DE69610524T2 - Oberflächenmontiertes elektronisches Bauelement mit gerilltem Kern - Google Patents

Oberflächenmontiertes elektronisches Bauelement mit gerilltem Kern

Info

Publication number
DE69610524T2
DE69610524T2 DE69610524T DE69610524T DE69610524T2 DE 69610524 T2 DE69610524 T2 DE 69610524T2 DE 69610524 T DE69610524 T DE 69610524T DE 69610524 T DE69610524 T DE 69610524T DE 69610524 T2 DE69610524 T2 DE 69610524T2
Authority
DE
Germany
Prior art keywords
electronic component
surface mounted
mounted electronic
grooved core
grooved
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
DE69610524T
Other languages
German (de)
English (en)
Other versions
DE69610524D1 (de
Inventor
Anthony M Pavio
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.)
NXP USA Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE69610524D1 publication Critical patent/DE69610524D1/de
Publication of DE69610524T2 publication Critical patent/DE69610524T2/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
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/06—Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F17/062—Toroidal core with turns of coil around it
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
    • 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
    • H01F17/0033—Printed inductances with the coil helically wound around a magnetic core
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • 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
    • H01F2017/004—Printed inductances with the coil helically wound around an axis without a core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
DE69610524T 1995-06-05 1996-05-30 Oberflächenmontiertes elektronisches Bauelement mit gerilltem Kern Expired - Fee Related DE69610524T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46442195A 1995-06-05 1995-06-05

Publications (2)

Publication Number Publication Date
DE69610524D1 DE69610524D1 (de) 2000-11-09
DE69610524T2 true DE69610524T2 (de) 2001-05-17

Family

ID=23843885

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69610524T Expired - Fee Related DE69610524T2 (de) 1995-06-05 1996-05-30 Oberflächenmontiertes elektronisches Bauelement mit gerilltem Kern

Country Status (3)

Country Link
EP (1) EP0747913B1 (ja)
JP (1) JPH08330142A (ja)
DE (1) DE69610524T2 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3622459B2 (ja) * 1997-11-25 2005-02-23 松下電工株式会社 電磁装置
WO2003005579A1 (en) * 2001-07-04 2003-01-16 Koninklijke Philips Electronics N.V. Electronic inductive and capacitive component
KR100433188B1 (ko) * 2001-08-28 2004-05-28 주식회사 쎄라텍 표면실장형 파워 인덕터 및 그 제조방법
EP2105937B1 (en) * 2008-03-28 2016-03-23 Sercomm Corporation Transformer apparatus with shielding architecture and shielding method thereof
JP2010182850A (ja) * 2009-02-05 2010-08-19 Asahi Denki Kenkyusho:Kk トロイダルコア、トロイダルコアの製造方法及びトロイダルコア製造用の金型
JP6106381B2 (ja) * 2012-08-21 2017-03-29 Ａｒｔ−Ｈｉｋａｒｉ株式会社 トランス及びトランスを搭載した装置
JP2016025150A (ja) * 2014-07-17 2016-02-08 株式会社村田製作所 トロイダルコイル
FR3097366A1 (fr) * 2019-06-17 2020-12-18 Commissariat A L'energie Atomique Et Aux Energies Alternatives Procede de fabrication d’un dispositif inductif
JP2024029578A (ja) * 2022-08-22 2024-03-06 ヤマハ株式会社 空芯コイル

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319207A (en) * 1963-07-18 1967-05-09 Davis Jesse Grooved toroidal body with metal filling
FR2067180A1 (en) * 1969-11-21 1971-08-20 Int Standard Electric Corp Electro static shielding of toroidal transformers
DE2424715A1 (de) * 1974-05-21 1975-12-04 Messerschmitt Boelkow Blohm Wechselstromdurchflossene spule
JPS5878402A (ja) * 1981-11-04 1983-05-12 Yagi Antenna Co Ltd インダクタンス素子
FR2590400B1 (fr) * 1985-11-19 1987-12-18 Thomson Csf Transformateur d'intensite haute frequence a air

Also Published As

Publication number Publication date
JPH08330142A (ja) 1996-12-13
EP0747913A1 (en) 1996-12-11
EP0747913B1 (en) 2000-10-04
DE69610524D1 (de) 2000-11-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 80335 MUENCHEN

8327 Change in the person/name/address of the patent owner

Owner name: FREESCALE SEMICONDUCTOR, INC., AUSTIN, TEX., US

8339 Ceased/non-payment of the annual fee