FR2026578A6 - - Google Patents

Info

Publication number: FR2026578A6
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

FR6944049A

Other languages

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.)

Stamicarbon BV

Original Assignee

Stamicarbon BV

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.)

1968-01-06

Filing date

1969-12-19

Publication date

1970-09-18

1968-01-06 Priority claimed from NL6800237A external-priority patent/NL6800237A/xx

1968-04-09 Priority claimed from NL6804971A external-priority patent/NL6804971A/xx

1968-04-09 Priority claimed from NL6804970A external-priority patent/NL6804970A/xx

1968-11-21 Priority claimed from NL6816682A external-priority patent/NL6816682A/en

1968-12-19 Priority claimed from NL6818247A external-priority patent/NL6818247A/en

1969-12-19 Application filed by Stamicarbon BV filed Critical Stamicarbon BV

1970-09-18 Application granted granted Critical

1970-09-18 Publication of FR2026578A6 publication Critical patent/FR2026578A6/fr

Status 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/8416—Processes or apparatus specially adapted for manufacturing record carriers coating a support with a magnetic layer by precipitation
- 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
- G11B5/70605—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 metals or alloys
- G11B5/7061—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 metals or alloys with a non-magnetic core
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
- H01F1/063—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder with a non magnetic core
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
- H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
- H01F1/111—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles with a non-magnetic core

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Metallurgy (AREA)
Hard Magnetic Materials (AREA)
Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Compounds Of Iron (AREA)
Soft Magnetic Materials (AREA)
Oxygen, Ozone, And Oxides In General (AREA)
Silicon Compounds (AREA)

FR6944049A 1968-01-06 1969-12-19 Expired FR2026578A6 (en)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
NL6800237A NL6800237A (en)	1968-01-06	1968-01-06
NL6804971A NL6804971A (en)	1968-04-09	1968-04-09
NL6804970A NL6804970A (en)	1968-04-09	1968-04-09
NL6816682A NL6816682A (en)	1968-11-21	1968-11-21	Permanently magnetisable substance
NL6818247A NL6818247A (en)	1968-12-19	1968-12-19	Ferromagnetic material prepn.

Publications (1)

Publication Number	Publication Date
FR2026578A6 true FR2026578A6 (en)	1970-09-18

Family

ID=27532474

Family Applications (3)

Application Number	Title	Priority Date
FR6910908A Withdrawn FR2005878A1 (en)	1968-01-06	1969-04-09
FR6940166A Expired FR2030660A5 (en)	1968-01-06	1969-11-21
FR6944049A Expired FR2026578A6 (en)	1968-01-06	1969-12-19

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
FR6910908A Withdrawn FR2005878A1 (en)	1968-01-06	1969-04-09
FR6940166A Expired FR2030660A5 (en)	1968-01-06	1969-11-21

Country Status (10)

Country	Link
JP (2)	JPS4912959B1 (en)
AT (2)	AT295175B (en)
BE (3)	BE731186A (en)
CH (2)	CH546712A (en)
DE (3)	DE1917644A1 (en)
DK (1)	DK134932B (en)
ES (2)	ES373717A1 (en)
FR (3)	FR2005878A1 (en)
GB (3)	GB1261399A (en)
SE (2)	SE352767B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1408933A (en) *	1971-09-21	1975-10-08	Union Carbide Corp	Thermosetting arylimides
NL7708959A (en) *	1977-08-15	1979-02-19	Philips Nv	PROCEDURE FOR FORMING A MAGNETO-OPTIC POLYCRYSTALLINE COBALT FERRITE LAYER AND COBALT FERRITE LAYER MANUFACTURED BY THE PROCESS.
JPS59111929A (en) *	1982-12-15	1984-06-28	Masanori Abe	Preparation of ferrite film
JPS6310163A (en) *	1986-06-30	1988-01-16	Nippon Paint Co Ltd	Toner coated with magnetic material

1969
- 1969-04-05 DE DE19691917644 patent/DE1917644A1/en active Pending
- 1969-04-08 BE BE731186D patent/BE731186A/xx unknown
- 1969-04-09 GB GB08245/69A patent/GB1261399A/en not_active Expired
- 1969-04-09 FR FR6910908A patent/FR2005878A1/fr not_active Withdrawn
- 1969-04-09 SE SE05023/69A patent/SE352767B/xx unknown
- 1969-11-18 CH CH1712369A patent/CH546712A/en not_active IP Right Cessation
- 1969-11-19 GB GB56715/69A patent/GB1291064A/en not_active Expired
- 1969-11-19 AT AT1081369A patent/AT295175B/en active
- 1969-11-20 ES ES373717A patent/ES373717A1/en not_active Expired
- 1969-11-21 JP JP44093548A patent/JPS4912959B1/ja active Pending
- 1969-11-21 SE SE16062/69A patent/SE352978B/xx unknown
- 1969-11-21 FR FR6940166A patent/FR2030660A5/fr not_active Expired
- 1969-11-21 DK DK619869AA patent/DK134932B/en unknown
- 1969-11-21 DE DE1958606A patent/DE1958606C3/en not_active Expired
- 1969-11-21 BE BE742017D patent/BE742017A/xx unknown
- 1969-12-17 GB GB1295440D patent/GB1295440A/en not_active Expired
- 1969-12-18 CH CH1886869A patent/CH558980A/en unknown
- 1969-12-19 DE DE19691963828 patent/DE1963828A1/en active Pending
- 1969-12-19 BE BE743394D patent/BE743394A/xx unknown
- 1969-12-19 FR FR6944049A patent/FR2026578A6/fr not_active Expired
- 1969-12-19 AT AT1186469A patent/AT297660B/en not_active IP Right Cessation
- 1969-12-19 ES ES374722A patent/ES374722A2/en not_active Expired
- 1969-12-19 JP JP44102388A patent/JPS526958B1/ja active Pending

Also Published As

Publication number	Publication date
GB1291064A (en)	1972-09-27
GB1295440A (en)	1972-11-08
DE1958606A1 (en)	1970-06-18
AT295175B (en)	1971-12-27
SE352767B (en)	1973-01-08
DK134932C (en)	1977-07-04
BE742017A (en)	1970-05-21
DK134932B (en)	1977-02-14
ES374722A2 (en)	1972-04-01
GB1261399A (en)	1972-01-26
JPS4912959B1 (en)	1974-03-28
CH558980A (en)	1975-02-14
JPS526958B1 (en)	1977-02-25
AT297660B (en)	1972-04-10
DE1917644A1 (en)	1970-09-10
FR2030660A5 (en)	1970-11-13
DE1958606C3 (en)	1979-04-19
FR2005878A1 (en)	1969-12-19
CH546712A (en)	1974-03-15
BE731186A (en)	1969-10-08
SE352978B (en)	1973-01-15
DE1963828A1 (en)	1970-10-08
ES373717A1 (en)	1972-04-16
DE1958606B2 (en)	1978-07-20
BE743394A (en)	1970-06-19

Publication	Publication Date	Title
AU5506869A (en)	1970-11-26
AU5184069A (en)	1970-07-17
AU6168869A (en)	1971-04-08
AU6171569A (en)	1971-04-08
AU4811568A (en)	1974-08-01
AU4744468A (en)	1970-06-18
BE711484A (en)	1968-08-29
BE709479A (en)	1968-07-17
BE727606A (en)	1969-07-29
BE728639A (en)	1969-08-01
BE728334A (en)	1969-07-16
BE728082A (en)	1969-08-07
BE727638A (en)	1969-07-01
BE727329A (en)	1969-07-01
BE727278A (en)	1969-07-01
BE727070A (en)	1969-07-17
BE742017A (en)	1970-05-21
BE726497A (en)	1969-06-16
BE726175A (en)	1969-06-27
BE724636A (en)	1969-05-02
BE724504A (en)	1969-05-27
BE722394A (en)	1969-04-01
BE717933A (en)	1969-01-13
BE715558A (en)	1968-10-16
BE726539A (en)	1969-06-16