FR1311452A - Ferrite particles and their preparation process - Google Patents

Ferrite particles and their preparation process

Info

Publication number
FR1311452A
FR1311452A FR879653A FR879653A FR1311452A FR 1311452 A FR1311452 A FR 1311452A FR 879653 A FR879653 A FR 879653A FR 879653 A FR879653 A FR 879653A FR 1311452 A FR1311452 A FR 1311452A
Authority
FR
France
Prior art keywords
preparation process
ferrite particles
ferrite
particles
preparation
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
FR879653A
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.)
FRANKLIN INSTITUTE OF STATE OF PENNSYLVANIA FOR PROMOTION OF MECHANICARTS
Franklin Institute
Original Assignee
FRANKLIN INSTITUTE OF STATE OF PENNSYLVANIA FOR PROMOTION OF MECHANICARTS
Franklin Institute
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 FRANKLIN INSTITUTE OF STATE OF PENNSYLVANIA FOR PROMOTION OF MECHANICARTS, Franklin Institute filed Critical FRANKLIN INSTITUTE OF STATE OF PENNSYLVANIA FOR PROMOTION OF MECHANICARTS
Priority to FR879653A priority Critical patent/FR1311452A/en
Application granted granted Critical
Publication of FR1311452A publication Critical patent/FR1311452A/en
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
FR879653A 1961-11-21 1961-11-21 Ferrite particles and their preparation process Expired FR1311452A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR879653A FR1311452A (en) 1961-11-21 1961-11-21 Ferrite particles and their preparation process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR879653A FR1311452A (en) 1961-11-21 1961-11-21 Ferrite particles and their preparation process

Publications (1)

Publication Number Publication Date
FR1311452A true FR1311452A (en) 1962-12-07

Family

ID=8767182

Family Applications (1)

Application Number Title Priority Date Filing Date
FR879653A Expired FR1311452A (en) 1961-11-21 1961-11-21 Ferrite particles and their preparation process

Country Status (1)

Country Link
FR (1) FR1311452A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587990A1 (en) * 1985-09-30 1987-04-03 Centre Nat Rech Scient PARTICULATE MAGNETIC OXIDE COMPOSITIONS WITH LACUNAR SPINEL TYPE STRUCTURE, THEIR PREPARATION AND THEIR APPLICATION

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587990A1 (en) * 1985-09-30 1987-04-03 Centre Nat Rech Scient PARTICULATE MAGNETIC OXIDE COMPOSITIONS WITH LACUNAR SPINEL TYPE STRUCTURE, THEIR PREPARATION AND THEIR APPLICATION
WO1987002173A1 (en) * 1985-09-30 1987-04-09 Centre National De La Recherche Scientifique (Cnrs Compositions of particulate magnetic oxides with a structure of the lacunar spinel type, preparation and application thereof
US4808327A (en) * 1985-09-30 1989-02-28 Centre National De La Recherche Scientifique (Cnrs) Compositions of particulate magnetic oxides with a defect spinel structure, preparation thereof and application thereof

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