GB1336330A - Method of manufacturing a ceramic ferromagnetic object - Google Patents

Method of manufacturing a ceramic ferromagnetic object

Info

Publication number
GB1336330A
GB1336330A GB2418571A GB2418571A GB1336330A GB 1336330 A GB1336330 A GB 1336330A GB 2418571 A GB2418571 A GB 2418571A GB 2418571 A GB2418571 A GB 2418571A GB 1336330 A GB1336330 A GB 1336330A
Authority
GB
United Kingdom
Prior art keywords
ferrite
sol
manufacturing
until
aqueous solution
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
GB2418571A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1336330A publication Critical patent/GB1336330A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/842—Coating a support with a liquid magnetic dispersion
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/16—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Producing Shaped Articles From Materials (AREA)
GB2418571A 1970-03-19 1971-04-19 Method of manufacturing a ceramic ferromagnetic object Expired GB1336330A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7003901A NL7003901A (enrdf_load_stackoverflow) 1970-03-19 1970-03-19

Publications (1)

Publication Number Publication Date
GB1336330A true GB1336330A (en) 1973-11-07

Family

ID=19809622

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2418571A Expired GB1336330A (en) 1970-03-19 1971-04-19 Method of manufacturing a ceramic ferromagnetic object

Country Status (5)

Country Link
JP (1) JPS5026758B1 (enrdf_load_stackoverflow)
DE (1) DE2108588B2 (enrdf_load_stackoverflow)
FR (1) FR2084909A5 (enrdf_load_stackoverflow)
GB (1) GB1336330A (enrdf_load_stackoverflow)
NL (1) NL7003901A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122055A1 (en) * 1983-03-14 1984-10-17 Celanese Corporation Production of fine ferrimagnetic spinels

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51162650U (enrdf_load_stackoverflow) * 1975-06-18 1976-12-24
JPS59111929A (ja) * 1982-12-15 1984-06-28 Masanori Abe フエライト膜作製方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122055A1 (en) * 1983-03-14 1984-10-17 Celanese Corporation Production of fine ferrimagnetic spinels

Also Published As

Publication number Publication date
FR2084909A5 (enrdf_load_stackoverflow) 1971-12-17
DE2108588A1 (de) 1971-09-30
DE2108588B2 (de) 1976-06-16
JPS5026758B1 (enrdf_load_stackoverflow) 1975-09-03
NL7003901A (enrdf_load_stackoverflow) 1971-09-21

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee