FR2095525A5 - - Google Patents

Info

Publication number
FR2095525A5
FR2095525A5 FR7115075A FR7115075A FR2095525A5 FR 2095525 A5 FR2095525 A5 FR 2095525A5 FR 7115075 A FR7115075 A FR 7115075A FR 7115075 A FR7115075 A FR 7115075A FR 2095525 A5 FR2095525 A5 FR 2095525A5
Authority
FR
France
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
FR7115075A
Other languages
French (fr)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR2095525A5 publication Critical patent/FR2095525A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/06—Hydrogen phosphides
    • 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
    • G11B5/70605—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 metals or alloys
    • G11B5/70621—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 metals or alloys containing Co metal or alloys

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Chemically Coating (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
FR7115075A 1970-06-30 1971-04-20 Expired FR2095525A5 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5105170A 1970-06-30 1970-06-30

Publications (1)

Publication Number Publication Date
FR2095525A5 true FR2095525A5 (enExample) 1972-02-11

Family

ID=21969044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7115075A Expired FR2095525A5 (enExample) 1970-06-30 1971-04-20

Country Status (5)

Country Link
US (1) US3756866A (enExample)
JP (1) JPS5542128B1 (enExample)
DE (1) DE2132430A1 (enExample)
FR (1) FR2095525A5 (enExample)
GB (1) GB1324291A (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4059463A (en) * 1972-01-27 1977-11-22 Fuji Photo Film Co., Ltd. Process for producing ferromagnetic powder
JPS59962B2 (ja) * 1973-08-15 1984-01-10 富士写真フイルム株式会社 ジキキロクバイタイヨウフンマツジセイザイリヨウ オヨビ セイゾウホウホウ
US3905841A (en) * 1973-08-30 1975-09-16 Ibm Method of improving dispersability of small metallic magnetic particles in organic resin binders
US3899369A (en) * 1974-03-11 1975-08-12 Ibm Process for the production of magnetic materials having selective coercivity by using selected D.C. magnetic fields
US3954520A (en) * 1974-03-11 1976-05-04 International Business Machines Corporation Process for the production of magnetic materials
JPS5133758A (enExample) * 1974-09-17 1976-03-23 Fuji Photo Film Co Ltd
JPS5142990A (enExample) * 1974-10-11 1976-04-12 Fuji Photo Film Co Ltd
JPS5180998A (enExample) * 1975-01-14 1976-07-15 Fuji Photo Film Co Ltd
US3986901A (en) * 1975-04-30 1976-10-19 International Business Machines Corporation Controlled catalyst for manufacturing magnetic alloy particles having selective coercivity
US4020236A (en) * 1975-07-22 1977-04-26 Fuji Photo Film Co., Ltd. Process for producing a magnetic material and magnetic recording medium containing the same
CA1043594A (en) * 1975-11-26 1978-12-05 Roman M. Genik-Sas-Berezowsky Production of copper by gaseous reduction
JPS5676509A (en) * 1979-11-28 1981-06-24 Tdk Corp Manufacture of magnetic powder
US4659605A (en) * 1984-05-16 1987-04-21 Richardson Chemical Company Electroless deposition magnetic recording media process and products produced thereby
CN111482619B (zh) * 2020-06-19 2022-12-02 北京铁路信号有限公司 一种多级片层结构的钴颗粒、其制备方法及应用
CN115090288B (zh) * 2022-06-24 2023-06-30 安徽理工大学 一种磁控合成金属钴催化剂的方法

Also Published As

Publication number Publication date
GB1324291A (en) 1973-07-25
DE2132430A1 (de) 1972-01-05
US3756866A (en) 1973-09-04
JPS5542128B1 (enExample) 1980-10-29

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Legal Events

Date Code Title Description
ST Notification of lapse