EP0558178A3 - Permeable magnetic composition and magnetic component - Google Patents

Permeable magnetic composition and magnetic component Download PDF

Info

Publication number: EP0558178A3
Authority: EP; European Patent Office
Prior art keywords: magnetic; permeable; composition; component; magnetic component
Prior art date: 1992-02-28
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.): Granted

Application number

EP19930300361

Other versions

EP0558178A2 (en

EP0558178B1 (en

Inventor

Masahito Tada

Keiichiro Suzuki

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.)

Kureha Corp

Original Assignee

Kureha Corp

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.)

1992-02-28

Filing date

1993-01-20

Publication date

1993-12-08

1993-01-20 Application filed by Kureha Corp filed Critical Kureha Corp

1993-09-01 Publication of EP0558178A2 publication Critical patent/EP0558178A2/en

1993-12-08 Publication of EP0558178A3 publication Critical patent/EP0558178A3/en

1997-03-26 Application granted granted Critical

1997-03-26 Publication of EP0558178B1 publication Critical patent/EP0558178B1/en

2013-01-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- 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
- H01F1/12—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 soft-magnetic materials
- H01F1/34—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 soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/36—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 soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
- H01F1/37—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 soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles in a bonding agent

Landscapes

Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Soft Magnetic Materials (AREA)

EP19930300361 1992-02-28 1993-01-20 Magnetically permeable composition and soft magnetic component Expired - Lifetime EP0558178B1 (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP78679/92		1992-02-28
JP7867992		1992-02-28
JP23426792A JP3283918B2 (en)	1992-02-28	1992-08-10	High magnetic permeability composition
JP234267/92		1992-08-10

Publications (3)

Publication Number	Publication Date
EP0558178A2 EP0558178A2 (en)	1993-09-01
EP0558178A3 true EP0558178A3 (en)	1993-12-08
EP0558178B1 EP0558178B1 (en)	1997-03-26

Family

ID=26419730

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19930300361 Expired - Lifetime EP0558178B1 (en)	1992-02-28	1993-01-20	Magnetically permeable composition and soft magnetic component

Country Status (3)

Country	Link
EP (1)	EP0558178B1 (en)
JP (1)	JP3283918B2 (en)
DE (1)	DE69309135T2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19908374B4 (en) *	1999-02-26	2004-11-18	Magnequench Gmbh	Particle composite material made of a thermoplastic plastic matrix with embedded soft magnetic material, method for producing such a composite body, and its use
DE10000523A1 (en) *	2000-01-08	2001-07-26	Inst Maschinen Antriebe Und El	Ferrite compound material with high electromagnetic absorption in the frequency range from 20-40 gigahertz for applying to cabling is produced in spinel or other crystal forms for example as hexagonal or garnet
EP1502930A1 (en) *	2003-07-26	2005-02-02	ABC Taiwan Electronics Corp.	Epoxy resin of electromagnetic interference suppression and manufacturing method thereof and an inductor applied in the electromagnetic interference suppression
DE10356094A1 (en) *	2003-12-01	2005-07-14	Siemens Audiologische Technik Gmbh	Induction coil with cross sensitivity for hearing aids
CN100424505C (en) *	2005-12-21	2008-10-08	宋京伟	Vortex detecting method of plastic product crack
KR100803297B1 (en) *	2006-08-09	2008-02-14	현대자동차주식회사	Gripping Bracket for Crash Pad
CN109559865B (en) *	2018-12-04	2020-10-30	安徽迪维乐普非晶器材有限公司	Preparation method of novel amorphous magnetic core binder
CN113972046B (en) *	2021-10-26	2024-07-16	安徽华林磁电科技有限公司	Magnetic core for manufacturing vehicle-mounted antenna of automobile and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4268430A (en) *	1979-01-31	1981-05-19	Kanegafuchi Kagaku Kogyo Kabushiki Kaisha	Ferrite composition having higher initial permeability and process for preparing molding product therefrom

1992
- 1992-08-10 JP JP23426792A patent/JP3283918B2/en not_active Expired - Fee Related
1993
- 1993-01-20 EP EP19930300361 patent/EP0558178B1/en not_active Expired - Lifetime
- 1993-01-20 DE DE1993609135 patent/DE69309135T2/en not_active Expired - Fee Related

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4268430A (en) *	1979-01-31	1981-05-19	Kanegafuchi Kagaku Kogyo Kabushiki Kaisha	Ferrite composition having higher initial permeability and process for preparing molding product therefrom

Also Published As

Publication number	Publication date
EP0558178A2 (en)	1993-09-01
JPH0669023A (en)	1994-03-11
EP0558178B1 (en)	1997-03-26
JP3283918B2 (en)	2002-05-20
DE69309135D1 (en)	1997-04-30
DE69309135T2 (en)	1997-07-31

Publication	Publication Date	Title
GB2271217B (en)	1995-11-29	Magnetic holding structure
EP0448300A3 (en)	1991-12-27	Method and composition for coiontophoresis
ZA9210057B (en)	1994-06-28	Adhesive composition and method
GB9204769D0 (en)	1992-04-15	Workcentre and supports
GB9121289D0 (en)	1991-11-20	Composition and use
AP9200426A0 (en)	1992-10-31	Substance or composition and uses thereof
EP0734398A4 (en)	1997-04-16	Compounds and methods
GB9204770D0 (en)	1992-04-15	Workcentre and supports
EP0558178A3 (en)	1993-12-08	Permeable magnetic composition and magnetic component
ZA93582B (en)	1994-07-27	Substituted hexahyhdroazephinones and tetrahydrobenzazepinones
ZA919577B (en)	1993-09-06	Composition and method for preventing fluorosis
GB9103631D0 (en)	1991-04-10	Composition and use
GB9224295D0 (en)	1993-01-06	Method and composition
HU9402155D0 (en)	1994-09-28	Azin-derivatives and insekticidal composition containing them
GB9220143D0 (en)	1992-11-04	Compounds and compositions
EP0456138A3 (en)	1992-03-25	Peptide-amidase and its application
GB9016027D0 (en)	1990-09-05	Composition and use
GB9220088D0 (en)	1992-11-04	Compounds and compositions
GB9216776D0 (en)	1992-09-23	Composition and use
GB9026896D0 (en)	1991-01-30	Method and composition
EP0505941A3 (en)	1993-04-14	Peptifluorin and neopeptifluorin
GB9306456D0 (en)	1993-05-19	Composition and use
GB9324725D0 (en)	1994-01-19	Ficyclic compounds and preparation thereof
GB9211591D0 (en)	1992-07-15	Method and composition
GB9111824D0 (en)	1991-07-24	Method and composition

Legal Events

Date	Code	Title	Description
1993-07-16	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1993-09-01	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB NL
1993-10-20	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1993-12-08	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB NL
1994-08-03	17P	Request for examination filed	Effective date: 19940606
1996-03-29	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1996-05-22	17Q	First examination report despatched	Effective date: 19960403
1996-08-08	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1996-09-11	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1997-02-07	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1997-03-26	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB NL
1997-03-26	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 19970326
1997-04-30	REF	Corresponds to:	Ref document number: 69309135 Country of ref document: DE Date of ref document: 19970430
1997-06-20	ET	Fr: translation filed
1997-09-01	NLV1	Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
1998-01-30	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1998-01-30	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1998-03-18	26N	No opposition filed
2001-01-18	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 20010118 Year of fee payment: 9
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