AU2001294646A1 - Electronic transformer/inductor devices and methods for making same - Google Patents

Electronic transformer/inductor devices and methods for making same

Info

Publication number
AU2001294646A1
AU2001294646A1 AU2001294646A AU9464601A AU2001294646A1 AU 2001294646 A1 AU2001294646 A1 AU 2001294646A1 AU 2001294646 A AU2001294646 A AU 2001294646A AU 9464601 A AU9464601 A AU 9464601A AU 2001294646 A1 AU2001294646 A1 AU 2001294646A1
Authority
AU
Australia
Prior art keywords
methods
making same
electronic transformer
inductor devices
inductor
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.)
Abandoned
Application number
AU2001294646A
Inventor
Philip A. Harding
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.)
M Flex Multi Fineline Electronix Inc
Original Assignee
M Flex Multi Fineline Electronix 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 M Flex Multi Fineline Electronix Inc filed Critical M Flex Multi Fineline Electronix Inc
Publication of AU2001294646A1 publication Critical patent/AU2001294646A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/04Apparatus 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
    • H01F41/041Printed circuit coils
    • H01F41/046Printed circuit coils structurally combined with ferromagnetic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/0006Printed inductances
    • H01F17/0033Printed inductances with the coil helically wound around a magnetic core
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/16Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
    • H05K1/165Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed inductors
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/08Magnetic details
    • H05K2201/083Magnetic materials
    • H05K2201/086Magnetic materials for inductive purposes, e.g. printed inductor with ferrite core
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09009Substrate related
    • H05K2201/09063Holes or slots in insulating substrate not used for electrical connections
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09Shape and layout
    • H05K2201/09209Shape and layout details of conductors
    • H05K2201/09654Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
    • H05K2201/097Alternating conductors, e.g. alternating different shaped pads, twisted pairs; Alternating components
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10227Other objects, e.g. metallic pieces
    • H05K2201/10416Metallic blocks or heatsinks completely inserted in a PCB
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/02Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
    • H05K3/06Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/40Forming printed elements for providing electric connections to or between printed circuits
    • H05K3/42Plated through-holes or plated via connections
    • H05K3/429Plated through-holes specially for multilayer circuits, e.g. having connections to inner circuit layers
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/46Manufacturing multilayer circuits
    • H05K3/4611Manufacturing multilayer circuits by laminating two or more circuit boards
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S29/00Metal working
    • Y10S29/016Method or apparatus with etching
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/4902Electromagnet, transformer or inductor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/4902Electromagnet, transformer or inductor
    • Y10T29/49073Electromagnet, transformer or inductor by assembling coil and core
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/4902Electromagnet, transformer or inductor
    • Y10T29/49075Electromagnet, transformer or inductor including permanent magnet or core
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49124On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49155Manufacturing circuit on or in base
    • Y10T29/49165Manufacturing circuit on or in base by forming conductive walled aperture in base
AU2001294646A 2000-09-22 2001-09-24 Electronic transformer/inductor devices and methods for making same Abandoned AU2001294646A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US23463600P 2000-09-22 2000-09-22
US60234636 2000-09-22
US23735600P 2000-09-27 2000-09-27
US60237356 2000-09-27
PCT/US2001/029738 WO2002025797A2 (en) 2000-09-22 2001-09-24 Electronic transformer/inductor devices and methods for making same

Publications (1)

Publication Number Publication Date
AU2001294646A1 true AU2001294646A1 (en) 2002-04-02

Family

ID=26928142

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001294646A Abandoned AU2001294646A1 (en) 2000-09-22 2001-09-24 Electronic transformer/inductor devices and methods for making same

Country Status (7)

Country Link
US (2) US6820321B2 (en)
EP (1) EP1325545A4 (en)
JP (1) JP4247518B2 (en)
CN (1) CN1261753C (en)
AU (1) AU2001294646A1 (en)
TW (1) TWI258154B (en)
WO (1) WO2002025797A2 (en)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1240086C (en) * 2000-05-19 2006-02-01 P·A·哈丁 Slot core transformers
AU2001294646A1 (en) * 2000-09-22 2002-04-02 M-Flex Multi-Fineline Electronix, Inc. Electronic transformer/inductor devices and methods for making same
US7135952B2 (en) 2002-09-16 2006-11-14 Multi-Fineline Electronix, Inc. Electronic transformer/inductor devices and methods for making same
US7016027B2 (en) * 2003-05-08 2006-03-21 Infineon Technologies Ag System and method for quantifying errors in an alternating phase shift mask
US7023313B2 (en) * 2003-07-16 2006-04-04 Marvell World Trade Ltd. Power inductor with reduced DC current saturation
US7307502B2 (en) * 2003-07-16 2007-12-11 Marvell World Trade Ltd. Power inductor with reduced DC current saturation
US7489219B2 (en) * 2003-07-16 2009-02-10 Marvell World Trade Ltd. Power inductor with reduced DC current saturation
US6927663B2 (en) * 2003-07-23 2005-08-09 Cardiac Pacemakers, Inc. Flyback transformer wire attach method to printed circuit board
US7760525B2 (en) * 2003-08-21 2010-07-20 Marvell World Trade Ltd. Voltage regulator
US7872454B2 (en) * 2003-08-21 2011-01-18 Marvell World Trade Ltd. Digital low dropout regulator
US6990729B2 (en) * 2003-09-05 2006-01-31 Harris Corporation Method for forming an inductor
US8324872B2 (en) 2004-03-26 2012-12-04 Marvell World Trade, Ltd. Voltage regulator with coupled inductors having high coefficient of coupling
US7196607B2 (en) * 2004-03-26 2007-03-27 Harris Corporation Embedded toroidal transformers in ceramic substrates
US7353586B2 (en) * 2004-04-26 2008-04-08 Siemens Power Generation, Inc. Method of horizontally stacking a stator core within a stator frame
US7190152B2 (en) * 2004-07-13 2007-03-13 Marvell World Trade Ltd. Closed-loop digital control system for a DC/DC converter
US7612641B2 (en) * 2004-09-21 2009-11-03 Pulse Engineering, Inc. Simplified surface-mount devices and methods
US7164584B2 (en) * 2004-10-19 2007-01-16 Honeywell International Inc. Modular heatsink, electromagnetic device incorporating a modular heatsink and method of cooling an electromagnetic device using a modular heatsink
US7436282B2 (en) 2004-12-07 2008-10-14 Multi-Fineline Electronix, Inc. Miniature circuitry and inductive components and methods for manufacturing same
AU2005314077B2 (en) * 2004-12-07 2010-08-05 Multi-Fineline Electronix, Inc. Miniature circuitry and inductive components and methods for manufacturing same
DE102005041131B4 (en) * 2005-08-30 2008-01-31 Phoenix Contact Gmbh & Co. Kg exchangers
US8031033B2 (en) * 2005-11-30 2011-10-04 Avocent Corporation Printed multilayer solenoid delay line having at least two sub-sets with different patterns
US7645941B2 (en) 2006-05-02 2010-01-12 Multi-Fineline Electronix, Inc. Shielded flexible circuits and methods for manufacturing same
US7423508B2 (en) * 2006-06-30 2008-09-09 Intel Corporation Control of eddy currents in magnetic vias for inductors and transformers in integrated circuits
EP2109867A4 (en) * 2007-01-11 2014-12-24 Keyeye Comm Wideband planar transformer
US7304558B1 (en) * 2007-01-18 2007-12-04 Harris Corporation Toroidal inductor design for improved Q
US8072773B2 (en) 2008-04-04 2011-12-06 John Mruz Ultra-wideband assembly system and method
US8089331B2 (en) * 2009-05-12 2012-01-03 Raytheon Company Planar magnetic structure
FR2979787B1 (en) 2011-09-07 2013-10-11 Commissariat Energie Atomique PRINTED CIRCUIT AND MAGNETIC FIELD OR CURRENT SENSOR
FR2979792B1 (en) 2011-09-07 2013-10-11 Commissariat Energie Atomique CURRENT SENSOR
JP6256820B2 (en) * 2012-03-26 2018-01-10 住友電工プリントサーキット株式会社 Flexible printed wiring board and method for manufacturing the flexible printed wiring board
JP5904638B2 (en) * 2012-04-11 2016-04-13 株式会社日本マイクロニクス Multilayer wiring board and manufacturing method thereof
US9640602B2 (en) * 2012-10-19 2017-05-02 Infineon Technologies Austria Ag Semiconductor device including magnetically coupled monolithic integrated coils
US8723052B1 (en) 2013-02-27 2014-05-13 Boulder Wind Power, Inc. Methods and apparatus for optimizing electrical interconnects on laminated composite assemblies
US8785784B1 (en) 2013-03-13 2014-07-22 Boulder Wind Power, Inc. Methods and apparatus for optimizing structural layout of multi-circuit laminated composite assembly
US20220076869A1 (en) * 2013-03-15 2022-03-10 Qorvo Us, Inc. Advanced 3d inductor structures with confined magnetic field
US10141107B2 (en) 2013-10-10 2018-11-27 Analog Devices, Inc. Miniature planar transformer
US9324779B2 (en) 2013-10-25 2016-04-26 Qualcomm Incorporated Toroid inductor in an integrated device
CN104681232A (en) * 2013-12-03 2015-06-03 北京嘉岳同乐极电子有限公司 Mini-type inductor and manufacturing method thereof
US9793775B2 (en) 2013-12-31 2017-10-17 Boulder Wind Power, Inc. Methods and apparatus for reducing machine winding circulating current losses
CN103811151B (en) * 2014-03-06 2016-09-28 上海卓凯电子科技有限公司 Inductance element and manufacture method thereof
JP6284797B2 (en) * 2014-03-20 2018-02-28 新光電気工業株式会社 Inductor, coil substrate, and method of manufacturing coil substrate
US9959967B2 (en) 2014-05-15 2018-05-01 Analog Devices, Inc. Magnetic devices and methods for manufacture using flex circuits
DE102014210013A1 (en) * 2014-05-26 2015-11-26 Schaeffler Technologies AG & Co. KG Magnetic board and method for its manufacture
US9520793B2 (en) 2014-09-22 2016-12-13 Raytheon Company Stacked power converter assembly
US10763028B2 (en) 2015-04-10 2020-09-01 Delta Electronics, Inc. Magnetic component and magnetic core of the same
TWI557759B (en) * 2015-04-10 2016-11-11 台達電子工業股份有限公司 Integrated inductor and integrated inductor magnetic core of the same
US10468181B1 (en) 2015-08-10 2019-11-05 Vlt, Inc. Self-aligned planar magnetic structure and method
US9685880B2 (en) 2015-09-28 2017-06-20 Apple Inc. Power converters
US10050438B2 (en) 2015-10-16 2018-08-14 Raytheon Company Stacked power converter assembly
US10049810B2 (en) 2015-11-09 2018-08-14 Raytheon Company High voltage high frequency transformer
WO2017147129A1 (en) 2016-02-24 2017-08-31 Murata Manufacturing Co., Ltd. Substrate-embedded transformer with improved isolation
US10050533B2 (en) 2016-07-26 2018-08-14 Raytheon Company High voltage high frequency transformer
DE102017109499A1 (en) * 2017-05-03 2018-11-08 Valeo Siemens Eautomotive Germany Gmbh inverter
US10672553B2 (en) 2017-05-10 2020-06-02 Raytheon Company High voltage high frequency transformer
US10834828B2 (en) 2018-01-26 2020-11-10 International Business Machines Corporation Creating inductors, resistors, capacitors and other structures in printed circuit board vias with light pipe technology
US11443885B2 (en) * 2018-03-12 2022-09-13 Intel Corporation Thin film barrier seed metallization in magnetic-plugged through hole inductor
CN110416772A (en) * 2018-04-29 2019-11-05 深南电路股份有限公司 A kind of connector and electronic device
US11694832B2 (en) 2019-02-01 2023-07-04 Raytheon Company High voltage high frequency transformer
US10834830B2 (en) 2019-02-13 2020-11-10 International Business Machines Corporation Creating in-via routing with a light pipe
US11271490B1 (en) 2019-07-29 2022-03-08 Vicor Corporation Multi-cell power converter
US11870340B1 (en) 2019-07-29 2024-01-09 Vicor Corporation Multi-cell power converter
DE202020001160U1 (en) 2020-03-16 2020-04-16 Michael Dienst Electrical coil former for lifting machines
RU2746054C1 (en) * 2020-11-11 2021-04-06 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") Method for producing a planar transformer based on multi-layer pcb
CN114630504A (en) * 2020-12-10 2022-06-14 深南电路股份有限公司 Circuit board processing method and circuit board

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3372358A (en) * 1966-04-12 1968-03-05 Itt Film transformers
FR1541719A (en) * 1967-07-17 1968-10-11 Csf integrated magnetic elements with a laminated structure
US3898595A (en) * 1970-11-02 1975-08-05 Cunningham Corp Magnetic printed circuit
BE785906A (en) 1971-07-12 1973-01-08 High Voltage Power Corp ELECTROMAGNETIC INDUCTION DEVICE
US3765082A (en) * 1972-09-20 1973-10-16 San Fernando Electric Mfg Method of making an inductor chip
BE862654A (en) * 1977-01-13 1978-07-05 Cit Alcatel INDUCTIVE CIRCUITS REALIZATION PROCESS
JPS55110009A (en) * 1979-02-16 1980-08-25 Tohoku Metal Ind Ltd Inductance element
US4253079A (en) * 1979-04-11 1981-02-24 Amnon Brosh Displacement transducers employing printed coil structures
US4383235A (en) 1979-07-30 1983-05-10 Layton Wilbur T Bi level etched magnetic coil
DE3165884D1 (en) 1980-02-01 1984-10-18 Hasler Ag Pulse transformer and its use as isolation transformer
US4547705A (en) * 1982-03-20 1985-10-15 Tdk Corporation Discharge lamp lightening device
US4622627A (en) * 1984-02-16 1986-11-11 Theta-J Corporation Switching electrical power supply utilizing miniature inductors integrally in a PCB
US4665357A (en) * 1984-04-23 1987-05-12 Edward Herbert Flat matrix transformer
US4901048A (en) * 1985-06-10 1990-02-13 Williamson Windings Inc. Magnetic core multiple tap or windings devices
US4799119A (en) 1986-09-10 1989-01-17 International Business Machines Corporation Flexible circuit magnetic core winding for a core member
US4800461A (en) * 1987-11-02 1989-01-24 Teledyne Industries, Inc. Multilayer combined rigid and flex printed circuits
US5070317A (en) * 1989-01-17 1991-12-03 Bhagat Jayant K Miniature inductor for integrated circuits and devices
US5126714A (en) * 1990-12-20 1992-06-30 The United States Of America As Represented By The Secretary Of The Navy Integrated circuit transformer
US5349743A (en) * 1991-05-02 1994-09-27 At&T Bell Laboratories Method of making a multilayer monolithic magnet component
US5487214A (en) * 1991-07-10 1996-01-30 International Business Machines Corp. Method of making a monolithic magnetic device with printed circuit interconnections
GB2263582B (en) * 1992-01-21 1995-11-01 Dale Electronics Laser-formed electrical component and method for making same
US5257000A (en) 1992-02-14 1993-10-26 At&T Bell Laboratories Circuit elements dependent on core inductance and fabrication thereof
US5312674A (en) * 1992-07-31 1994-05-17 Hughes Aircraft Company Low-temperature-cofired-ceramic (LTCC) tape structures including cofired ferromagnetic elements, drop-in components and multi-layer transformer
US5392020A (en) * 1992-12-14 1995-02-21 Chang; Kern K. N. Flexible transformer apparatus particularly adapted for high voltage operation
US5430613A (en) * 1993-06-01 1995-07-04 Eaton Corporation Current transformer using a laminated toroidal core structure and a lead frame
US5514337A (en) 1994-01-11 1996-05-07 American Research Corporation Of Virginia Chemical sensor using eddy current or resonant electromagnetic circuit detection
TW265450B (en) * 1994-06-30 1995-12-11 At & T Corp Devices using metallized magnetic substrates
WO1996025752A1 (en) * 1995-02-15 1996-08-22 Electronic Craftsmen Limited Transformer and method of assembly
US5781091A (en) * 1995-07-24 1998-07-14 Autosplice Systems Inc. Electronic inductive device and method for manufacturing
KR100211814B1 (en) * 1995-11-30 1999-08-02 전주범 A pliability coil winding structure of fbt and manufacture method therefore
US5852870A (en) * 1996-04-24 1998-12-29 Amkor Technology, Inc. Method of making grid array assembly
US5793272A (en) * 1996-08-23 1998-08-11 International Business Machines Corporation Integrated circuit toroidal inductor
US5942965A (en) * 1996-09-13 1999-08-24 Murata Manufacturing Co., Ltd. Multilayer substrate
US6073339A (en) * 1996-09-20 2000-06-13 Tdk Corporation Of America Method of making low profile pin-less planar magnetic devices
DE19639881C2 (en) * 1996-09-27 1999-05-20 Siemens Matsushita Components Method of manufacturing an inductive component
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
US5898991A (en) * 1997-01-16 1999-05-04 International Business Machines Corporation Methods of fabrication of coaxial vias and magnetic devices
JPH1140915A (en) * 1997-05-22 1999-02-12 Nec Corp Printed wiring board
WO1998054735A1 (en) * 1997-05-27 1998-12-03 Melcher Ag Device and method for cooling a planar inductor
US6007758A (en) * 1998-02-10 1999-12-28 Lucent Technologies Inc. Process for forming device comprising metallized magnetic substrates
US6144276A (en) * 1998-04-02 2000-11-07 Motorola, Inc. Planar transformer having integrated cooling features
US6129579A (en) * 1998-06-15 2000-10-10 Segate Technology Inc. Low inductance flex-to-PCB spring connector for a disc drive
US6593836B1 (en) * 1998-10-20 2003-07-15 Vlt Corporation Bobbins, transformers, magnetic components, and methods
US6040753A (en) 1999-04-06 2000-03-21 Lockheed Martin Corp. Ultra-low-profile tube-type magnetics
US6211767B1 (en) * 1999-05-21 2001-04-03 Rompower Inc. High power planar transformer
US6262463B1 (en) * 1999-07-08 2001-07-17 Integrated Micromachines, Inc. Micromachined acceleration activated mechanical switch and electromagnetic sensor
TW432412B (en) 1999-11-15 2001-05-01 Compeq Mfg Co Ltd Method for fabricating built-in printed circuit board inductor and transformer
CN1240086C (en) * 2000-05-19 2006-02-01 P·A·哈丁 Slot core transformers
AU2001294646A1 (en) * 2000-09-22 2002-04-02 M-Flex Multi-Fineline Electronix, Inc. Electronic transformer/inductor devices and methods for making same
US6383033B1 (en) * 2000-12-07 2002-05-07 Delphi Technologies, Inc. Side load electrical connector
US7135952B2 (en) * 2002-09-16 2006-11-14 Multi-Fineline Electronix, Inc. Electronic transformer/inductor devices and methods for making same

