DE69800001D1 - Stapelbarer und preisreduzierter Transformator mit eingebetteten EMI-Filtern - Google Patents

Stapelbarer und preisreduzierter Transformator mit eingebetteten EMI-Filtern

Info

Publication number
DE69800001D1
DE69800001D1 DE69800001T DE69800001T DE69800001D1 DE 69800001 D1 DE69800001 D1 DE 69800001D1 DE 69800001 T DE69800001 T DE 69800001T DE 69800001 T DE69800001 T DE 69800001T DE 69800001 D1 DE69800001 D1 DE 69800001D1
Authority
DE
Germany
Prior art keywords
stackable
transformer
price
reduced
emi filters
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
DE69800001T
Other languages
English (en)
Other versions
DE69800001T2 (de
Inventor
David Wilfred Johnson
John Thomson
David A Norte
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies Inc
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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of DE69800001D1 publication Critical patent/DE69800001D1/de
Application granted granted Critical
Publication of DE69800001T2 publication Critical patent/DE69800001T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H01F27/292—Surface mounted devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/043—Fixed inductances of the signal type  with magnetic core with two, usually identical or nearly identical parts enclosing completely the coil (pot cores)
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
    • H05K1/023—Reduction of cross-talk, noise or electromagnetic interference using auxiliary mounted passive components or auxiliary substances
    • H05K1/0233—Filters, inductors or a magnetic substance
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/1003—Non-printed inductor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Coils Of Transformers For General Uses (AREA)
DE69800001T 1997-03-12 1998-03-03 Stapelbarer und preisreduzierter Transformator mit eingebetteten EMI-Filtern Expired - Fee Related DE69800001T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US820325 1997-03-12
US08/820,325 US5861790A (en) 1997-03-12 1997-03-12 Stackable and cost-reduced transformer with embedded EMI filters

Publications (2)

Publication Number Publication Date
DE69800001D1 true DE69800001D1 (de) 1999-06-17
DE69800001T2 DE69800001T2 (de) 2008-10-09

Family

ID=25230490

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69800001T Expired - Fee Related DE69800001T2 (de) 1997-03-12 1998-03-03 Stapelbarer und preisreduzierter Transformator mit eingebetteten EMI-Filtern

Country Status (4)

Country Link
US (1) US5861790A (de)
EP (1) EP0865048B1 (de)
JP (1) JPH10303039A (de)
DE (1) DE69800001T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5991423A (en) * 1998-09-21 1999-11-23 Lucent Technologies Inc. Planar magnetic continuous-tone transducer
US6262650B1 (en) 2000-03-29 2001-07-17 Avaya Technology Corporation Coil former
JP2003234214A (ja) * 2002-02-08 2003-08-22 Toko Inc 電子回路モジュール
US6914506B2 (en) * 2003-01-21 2005-07-05 Coilcraft, Incorporated Inductive component and method of manufacturing same
CN2829036Y (zh) * 2005-07-26 2006-10-18 东莞创慈磁性元件有限公司 隔离型双通道变压器
CN102592802B (zh) * 2011-01-05 2014-09-17 台达电子工业股份有限公司 可维持高度的变压器
TW201318011A (zh) * 2011-10-17 2013-05-01 Power Mate Technology Co Ltd 變壓器承座
CN108282957B (zh) * 2018-01-30 2019-10-15 维沃移动通信有限公司 一种印制电路板、印制电路板的制作方法及移动终端
US11039529B2 (en) 2018-02-14 2021-06-15 Ricoh Company, Ltd. Cover plates that attenuate electrostatic discharge at printheads

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117588A (en) * 1977-01-24 1978-10-03 The United States Of America As Represented By The Secretary Of The Navy Method of manufacturing three dimensional integrated circuits
JPS6041312A (ja) * 1983-08-16 1985-03-05 Tdk Corp 回路素子
JP2524604B2 (ja) * 1987-10-06 1996-08-14 富士電気化学株式会社 平面実装型巻線部品
JPH06176937A (ja) * 1992-12-04 1994-06-24 Kijima:Kk 小形巻線部品
JPH08306559A (ja) * 1995-05-01 1996-11-22 Taiyo Yuden Co Ltd コイル部品

Also Published As

Publication number Publication date
EP0865048B1 (de) 1999-05-12
EP0865048A1 (de) 1998-09-16
DE69800001T2 (de) 2008-10-09
US5861790A (en) 1999-01-19
JPH10303039A (ja) 1998-11-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee