FR2616440B1 - Compose pulverulent magnetique pour une encre - Google Patents

Compose pulverulent magnetique pour une encre

Info

Publication number
FR2616440B1
FR2616440B1 FR8708197A FR8708197A FR2616440B1 FR 2616440 B1 FR2616440 B1 FR 2616440B1 FR 8708197 A FR8708197 A FR 8708197A FR 8708197 A FR8708197 A FR 8708197A FR 2616440 B1 FR2616440 B1 FR 2616440B1
Authority
FR
France
Prior art keywords
ink
magnetic powder
powder compound
compound
magnetic
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 - Fee Related
Application number
FR8708197A
Other languages
English (en)
Other versions
FR2616440A1 (fr
Inventor
Jean Claude Moisand
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.)
Cga Hbs
Original Assignee
Cga Hbs
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 Cga Hbs filed Critical Cga Hbs
Priority to FR8708197A priority Critical patent/FR2616440B1/fr
Publication of FR2616440A1 publication Critical patent/FR2616440A1/fr
Application granted granted Critical
Publication of FR2616440B1 publication Critical patent/FR2616440B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/0018—Mixed oxides or hydroxides
    • C01G49/0036—Mixed oxides or hydroxides containing one alkaline earth metal, magnesium or lead
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
  • Paints Or Removers (AREA)
FR8708197A 1987-06-12 1987-06-12 Compose pulverulent magnetique pour une encre Expired - Fee Related FR2616440B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8708197A FR2616440B1 (fr) 1987-06-12 1987-06-12 Compose pulverulent magnetique pour une encre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8708197A FR2616440B1 (fr) 1987-06-12 1987-06-12 Compose pulverulent magnetique pour une encre

Publications (2)

Publication Number Publication Date
FR2616440A1 FR2616440A1 (fr) 1988-12-16
FR2616440B1 true FR2616440B1 (fr) 1993-01-08

Family

ID=9351972

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8708197A Expired - Fee Related FR2616440B1 (fr) 1987-06-12 1987-06-12 Compose pulverulent magnetique pour une encre

Country Status (1)

Country Link
FR (1) FR2616440B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50120500A (fr) * 1974-03-07 1975-09-20
JPS5972104A (ja) * 1982-10-19 1984-04-24 Toshiba Corp 磁性体粉末
JPS60109021A (ja) * 1983-11-17 1985-06-14 Hitachi Maxell Ltd 磁気記録媒体
JPS6140823A (ja) * 1984-07-31 1986-02-27 Dowa Mining Co Ltd マグネトプランバイト型フエライトの水熱合成法
JPS621123A (ja) * 1985-06-26 1987-01-07 Sony Corp 磁気転写方法

Also Published As

Publication number Publication date
FR2616440A1 (fr) 1988-12-16

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Legal Events

Date Code Title Description
ST Notification of lapse