FR2165011A5 - - Google Patents

Info

Publication number
FR2165011A5
FR2165011A5 FR7144897A FR7144897A FR2165011A5 FR 2165011 A5 FR2165011 A5 FR 2165011A5 FR 7144897 A FR7144897 A FR 7144897A FR 7144897 A FR7144897 A FR 7144897A FR 2165011 A5 FR2165011 A5 FR 2165011A5
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
FR7144897A
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7144897A priority Critical patent/FR2165011A5/fr
Priority to JP47123060A priority patent/JPS5742585B2/ja
Priority to GB5714672A priority patent/GB1414771A/en
Priority to DE19722261183 priority patent/DE2261183C2/en
Application granted granted Critical
Publication of FR2165011A5 publication Critical patent/FR2165011A5/fr
Priority to US05/592,657 priority patent/US4059664A/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
    • C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
FR7144897A 1971-12-14 1971-12-14 Expired FR2165011A5 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7144897A FR2165011A5 (en) 1971-12-14 1971-12-14
JP47123060A JPS5742585B2 (en) 1971-12-14 1972-12-09
GB5714672A GB1414771A (en) 1971-12-14 1972-12-11 Ferrimagnetic material for recording read out and erase heads utilised in magnetic layer devices and manufacturing process of this material
DE19722261183 DE2261183C2 (en) 1971-12-14 1972-12-14 Process for the production of a molded part from a polycrystalline, ferrimagnetic material
US05/592,657 US4059664A (en) 1971-12-14 1975-07-02 Method of manufacturing ferrimagnetic material for recording, read out and erase heads utilized in magnetic layer devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7144897A FR2165011A5 (en) 1971-12-14 1971-12-14

Publications (1)

Publication Number Publication Date
FR2165011A5 true FR2165011A5 (en) 1973-08-03

Family

ID=9087451

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7144897A Expired FR2165011A5 (en) 1971-12-14 1971-12-14

Country Status (4)

Country Link
JP (1) JPS5742585B2 (en)
DE (1) DE2261183C2 (en)
FR (1) FR2165011A5 (en)
GB (1) GB1414771A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58144839A (en) * 1982-02-13 1983-08-29 Tdk Corp Magnetic carrier particles
US4541973A (en) * 1983-04-21 1985-09-17 Celanese Corporation Production of ferrimagnetic spinel fibers
US4473542A (en) * 1983-05-23 1984-09-25 Celanese Corporation Production of microcrystalline ferrimagnetic spinels

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1367157A (en) * 1962-08-16 1964-07-17 Philips Nv Polycrystalline ferrites and manufacturing processes
FR1390192A (en) * 1962-07-25 1965-02-26 Philips Nv Polycrystalline nickel ferrite body, its manufacturing process and tape recorder head formed by such body
US3557266A (en) * 1967-02-09 1971-01-19 Matsushita Electric Ind Co Ltd Method of eliminating the porosity and controlling the grain size of a ferrite body by a two stage hot pressing treatment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5133273A (en) * 1974-09-12 1976-03-22 Takeyoshi Myahara Shindobutsutai no shijisochi
DE2534257C3 (en) * 1975-07-31 1978-07-06 Bayer Ag, 5090 Leverkusen Method for determining the inorganic carbon content of aqueous liquids

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1390192A (en) * 1962-07-25 1965-02-26 Philips Nv Polycrystalline nickel ferrite body, its manufacturing process and tape recorder head formed by such body
FR1367157A (en) * 1962-08-16 1964-07-17 Philips Nv Polycrystalline ferrites and manufacturing processes
US3557266A (en) * 1967-02-09 1971-01-19 Matsushita Electric Ind Co Ltd Method of eliminating the porosity and controlling the grain size of a ferrite body by a two stage hot pressing treatment

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON COMMUNICATION AND ELECTRONICS, vol.83, no.11, novembre 1964 *
PHILIPS RESEARCH REPORTS, vol.19, no.1, 1964 *

Also Published As

Publication number Publication date
JPS4866609A (en) 1973-09-12
GB1414771A (en) 1975-11-19
DE2261183A1 (en) 1973-06-20
DE2261183C2 (en) 1984-03-15
JPS5742585B2 (en) 1982-09-09

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Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse