EP3977492A4 - Surface-mounted magnetic-component module - Google Patents

Surface-mounted magnetic-component module Download PDF

Info

Publication number
EP3977492A4
EP3977492A4 EP20836917.3A EP20836917A EP3977492A4 EP 3977492 A4 EP3977492 A4 EP 3977492A4 EP 20836917 A EP20836917 A EP 20836917A EP 3977492 A4 EP3977492 A4 EP 3977492A4
Authority
EP
European Patent Office
Prior art keywords
component module
mounted magnetic
magnetic
module
component
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.)
Pending
Application number
EP20836917.3A
Other languages
German (de)
French (fr)
Other versions
EP3977492A1 (en
Inventor
Lee Francis
William Jarvis
Takayuki TANGE
Scott Parish
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of EP3977492A1 publication Critical patent/EP3977492A1/en
Publication of EP3977492A4 publication Critical patent/EP3977492A4/en
Pending 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
    • H01F27/2804—Printed windings
    • 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
    • H01F27/02—Casings
    • H01F27/022—Encapsulation
    • 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
    • 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
    • H01F27/266—Fastening or mounting the core on casing or support
    • 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
    • H01F27/2895—Windings disposed upon ring cores
    • 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
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H01F2027/2814—Printed windings with only part of the coil or of the winding in the printed circuit board, e.g. the remaining coil or winding sections can be made of wires or sheets
EP20836917.3A 2019-07-09 2020-07-09 Surface-mounted magnetic-component module Pending EP3977492A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962871847P 2019-07-09 2019-07-09
PCT/US2020/041351 WO2021007404A1 (en) 2019-07-09 2020-07-09 Surface-mounted magnetic-component module

Publications (2)

Publication Number Publication Date
EP3977492A1 EP3977492A1 (en) 2022-04-06
EP3977492A4 true EP3977492A4 (en) 2022-08-10

Family

ID=74114991

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20836917.3A Pending EP3977492A4 (en) 2019-07-09 2020-07-09 Surface-mounted magnetic-component module

Country Status (3)

Country Link
EP (1) EP3977492A4 (en)
CN (1) CN114097049A (en)
WO (1) WO2021007404A1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4524342A (en) * 1981-12-28 1985-06-18 Allied Corporation Toroidal core electromagnetic device
US20070290783A1 (en) * 2004-12-07 2007-12-20 Multi-Fineline Electronix, Inc. Miniature circuitry and inductive components and methods for manufacturing same
WO2011149523A1 (en) * 2010-05-26 2011-12-01 Tyco Electronics Corporation Planar inductor devices
US20110291785A1 (en) * 2010-05-27 2011-12-01 Advanced Semiconductor Engineering, Inc. Power inductor structure
US20140085033A1 (en) * 2012-12-03 2014-03-27 Shanghai Zhuo Kai Electronic Technology Co., Ltd Planar magnetic component and method for manufacturing the same
WO2016100988A1 (en) * 2014-12-19 2016-06-23 Texas Instruments Incorporated Embedded coil assembly and method of making
WO2016100987A1 (en) * 2014-12-19 2016-06-23 Texas Instruments Incorporated Embedded coil assembly and production method
US20170222563A1 (en) * 2014-11-12 2017-08-03 Murata Manufacturing Co., Ltd. Power supply module and mounting structure therefor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH097844A (en) * 1995-06-15 1997-01-10 Murata Mfg Co Ltd Composite component and dc-dc converter using that
JP4030028B2 (en) * 1996-12-26 2008-01-09 シチズン電子株式会社 SMD type circuit device and manufacturing method thereof
JP4910826B2 (en) * 2007-03-28 2012-04-04 Ｆｄｋ株式会社 Winding parts
US7868431B2 (en) * 2007-11-23 2011-01-11 Alpha And Omega Semiconductor Incorporated Compact power semiconductor package and method with stacked inductor and integrated circuit die
CN101587769A (en) * 2008-05-21 2009-11-25 台达电子工业股份有限公司 Magnetic element
US7982572B2 (en) * 2008-07-17 2011-07-19 Pulse Engineering, Inc. Substrate inductive devices and methods
DE102012216101B4 (en) * 2012-09-12 2016-03-24 Festo Ag & Co. Kg Method for producing a coil integrated in a substrate, method for producing a multilayer printed circuit board and electronic device
CN203536199U (en) * 2013-09-26 2014-04-09 特通科技有限公司 Gold thread adding type transformer structure
CN103915235A (en) * 2014-03-21 2014-07-09 华为技术有限公司 Planar magnetic element and manufacturing method thereof
CN208570297U (en) * 2018-04-29 2019-03-01 深南电路股份有限公司 Transformer and electromagnetic device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4524342A (en) * 1981-12-28 1985-06-18 Allied Corporation Toroidal core electromagnetic device
US20070290783A1 (en) * 2004-12-07 2007-12-20 Multi-Fineline Electronix, Inc. Miniature circuitry and inductive components and methods for manufacturing same
WO2011149523A1 (en) * 2010-05-26 2011-12-01 Tyco Electronics Corporation Planar inductor devices
US20110291785A1 (en) * 2010-05-27 2011-12-01 Advanced Semiconductor Engineering, Inc. Power inductor structure
US20140085033A1 (en) * 2012-12-03 2014-03-27 Shanghai Zhuo Kai Electronic Technology Co., Ltd Planar magnetic component and method for manufacturing the same
US20170222563A1 (en) * 2014-11-12 2017-08-03 Murata Manufacturing Co., Ltd. Power supply module and mounting structure therefor
WO2016100988A1 (en) * 2014-12-19 2016-06-23 Texas Instruments Incorporated Embedded coil assembly and method of making
WO2016100987A1 (en) * 2014-12-19 2016-06-23 Texas Instruments Incorporated Embedded coil assembly and production method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021007404A1 *

Also Published As

Publication number Publication date
CN114097049A (en) 2022-02-25
EP3977492A1 (en) 2022-04-06
WO2021007404A1 (en) 2021-01-14

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RIC1 Information provided on ipc code assigned before grant

Ipc: H01F 27/06 20060101ALI20220701BHEP

Ipc: H01F 27/02 20060101ALI20220701BHEP

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Ipc: H01F 17/06 20060101ALI20220701BHEP

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