NL7304871A - - Google Patents

Info

Publication number: NL7304871A
Authority: NL; Netherlands

Application number

NL7304871A

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.)

1972-04-17

Filing date

1973-04-06

Publication date

1973-10-19

1973-04-06 Application filed filed Critical

1973-10-19 Publication of NL7304871A publication Critical patent/NL7304871A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
- H01F13/003—Methods and devices for magnetising permanent magnets
- 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
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0552—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes with a protective layer
- 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

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Inorganic Chemistry (AREA)
Hard Magnetic Materials (AREA)
Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Powder Metallurgy (AREA)

NL7304871A 1972-04-17 1973-04-06 NL7304871A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00244424A US3844850A (en)	1972-04-17	1972-04-17	Large grain cobalt-samarium intermetallic permanent magnet material and process

Publications (1)

Publication Number	Publication Date
NL7304871A true NL7304871A (en)	1973-10-19

Family

ID=22922710

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7304871A NL7304871A (en)	1972-04-17	1973-04-06

Country Status (10)

Country	Link
US (1)	US3844850A (en)
JP (1)	JPS5751244B2 (en)
BE (1)	BE798261A (en)
CA (1)	CA975997A (en)
DE (1)	DE2318929C2 (en)
ES (1)	ES413772A1 (en)
FR (1)	FR2180895B1 (en)
GB (1)	GB1415772A (en)
IT (1)	IT982661B (en)
NL (1)	NL7304871A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4099995A (en) *	1974-07-31	1978-07-11	Bbc Brown, Boveri & Company, Ltd.	Copper-hardened permanent-magnet alloy
CH601484A5 (en) *	1974-12-18	1978-07-14	Bbc Brown Boveri & Cie
US4116726A (en) *	1974-12-18	1978-09-26	Bbc Brown, Boveri & Company Limited	As-cast permanent magnet Sm-Co-Cu material with iron, produced by annealing and rapid quenching
JPS5379719A (en) *	1976-12-24	1978-07-14	Seiko Instr & Electronics Ltd	Rare earth elements cobalt permanent magnetic
JPH01147214A (en) *	1987-12-04	1989-06-08	Matsushita Electric Ind Co Ltd	Kerosene stove

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3421889A (en) *	1966-01-13	1969-01-14	Us Air Force	Magnetic rare earth-cobalt alloys
NL6608335A (en) *	1966-06-16	1967-12-18
US3540945A (en) *	1967-06-05	1970-11-17	Us Air Force	Permanent magnets
US3516612A (en) *	1968-02-28	1970-06-23	Gen Electric	Sizing of fine particle ferromagnetic materials
US3615914A (en) *	1968-06-21	1971-10-26	Gen Electric	Method of stabilizing permanent magnetic material powders
CH519361A (en) *	1968-11-22	1972-02-29	Raytheon Co	Process for manufacturing a permanent magnet
DE1936508C3 (en) *	1969-07-18	1983-12-08	General Electric Co., New York, N.Y.	Process for stabilizing the coercive force of powder for permanent magnets
US3684591A (en) *	1970-08-24	1972-08-15	Gen Electric	Sintered cobalt-rare earth intermetallic product including samarium and cerium and permanent magnets produced therefrom

1972
- 1972-04-17 US US00244424A patent/US3844850A/en not_active Expired - Lifetime
- 1972-12-20 CA CA159,545A patent/CA975997A/en not_active Expired
1973
- 1973-03-22 GB GB1399773A patent/GB1415772A/en not_active Expired
- 1973-03-30 IT IT22409/73A patent/IT982661B/en active
- 1973-04-06 NL NL7304871A patent/NL7304871A/xx not_active Application Discontinuation
- 1973-04-14 DE DE2318929A patent/DE2318929C2/en not_active Expired
- 1973-04-16 ES ES413772A patent/ES413772A1/en not_active Expired
- 1973-04-16 JP JP48042298A patent/JPS5751244B2/ja not_active Expired
- 1973-04-16 BE BE130049A patent/BE798261A/en unknown
- 1973-04-17 FR FR7313922A patent/FR2180895B1/fr not_active Expired

Also Published As

Publication number	Publication date
FR2180895A1 (en)	1973-11-30
DE2318929A1 (en)	1973-10-31
BE798261A (en)	1973-08-16
IT982661B (en)	1974-10-21
ES413772A1 (en)	1976-01-16
GB1415772A (en)	1975-11-26
CA975997A (en)	1975-10-14
JPS4919395A (en)	1974-02-20
US3844850A (en)	1974-10-29
JPS5751244B2 (en)	1982-11-01
DE2318929C2 (en)	1982-09-02
FR2180895B1 (en)	1978-11-03

Publication	Publication Date	Title
FR2204863B1 (en)	1977-05-27
FR2198101A1 (en)	1974-03-29
FR2180895B1 (en)	1978-11-03
JPS4922646U (en)	1974-02-26
JPS4922741U (en)	1974-02-26
JPS5225775Y2 (en)	1977-06-11
JPS5339086B2 (en)	1978-10-19
JPS5634587B2 (en)	1981-08-11
JPS4974142U (en)	1974-06-27
JPS4896917A (en)	1973-12-11
JPS4941480U (en)	1974-04-11
CH582754A5 (en)	1976-12-15
CH574529B5 (en)	1976-04-15
CH559120A5 (en)	1975-02-28
CH584277A5 (en)	1977-01-31
CH585385A5 (en)	1977-02-28
CH585273A5 (en)	1977-02-28
CH585012A5 (en)	1977-02-28
CH584621A5 (en)	1977-02-15
CH583981A5 (en)	1977-01-14
CH583040A5 (en)	1976-12-31
CH583862A5 (en)	1977-01-14
CH582691A5 (en)	1976-12-15
CH582022A5 (en)	1976-11-30
CH581950A5 (en)	1976-11-30

Legal Events

Date	Code	Title
1980-02-25	BA	A request for search or an international-type search has been filed
1981-11-02	BB	A search report has been drawn up
1982-03-01	BC	A request for examination has been filed
1983-12-01	BV	The patent application has lapsed