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 (enrdf_load_stackoverflow
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/de
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 (enrdf_load_stackoverflow)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP3148673A JPS5321119B2 (enrdf_load_stackoverflow) 1973-03-20 1973-03-20
GB2538273A GB1438011A (en) 1972-06-07 1973-05-29 Branched alkaols and ethoxylates thereof
DE19742413430 DE2413430C3 (de) 1973-03-20 1974-03-20 Magnetisches Pulver und Verfahren zur Herstellung desselben
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 (enrdf_load_stackoverflow) 1973-03-20 1973-03-20

Publications (2)

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

Family

ID=12332588

Family Applications (1)

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

Country Status (3)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5170498A (enrdf_load_stackoverflow) * 1974-12-13 1976-06-18 Hitachi Maxell
JPS5196097A (enrdf_load_stackoverflow) * 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
JPS525497A (en) * 1975-07-02 1977-01-17 Fuji Photo Film Co Ltd Ferromagnetic grit manufacturing process
JPS5853493B2 (ja) * 1975-07-02 1983-11-29 富士写真フイルム株式会社 キヨウジセイフンマツノセイホウ
JPS608606B2 (ja) * 1975-07-02 1985-03-04 富士写真フイルム株式会社 強磁性粉末の製法
JPS5814729B2 (ja) * 1975-08-01 1983-03-22 富士写真フイルム株式会社 キヨウジセイフンマツノセイゾウホウホウ
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 (de) * 1979-01-31 1982-05-06 Bayer Ag, 5090 Leverkusen Kobalt-dotierte ferrimagnetische Eisenoxide und Verfahren zu deren Herstellung
JPS5677926A (en) * 1979-11-28 1981-06-26 Tdk Corp Magnetic recording medium using cobalt adhesion type iron oxide
FR2481256A1 (fr) * 1980-04-28 1981-10-30 Rhone Poulenc Ind Particules magnetiques de coercivite elevee a base d'oxydes de fer ferrimagnetique dopees au cobalt, leurs procedes de preparation et leurs applications
JPH0773671B2 (ja) * 1990-01-29 1995-08-09 三菱マテリアル株式会社 セラミックス複合粉末及びその製造方法
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 (zh) * 2021-11-25 2024-09-20 中国科学院金属研究所 一种形状可控的坡莫合金粉体微波吸收剂的制备方法

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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5170498A (enrdf_load_stackoverflow) * 1974-12-13 1976-06-18 Hitachi Maxell
JPS5196097A (enrdf_load_stackoverflow) * 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

Also Published As

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

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