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FR2908231B1 - Noyau magnetique ferme en forme de spirale et micro-inductance integree comportant un tel noyau magnetique ferme - Google Patents

Noyau magnetique ferme en forme de spirale et micro-inductance integree comportant un tel noyau magnetique ferme

Info

Publication number
FR2908231B1
FR2908231B1 FR0609714A FR0609714A FR2908231B1 FR 2908231 B1 FR2908231 B1 FR 2908231B1 FR 0609714 A FR0609714 A FR 0609714A FR 0609714 A FR0609714 A FR 0609714A FR 2908231 B1 FR2908231 B1 FR 2908231B1
Authority
FR
France
Prior art keywords
magnetic core
spiral
inductance
integrated micro
closed
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
FR0609714A
Other languages
English (en)
Other versions
FR2908231A1 (fr
Inventor
Bernard Viala
Bastien Orlando
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.)
Centre National de la Recherche Scientifique CNRS
STMicroelectronics SA
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Centre National de la Recherche Scientifique CNRS
Commissariat a lEnergie Atomique CEA
STMicroelectronics SA
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 Centre National de la Recherche Scientifique CNRS, Commissariat a lEnergie Atomique CEA, STMicroelectronics SA filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR0609714A priority Critical patent/FR2908231B1/fr
Priority to US11/907,215 priority patent/US20080106364A1/en
Priority to JP2007281911A priority patent/JP2008187166A/ja
Priority to EP07354060A priority patent/EP1921640B1/fr
Priority to DE602007002139T priority patent/DE602007002139D1/de
Priority to AT07354060T priority patent/ATE441193T1/de
Publication of FR2908231A1 publication Critical patent/FR2908231A1/fr
Application granted granted Critical
Publication of FR2908231B1 publication Critical patent/FR2908231B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01F17/0033—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
    • H01F17/00—Fixed inductances of the signal type
    • H01F17/04—Fixed inductances of the signal type with magnetic core
    • 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
    • H01F17/045—Fixed inductances of the signal type with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum 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
    • H01F27/24—Magnetic cores
    • H01F27/25—Magnetic cores made from strips or ribbons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/041—Printed circuit coils
    • H01F41/046—Printed circuit coils structurally combined with ferromagnetic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
FR0609714A 2006-11-07 2006-11-07 Noyau magnetique ferme en forme de spirale et micro-inductance integree comportant un tel noyau magnetique ferme Expired - Fee Related FR2908231B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR0609714A FR2908231B1 (fr) 2006-11-07 2006-11-07 Noyau magnetique ferme en forme de spirale et micro-inductance integree comportant un tel noyau magnetique ferme
US11/907,215 US20080106364A1 (en) 2006-11-07 2007-10-10 Spiral-shaped closed magnetic core and integrated micro-inductor comprising one such closed magnetic core
JP2007281911A JP2008187166A (ja) 2006-11-07 2007-10-30 らせん形の閉じた磁気コア、及び前記閉じた磁気コアを備えた集積マイクロインダクタ
EP07354060A EP1921640B1 (fr) 2006-11-07 2007-11-06 Noyau magnétique fermé en forme de spirale et micro-inductance intégrée comportant un tel noyau magnétique fermé
DE602007002139T DE602007002139D1 (de) 2006-11-07 2007-11-06 Spiralförmiger geschlossener magnetischer Kern und integrierte Microinduktanz mit einem solchen geschlossenen magnetischen Kern
AT07354060T ATE441193T1 (de) 2006-11-07 2007-11-06 Spiralfírmiger geschlossener magnetischer kern und integrierte microinduktanz mit einem solchen geschlossenen magnetischen kern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0609714A FR2908231B1 (fr) 2006-11-07 2006-11-07 Noyau magnetique ferme en forme de spirale et micro-inductance integree comportant un tel noyau magnetique ferme

Publications (2)

Publication Number Publication Date
FR2908231A1 FR2908231A1 (fr) 2008-05-09
FR2908231B1 true FR2908231B1 (fr) 2009-01-23

