EP0782154A4 - Flat transformer - Google Patents

Flat transformer

Info

Publication number
EP0782154A4
EP0782154A4 EP96917657A EP96917657A EP0782154A4 EP 0782154 A4 EP0782154 A4 EP 0782154A4 EP 96917657 A EP96917657 A EP 96917657A EP 96917657 A EP96917657 A EP 96917657A EP 0782154 A4 EP0782154 A4 EP 0782154A4
Authority
EP
European Patent Office
Prior art keywords
flat transformer
transformer
flat
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.)
Withdrawn
Application number
EP96917657A
Other languages
German (de)
French (fr)
Other versions
EP0782154A1 (en
Inventor
Norihiro Asada
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.)
Nihon Shingo KK
Original Assignee
Nihon Shingo KK
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 Nihon Shingo KK filed Critical Nihon Shingo KK
Publication of EP0782154A1 publication Critical patent/EP0782154A1/en
Publication of EP0782154A4 publication Critical patent/EP0782154A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/0006—Printed inductances
    • H01F17/0013—Printed inductances with stacked layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/10—Single-phase transformers
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H01F2027/2809—Printed windings on stacked layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Multimedia (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Coils Of Transformers For General Uses (AREA)
EP96917657A 1995-06-13 1996-06-12 Flat transformer Withdrawn EP0782154A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5585195 1995-06-13
JP75851/95 1995-06-13
PCT/JP1996/001597 WO1996042095A1 (en) 1995-06-13 1996-06-12 Flat transformer

Publications (2)

Publication Number Publication Date
EP0782154A1 EP0782154A1 (en) 1997-07-02
EP0782154A4 true EP0782154A4 (en) 1999-08-11

Family

ID=13010557

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96917657A Withdrawn EP0782154A4 (en) 1995-06-13 1996-06-12 Flat transformer

Country Status (2)

Country Link
EP (1) EP0782154A4 (en)
WO (1) WO1996042095A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3615024B2 (en) 1997-08-04 2005-01-26 株式会社村田製作所 Coil parts
TW388889B (en) * 1997-12-17 2000-05-01 Koninkl Philips Electronics Nv Planar transformer
DE19805914A1 (en) * 1998-02-13 1999-08-19 Thomson Brandt Gmbh Compact planar transformer for high frequency switched mode power supplies
TW410353B (en) * 1998-02-13 2000-11-01 Thomson Brandt Gmbh Transformer
DE19834615A1 (en) * 1998-07-31 2000-02-03 Thomson Brandt Gmbh Compact planar transformer for high frequency switched mode power supplies
FR2797089B1 (en) 1999-07-29 2002-09-20 Cit Alcatel METHOD FOR OBTAINING A MODULE INCLUDING INDUCTIVE COILING AND CORRESPONDING MODULE
JP3620415B2 (en) * 2000-06-30 2005-02-16 株式会社村田製作所 Isolated converter
DE10217580A1 (en) * 2002-04-19 2003-11-06 Eupec Gmbh & Co Kg Power semiconductor module has element mounted on metal layers formed on a insulating substrate that is mounted on a heat sink base
DE102006022785A1 (en) * 2006-05-16 2007-11-22 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Inductive component and method for producing an inductive component
US7352270B1 (en) 2006-10-27 2008-04-01 Itt Manufacturing Enterprises, Inc. Printed circuit board with magnetic assembly
JP4885306B2 (en) 2007-04-26 2012-02-29 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Planar transducer with substrate
JP5076725B2 (en) * 2007-08-13 2012-11-21 富士電機株式会社 Insulation transformer and power converter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2262857A1 (en) * 1974-03-01 1975-09-26 Siemens Ag Shell core transformer with central core piece - has specified core piece configuration corresponding to shell slots
JPS6175510A (en) * 1984-09-21 1986-04-17 Kangiyou Denki Kiki Kk small transformer
GB2252208A (en) * 1991-01-24 1992-07-29 Burr Brown Corp Hybrid integrated circuit planar transformer
JPH0613251A (en) * 1992-06-29 1994-01-21 Tokin Corp Inductance device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63224209A (en) * 1987-03-12 1988-09-19 Fuji Electric Co Ltd Coil for core
JPH03183106A (en) * 1989-12-12 1991-08-09 Sanken Electric Co Ltd Printed wiring board
JPH04137602A (en) * 1990-09-28 1992-05-12 Toshiba Lighting & Technol Corp Chip coil
JPH05275239A (en) * 1992-03-24 1993-10-22 Murata Mfg Co Ltd Laminated coil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2262857A1 (en) * 1974-03-01 1975-09-26 Siemens Ag Shell core transformer with central core piece - has specified core piece configuration corresponding to shell slots
JPS6175510A (en) * 1984-09-21 1986-04-17 Kangiyou Denki Kiki Kk small transformer
GB2252208A (en) * 1991-01-24 1992-07-29 Burr Brown Corp Hybrid integrated circuit planar transformer
JPH0613251A (en) * 1992-06-29 1994-01-21 Tokin Corp Inductance device

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 010, no. 244 (E - 430) 22 August 1986 (1986-08-22) *
PATENT ABSTRACTS OF JAPAN vol. 018, no. 210 (E - 1537) 14 April 1994 (1994-04-14) *
See also references of WO9642095A1 *

Also Published As

Publication number Publication date
WO1996042095A1 (en) 1996-12-27
EP0782154A1 (en) 1997-07-02

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

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