydes
    • G11B5/70689—Magnetite
    • 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
    • G11B5/70647—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 with a skin
    • 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
    • G11B5/70684—Ferro-ferrioxydes
    • G11B5/70694—Non-stoechiometric ferro-ferrioxydes, e.g. berthollide

Landscapes

  • Health & Medical Sciences (AREA)
  • Dermatology (AREA)
  • General Health & Medical Sciences (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Magnetic Record Carriers (AREA)
JP3148673A 1972-06-07 1973-03-20 Expired JPS5321119B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP3148673A JPS5321119B2 (en) 1973-03-20 1973-03-20
GB2538273A GB1438011A (en) 1972-06-07 1973-05-29 Branched alkaols and ethoxylates thereof
DE19742413430 DE2413430C3 (en) 1973-03-20 1974-03-20 Magnetic powder and method of making the same
GB1246374A GB1437843A (en) 1973-03-20 1974-03-20 Magnetic powder and the preparation thereof
US05/597,636 US4010310A (en) 1973-03-20 1975-07-21 Magnetic powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3148673A JPS5321119B2 (en) 1973-03-20 1973-03-20

Publications (2)

Publication Number Publication Date
JPS49119196A true JPS49119196A (en) 1974-11-14
JPS5321119B2 JPS5321119B2 (en) 1978-06-30

Family

ID=12332588

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3148673A Expired JPS5321119B2 (en) 1972-06-07 1973-03-20

Country Status (3)

Country Link
JP (1) JPS5321119B2 (en)
DE (1) DE2413430C3 (en)
GB (1) GB1437843A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5170498A (en) * 1974-12-13 1976-06-18 Hitachi Maxell
JPS5196097A (en) * 1975-02-20 1976-08-23
JPS53129896A (en) * 1977-04-20 1978-11-13 Hitachi Maxell Method of manufacturing ferromagnetic powder for magnetic recording
JPS549796A (en) * 1977-06-23 1979-01-24 Hitachi Maxell Method of making ferromagnetic powder

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5853493B2 (en) * 1975-07-02 1983-11-29 富士写真フイルム株式会社 Kiyoji Seifun Matsuno Seiho
JPS525497A (en) * 1975-07-02 1977-01-17 Fuji Photo Film Co Ltd Ferromagnetic grit manufacturing process
JPS608606B2 (en) * 1975-07-02 1985-03-04 富士写真フイルム株式会社 Manufacturing method of ferromagnetic powder
JPS5814729B2 (en) * 1975-08-01 1983-03-22 富士写真フイルム株式会社 Kiyoji Seifun Matsuno Seizou Hohou
GB1603213A (en) * 1977-04-20 1981-11-18 Hitachi Maxell Cobalt containing iron oxide magnetic particles and method for the preparation of the same
JPS5413997A (en) * 1977-07-04 1979-02-01 Sony Corp Magnetic recording medium and its manufacture
DE2903593C3 (en) * 1979-01-31 1982-05-06 Bayer Ag, 5090 Leverkusen Cobalt-doped ferrimagnetic iron oxides and processes for their production
JPS5677926A (en) * 1979-11-28 1981-06-26 Tdk Corp Magnetic recording medium using cobalt adhesion type iron oxide
FR2481256A1 (en) * 1980-04-28 1981-10-30 Rhone Poulenc Ind MAGNETIC PARTICLES OF HIGH COERCIVITY BASED ON COBALT-DERMATED FERRIMAGNETIC IRON OXIDES, PROCESSES FOR THEIR PREPARATION AND THEIR APPLICATIONS
JPH0773671B2 (en) * 1990-01-29 1995-08-09 三菱マテリアル株式会社 Ceramic composite powder and method for producing the same
US20100199406A1 (en) 2009-02-06 2010-08-12 Nike, Inc. Thermoplastic Non-Woven Textile Elements
US9682512B2 (en) 2009-02-06 2017-06-20 Nike, Inc. Methods of joining textiles and other elements incorporating a thermoplastic polymer material
CN114226744B (en) * 2021-11-25 2024-09-20 中国科学院金属研究所 Preparation method of shape-controllable permalloy powder microwave absorbent

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573980A (en) * 1968-02-19 1971-04-06 Minnesota Mining & Mfg Method of making magnetic particles and recording tape

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5170498A (en) * 1974-12-13 1976-06-18 Hitachi Maxell
JPS5324639B2 (en) * 1974-12-13 1978-07-21
JPS5196097A (en) * 1975-02-20 1976-08-23
JPS5523451B2 (en) * 1975-02-20 1980-06-23
JPS53129896A (en) * 1977-04-20 1978-11-13 Hitachi Maxell Method of manufacturing ferromagnetic powder for magnetic recording
JPS5853494B2 (en) * 1977-04-20 1983-11-29 日立マクセル株式会社 Method for producing ferromagnetic powder for magnetic recording
JPS549796A (en) * 1977-06-23 1979-01-24 Hitachi Maxell Method of making ferromagnetic powder
JPS6034244B2 (en) * 1977-06-23 1985-08-07 日立マクセル株式会社 Manufacturing method of ferromagnetic powder

Also Published As

Publication number Publication date
GB1437843A (en) 1976-06-03
DE2413430B2 (en) 1980-07-03
JPS5321119B2 (en) 1978-06-30
DE2413430A1 (en) 1974-10-03
DE2413430C3 (en) 1981-05-27

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