Family

ID=38004847

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0609714A Expired - Fee Related FR2908231B1 (fr) 2006-11-07 2006-11-07 Noyau magnetique ferme en forme de spirale et micro-inductance integree comportant un tel noyau magnetique ferme

Country Status (6)

Country Link
US (1) US20080106364A1 (fr)
EP (1) EP1921640B1 (fr)
JP (1) JP2008187166A (fr)
AT (1) ATE441193T1 (fr)
DE (1) DE602007002139D1 (fr)
FR (1) FR2908231B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150061815A1 (en) 2013-09-04 2015-03-05 International Business Machines Corporation Planar inductors with closed magnetic loops
US10290414B2 (en) * 2015-08-31 2019-05-14 Qualcomm Incorporated Substrate comprising an embedded inductor and a thin film magnetic core
US10600566B2 (en) 2016-10-13 2020-03-24 International Business Machines Corporation Method for forming a planar, closed loop magnetic structure

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3465238A (en) * 1967-10-02 1969-09-02 Jacob Marlow Position and velocity detecting apparatus
US4309655A (en) * 1978-06-23 1982-01-05 Lgz Landis & Gyr Zug Ag Measuring transformer
DE3016067A1 (de) * 1980-04-25 1981-10-29 Siemens AG, 1000 Berlin und 8000 München Hybridschaltung und verfahren zu deren herstellung
JPS61196505A (ja) * 1985-02-26 1986-08-30 Nec Corp インダクタンス構造体
JPH01106410A (ja) * 1987-10-20 1989-04-24 Victor Co Of Japan Ltd インダクタンス素子
JPH0513235A (ja) * 1991-07-03 1993-01-22 Sumitomo Electric Ind Ltd インダクタンス素子
JPH07220932A (ja) * 1994-02-04 1995-08-18 Mitsubishi Electric Corp コイル素子およびそのモジュール
JP2694114B2 (ja) * 1994-02-28 1997-12-24 株式会社アモルファス・電子デバイス研究所 薄膜磁気素子及びその製造方法
US5815062A (en) * 1995-06-30 1998-09-29 Hitachi Metal, Ltd. Magnetic core
US5847518A (en) * 1996-07-08 1998-12-08 Hitachi Ferrite Electronics, Ltd. High voltage transformer with secondary coil windings on opposing bobbins
US5793272A (en) * 1996-08-23 1998-08-11 International Business Machines Corporation Integrated circuit toroidal inductor
TR199902411A3 (tr) * 1998-11-02 2000-06-21 Lincoln Global, Inc. Dogru akim kaynak makinasi için çikis bobini ve kullanma yöntemi
JP2000283998A (ja) * 1999-03-31 2000-10-13 Osaki Electric Co Ltd 電気量−磁束変換用の磁気回路
US6815220B2 (en) * 1999-11-23 2004-11-09 Intel Corporation Magnetic layer processing
FR2811135B1 (fr) * 2000-06-29 2002-11-22 Memscap Microcomposant du type micro-inductance ou microtransformateur
US6700472B2 (en) * 2001-12-11 2004-03-02 Intersil Americas Inc. Magnetic thin film inductors
JP3971697B2 (ja) * 2002-01-16 2007-09-05 Ｔｄｋ株式会社 高周波用磁性薄膜及び磁気素子
US6825749B1 (en) * 2004-01-26 2004-11-30 National Applied Research Laboratories National Chip Implementation Center Symmetric crossover structure of two lines for RF integrated circuits
JP4541800B2 (ja) * 2004-08-20 2010-09-08 ルネサスエレクトロニクス株式会社 インダクタを備えた半導体装置
KR100688858B1 (ko) * 2004-12-30 2007-03-02 삼성전기주식회사 스파이럴 3차원 인덕터를 내장한 인쇄회로기판 및 그 제조방법

Also Published As

Publication number Publication date
ATE441193T1 (de) 2009-09-15
EP1921640B1 (fr) 2009-08-26
DE602007002139D1 (de) 2009-10-08
US20080106364A1 (en) 2008-05-08
EP1921640A1 (fr) 2008-05-14
FR2908231A1 (fr) 2008-05-09
JP2008187166A (ja) 2008-08-14

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20110801