FR978215A - Matières possédant des propriétés magnétiques améliorées, et procédé de préparation de ces matières - Google Patents

Matières possédant des propriétés magnétiques améliorées, et procédé de préparation de ces matières

Info

Publication number
FR978215A
FR978215A FR978215DA FR978215A FR 978215 A FR978215 A FR 978215A FR 978215D A FR978215D A FR 978215DA FR 978215 A FR978215 A FR 978215A
Authority
FR
France
Prior art keywords
materials
preparing
magnetic properties
improved magnetic
improved
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
Other languages
English (en)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR978215A publication Critical patent/FR978215A/fr
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
    • C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Magnetic Ceramics (AREA)
FR978215D 1947-12-31 1948-12-24 Matières possédant des propriétés magnétiques améliorées, et procédé de préparation de ces matières Expired FR978215A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US795046A US2579267A (en) 1947-12-31 1947-12-31 Material having improved magnetic property

Publications (1)

Publication Number Publication Date
FR978215A true FR978215A (fr) 1951-04-11

Family

ID=25164508

Family Applications (1)

Application Number Title Priority Date Filing Date
FR978215D Expired FR978215A (fr) 1947-12-31 1948-12-24 Matières possédant des propriétés magnétiques améliorées, et procédé de préparation de ces matières

Country Status (4)

Country Link
US (1) US2579267A (US20110009641A1-20110113-C00185.png)
ES (1) ES186355A1 (US20110009641A1-20110113-C00185.png)
FR (1) FR978215A (US20110009641A1-20110113-C00185.png)
NL (1) NL75788C (US20110009641A1-20110113-C00185.png)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1114010A (fr) * 1954-11-09 1956-04-06 Audax Aimants permanents en oxydes mixtes frittés
FR1122258A (fr) * 1955-02-03 1956-09-04 Centre Nat Rech Scient Matériau ferromagnétique et son procédé de fabrication
US3034986A (en) * 1956-01-03 1962-05-15 Sylvania Electric Prod Ferrite materials
US2962444A (en) * 1956-01-19 1960-11-29 Centre Nat Rech Scient Ferromagnetic ceramic materials
NL101598C (US20110009641A1-20110113-C00185.png) * 1956-05-02
BE562891A (US20110009641A1-20110113-C00185.png) * 1956-12-14
US2923684A (en) * 1957-06-19 1960-02-02 Du Pont Tin modified ferromagnetic chromium oxide, its preparation and use in recording members
US2923683A (en) * 1957-06-19 1960-02-02 Du Pont Antimony-modified chromium oxide ferromagnetic compositions, their preparation and use
US3034988A (en) * 1958-08-22 1962-05-15 Du Pont Modified chromium oxide ferromagnetic compositions, their preparation and use
US4023174A (en) * 1958-03-10 1977-05-10 The United States Of America As Represented By The Secretary Of The Navy Magnetic ceramic absorber
US3042617A (en) * 1958-12-31 1962-07-03 Rca Corp Magnetic bodies and methods of preparation thereof
GB927449A (en) * 1960-08-25 1963-05-29 Nippon Electric Co A method of manufacturing oxide magnetic materials

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1976230A (en) * 1930-12-25 1934-10-09 Mitsubishi Electric Corp Permanent magnet and method of manufacturing same
US1946964A (en) * 1933-07-11 1934-02-13 Boonton Res Corp Magnetic material and process of making the same

Also Published As

Publication number Publication date
NL75788C (US20110009641A1-20110113-C00185.png)
ES186355A1 (es) 1949-03-01
US2579267A (en) 1951-12-18

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