Also Published As

Publication number Publication date
TWI258154B (en) 2006-07-11
EP1325545A2 (en) 2003-07-09
CN1261753C (en) 2006-06-28
US6820321B2 (en) 2004-11-23
JP2004515054A (en) 2004-05-20
WO2002025797A3 (en) 2002-06-13
EP1325545A4 (en) 2004-11-24
US20020070831A1 (en) 2002-06-13
WO2002025797A2 (en) 2002-03-28
US20050093672A1 (en) 2005-05-05
JP4247518B2 (en) 2009-04-02
CN1466679A (en) 2004-01-07

Similar Documents

Publication Publication Date Title
AU2001294646A1 (en) Electronic transformer/inductor devices and methods for making same
GB0106172D0 (en) Inductor and method for manufacturing same
HK1041934A1 (en) Electronic wrist-worn device and method of controlling the same
EP1439553A4 (en) Low-profile transformer and method of manufacturing the transformer
AU2002245293A1 (en) Integrated transformer
HK1038434A1 (en) Electronic component and manufacturing method thereof
AU8433901A (en) An electronic publication and methods and components thereof
AU2001247707A1 (en) Electronic device and process of making electronic device
GB0008406D0 (en) Porable electronic apparatus
AU2001282884A1 (en) Electronic component and method of manufacture
AU2001253846A1 (en) Microwave device and method for making same
AU2003303665A1 (en) Circuit using choke coil and choke coil
AU2001293091A1 (en) Piezoelectric transformer and operating method
AU2001295484A1 (en) Method for operating drawing equipment and drawing equipment
AU142367S (en) Magnetic core for transformer for electronic device
SG99367A1 (en) Transformer
AU2001227181A1 (en) Method of rod coil forming and set of equipment for its realization
AU2001285983A1 (en) Integrated inductor
AU2001252159A1 (en) Electronic transformer
AU2002222870A1 (en) Shielded inductor
GB2371150B (en) Variable inductance transformer
AU2001228769A1 (en) Electronic transformer system
AU2001246243A1 (en) Planar transformer
AU2000275768A1 (en) Electronic device
EP1347480A4 (en) Electronic apparatus