DE69516664T2 - Gesinterter formkörper, transformer-kern und induktor aus li(ni)zn-ferrite material sowie anwendungen davon - Google Patents

Gesinterter formkörper, transformer-kern und induktor aus li(ni)zn-ferrite material sowie anwendungen davon

Info

Publication number
DE69516664T2
DE69516664T2 DE69516664T DE69516664T DE69516664T2 DE 69516664 T2 DE69516664 T2 DE 69516664T2 DE 69516664 T DE69516664 T DE 69516664T DE 69516664 T DE69516664 T DE 69516664T DE 69516664 T2 DE69516664 T2 DE 69516664T2
Authority
DE
Germany
Prior art keywords
sindered
applications
molded body
transformer core
ferrite material
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
DE69516664T
Other languages
English (en)
Other versions
DE69516664D1 (de
Inventor
Der Zaag Jan Van
Der Valk Johan Van
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69516664D1 publication Critical patent/DE69516664D1/de
Publication of DE69516664T2 publication Critical patent/DE69516664T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2691—Other ferrites containing alkaline metals
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2658—Other ferrites containing manganese or zinc, e.g. Mn-Zn ferrites
    • 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
    • H01F1/342—Oxides
    • H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/255—Magnetic cores made from particles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
    • H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
    • H01J65/048—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using an excitation coil

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Plasma & Fusion (AREA)
  • Dispersion Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Ceramics (AREA)
DE69516664T 1994-09-14 1995-09-05 Gesinterter formkörper, transformer-kern und induktor aus li(ni)zn-ferrite material sowie anwendungen davon Expired - Fee Related DE69516664T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94202644 1994-09-14
PCT/IB1995/000732 WO1996008449A1 (en) 1994-09-14 1995-09-05 SINTERED MOULDING, TRANSFORMER CORE AND INDUCTOR OF Li(Ni)Zn FERRITE MATERIAL, AS WELL AS APPLICATIONS THEREOF

Publications (2)

Publication Number Publication Date
DE69516664D1 DE69516664D1 (de) 2000-06-08
DE69516664T2 true DE69516664T2 (de) 2001-01-11

Family

ID=8217192

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69516664T Expired - Fee Related DE69516664T2 (de) 1994-09-14 1995-09-05 Gesinterter formkörper, transformer-kern und induktor aus li(ni)zn-ferrite material sowie anwendungen davon

Country Status (6)

Country Link
US (1) US6002211A (de)
EP (1) EP0731778B1 (de)
JP (1) JPH09505269A (de)
DE (1) DE69516664T2 (de)
HU (1) HU217720B (de)
WO (1) WO1996008449A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6501362B1 (en) 2000-11-28 2002-12-31 Umec Usa, Inc. Ferrite core
US20030038796A1 (en) 2001-02-15 2003-02-27 Van Beek Petrus J.L. Segmentation metadata for audio-visual content
US7138896B2 (en) * 2004-06-29 2006-11-21 International Business Machines Corporation Ferrite core, and flexible assembly of ferrite cores for suppressing electromagnetic interference
JP4761187B2 (ja) * 2005-03-31 2011-08-31 日立金属株式会社 酸化物磁性材料
JP2006344683A (ja) * 2005-06-07 2006-12-21 Neomax Co Ltd ドラムコア及びインダクタ
US7892446B2 (en) 2005-09-13 2011-02-22 Hitachi Metals, Ltd. Ferrite material
JP5549063B2 (ja) * 2007-08-31 2014-07-16 日立金属株式会社 フェライト材料及びフェライト材料の製造方法
CN112239358B (zh) * 2020-10-30 2022-11-29 成都子之源绿能科技有限公司 微波LiZnTiMn旋磁铁氧体材料及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4238342A (en) * 1979-07-12 1980-12-09 Ampex Corporation Process of making shaped article of lithium ferrite containing phosphorus pentoxide with vanadium pentoxide or bismuth trioxide sintering agents
US4372865A (en) * 1980-09-26 1983-02-08 Spang Industries, Inc. Carbonate/hydroxide coprecipitation process
DE3468407D1 (en) * 1983-09-12 1988-02-11 Philips Nv Magnet core of li-zn-mn ferrite
NL8500738A (nl) * 1985-03-14 1986-10-01 Philips Nv Elektrodeloze lagedrukontladingslamp.
NL8503008A (nl) * 1985-11-04 1987-06-01 Philips Nv Gelijkstroom-wisselstroomomzetter voor het ontsteken en voeden van een ontladingslamp.
US5206620A (en) * 1987-07-01 1993-04-27 Tdk Corporation Sintered ferrite body, chip inductor, and composite LC part
CA2040741C (en) * 1990-04-24 2000-02-08 Kiyonori Suzuki Fe based soft magnetic alloy, magnetic materials containing same, and magnetic apparatus using the magnetic materials
CN1041575C (zh) * 1993-05-11 1999-01-06 皇家菲利浦电子有限公司 NiZn铁氧体材料的变压器或电感器烧结磁芯
US6057649A (en) * 1993-05-11 2000-05-02 U.S. Philips Corporation Illumination unit, electrodeless low-pressure discharge lamp, and coil suitable for use therein

Also Published As

Publication number Publication date
WO1996008449A1 (en) 1996-03-21
HUT74333A (en) 1996-12-30
US6002211A (en) 1999-12-14
HU217720B (hu) 2000-04-28
EP0731778B1 (de) 2000-05-03
EP0731778A1 (de) 1996-09-18
JPH09505269A (ja) 1997-05-27
DE69516664D1 (de) 2000-06-08
HU9601273D0 (en) 1996-07-29

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee