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WO2009041301A1 - 複合磁性素子 - Google Patents

複合磁性素子 Download PDF

Info

Publication number
WO2009041301A1
WO2009041301A1 PCT/JP2008/066555 JP2008066555W WO2009041301A1 WO 2009041301 A1 WO2009041301 A1 WO 2009041301A1 JP 2008066555 W JP2008066555 W JP 2008066555W WO 2009041301 A1 WO2009041301 A1 WO 2009041301A1
Authority
WO
WIPO (PCT)
Prior art keywords
partition
tube portion
outer tube
magnetic device
composite magnetic
Prior art date
Application number
PCT/JP2008/066555
Other languages
English (en)
French (fr)
Inventor
Satoshi Minamidate
Original Assignee
Sumida Corporation
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 Sumida Corporation filed Critical Sumida Corporation
Priority to EP08833251A priority Critical patent/EP2197003A4/en
Priority to US12/680,600 priority patent/US7999646B2/en
Priority to CN2008801034972A priority patent/CN101779257B/zh
Priority to JP2009534283A priority patent/JP4786744B2/ja
Publication of WO2009041301A1 publication Critical patent/WO2009041301A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/12—Magnetic shunt paths
    • 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
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps
    • 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
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/263—Fastening parts of the core together
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

　２つの磁性素子の特性を備えつつ、製造コストを低減することが可能であると共に、好ましくはそれぞれの磁性素子が同じ特性を容易に奏することが可能な複合磁性素子を提供すること。 　筒状に設けられる外筒部２１、および外筒部２１の内部空間Ｐを２つに区切る仕切り部２２を有する第１のコア部材２０と、第１の鍔部３１および第２の鍔部３３を備えると共に、少なくとも仕切り部２２と第２の鍔部３３との間に磁気ギャップを有する状態で配置され、かつ仕切り部２２を挟んで２つの内部空間Ｐのそれぞれに配置される第２のコア部材３０と、第１の鍔部３１と第２の鍔部３３との間に存在する巻枠部３５に配置されるコイル４０と、外筒部２１の外周面２１ａに配置されると共に、コイル４０の端末４１ａが電気的に接続される端子部材５０と、を具備する。
PCT/JP2008/066555 2007-09-27 2008-09-12 複合磁性素子 WO2009041301A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08833251A EP2197003A4 (en) 2007-09-27 2008-09-12 COMPOSITE MAGNETIC ARRANGEMENT
US12/680,600 US7999646B2 (en) 2007-09-27 2008-09-12 Composite magnetic device
CN2008801034972A CN101779257B (zh) 2007-09-27 2008-09-12 复合磁性元件
JP2009534283A JP4786744B2 (ja) 2007-09-27 2008-09-12 複合磁性素子

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-251447 2007-09-27
JP2007251447 2007-09-27

Publications (1)

Publication Number Publication Date
WO2009041301A1 true WO2009041301A1 (ja) 2009-04-02

Family

ID=40511188

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066555 WO2009041301A1 (ja) 2007-09-27 2008-09-12 複合磁性素子

Country Status (6)

Country Link
US (1) US7999646B2 (ja)
EP (1) EP2197003A4 (ja)
JP (1) JP4786744B2 (ja)
KR (1) KR20100054875A (ja)
CN (1) CN101779257B (ja)
WO (1) WO2009041301A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7799646B2 (en) * 2008-04-07 2010-09-21 Alpha & Omega Semiconductor, Ltd Integration of a sense FET into a discrete power MOSFET
US11424070B2 (en) * 2018-06-19 2022-08-23 Tdk Corporation Coil component

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5632414U (ja) * 1979-08-21 1981-03-30
JPH0626227U (ja) * 1992-09-03 1994-04-08 東京パーツ工業株式会社 磁気シールド変成器
JP2002170721A (ja) 2000-11-30 2002-06-14 Toko Inc デジタルアンプ用コイル素子
JP2007012686A (ja) * 2005-06-28 2007-01-18 Sumida Corporation 磁性素子

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5632414A (en) 1979-08-28 1981-04-01 Suzuki Nihondou:Kk Preparation of stretchable clear sticking plaster
JPS5926577Y2 (ja) * 1979-09-17 1984-08-02 ティーディーケイ株式会社 小型インダクタンス素子
JP3497276B2 (ja) * 1994-07-20 2004-02-16 松下電器産業株式会社 インダクタンス素子とその製造方法
TW490691B (en) * 2000-01-24 2002-06-11 Toko Inc Surface mounting type coil
JP3659207B2 (ja) * 2001-09-28 2005-06-15 松下電器産業株式会社 インダクタンス素子
US7057486B2 (en) * 2001-11-14 2006-06-06 Pulse Engineering, Inc. Controlled induction device and method of manufacturing
JP2005311227A (ja) * 2004-04-26 2005-11-04 Sumida Corporation 高圧トランス
CN2911900Y (zh) * 2006-01-26 2007-06-13 胜美达电机（香港）有限公司 线性滤波器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5632414U (ja) * 1979-08-21 1981-03-30
JPH0626227U (ja) * 1992-09-03 1994-04-08 東京パーツ工業株式会社 磁気シールド変成器
JP2002170721A (ja) 2000-11-30 2002-06-14 Toko Inc デジタルアンプ用コイル素子
JP2007012686A (ja) * 2005-06-28 2007-01-18 Sumida Corporation 磁性素子

Also Published As

Publication number Publication date
KR20100054875A (ko) 2010-05-25
EP2197003A4 (en) 2010-11-03
JP4786744B2 (ja) 2011-10-05
JPWO2009041301A1 (ja) 2011-01-27
US20100214051A1 (en) 2010-08-26
EP2197003A1 (en) 2010-06-16
US7999646B2 (en) 2011-08-16
CN101779257B (zh) 2012-08-22
CN101779257A (zh) 2010-07-14

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