FR2616440B1 - Compose pulverulent magnetique pour une encre - Google Patents

Compose pulverulent magnetique pour une encre

Info

Publication number: FR2616440B1
Authority: FR; France
Prior art keywords: ink; magnetic powder; powder compound; compound; magnetic
Prior art date: 1987-06-12
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.)

1987-06-12

Filing date

1987-06-12

Publication date

1993-01-08

1987-06-12 Application filed by Cga Hbs filed Critical Cga Hbs

1987-06-12 Priority to FR8708197A priority Critical patent/FR2616440B1/fr

1988-12-16 Publication of FR2616440A1 publication Critical patent/FR2616440A1/fr

1993-01-08 Application granted granted Critical

1993-01-08 Publication of FR2616440B1 publication Critical patent/FR2616440B1/fr

2007-06-12 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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

1987
- 1987-06-12 FR FR8708197A patent/FR2616440B1/fr not_active Expired - Fee Related

Also Published As

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

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Legal Events

Date	Code	Title	Description
1996-04-19	ST	Notification of lapse