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7623014 |
Choke coil
In one embodiment, a choke coil has a magnetic core, a coil, and magnetic material. The core has a first permeability which is from about 350 to 1200. The coil is wrapped around the core. The...
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7612640 |
Magnetic element
To provide a magnetic element the ends of the coil of which can be drawn out from the core easily, is compact, and further, is one in which magnetic saturation does not arise easily. A magnetic...
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7567161 |
Coil component
A coil component having a first coil, a second coil, a third coil, each of which has a different function, an upper flange, and a lower flange, and also including a drum core in which a first...
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7532099 |
Inductive component and method for producing the same
The invention relates to an inductive component ( 10 ) whose soft-magnetic core ( 11 ) consists of a powder composite. Said powder composite is produced by mixing a ferromagnetic amorphous or...
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7525406 |
Multiple coupling and non-coupling inductor
The invention of the multiple coupling & non-coupling inductor includes at least an wrapped iron-core assembly and plural conductors where the wrapped iron-core assembly is composed of mutually...
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7525405 |
Method of making an electrical inductor using a sacrificial electrode
A method for forming electronic inductors. A model of the desired shape of the inductor is first formed in wax or other soft material. It is compressed in a block of magnetically permeable material...
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7523542 |
Method of manufacturing a magnetic element
There are provided a magnetic element capable of enhancing magnetic permeability of a magnetic member, improving a direct current superposition characteristic, and improving production efficiency...
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7511445 |
Method of manufacture of magnetic induction devices
Method for manufacturing magnetic induction devices to control electricity entail mixing a resin with a polymer forming a mixture; adding a transition metal to the mixture forming a metalized...
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7473325 |
Current transformer core, current transformer and power meter
A current transformer core made of an alloy having a composition represented by the general formula: Fe 100-x-a-y-c M x Cu a M′ y X′ c (by atomic %), wherein M is Co and/or Ni, M′ is at...
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7449984 |
Magnetic element and method of manufacturing magnetic element
There are provided a magnetic element capable of enhancing magnetic permeability of a magnetic member, improving a direct current superposition characteristic, and improving production efficiency...
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7443277 |
Coil component
A coil component including a flanged core having a flange portion on at least one end portion of winding core, a coil that is wound around the winding core, a bottomed cylindrical cup-shaped core...
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7425883 |
Magnetic element for multi-phase and method of manufacturing the same
A magnetic element for multi-phase is composed by burying a plurality of coils in a composite magnetic material such that a negative coupling of magnetic fluxes or a positive coupling of magnetic...
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7417525 |
High efficiency inductor, method for manufacturing the inductor, and packaging structure using the inductor
An inductor is provided which includes a plurality of via holes vertically passing through a substrate, the substrate having insulating properties, vertical conductive portions filling the via...
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7412766 |
Method of fabricating coil-embedded inductor
A method of fabricating a coil-embedded inductor provides steps for obtaining uniform density of coil-embedded inductor. The cavity of a first die is filled with dust before being flipped, and then...
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7401398 |
Method of manufacturing a magnetic element for multi-phase
A magnetic element for multi-phase is composed by burying a plurality of coils in a composite magnetic material such that a negative coupling of magnetic fluxes or a positive coupling of magnetic...
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7392581 |
Method for manufacturing a magnetic element
A plate member includes a frame portion ( 51 ) provided in a state of coupling both one end portion and other end portion and mounting terminal portions ( 44 ) protruding from the one end portion...
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7390449 |
Method of manufacturing ceramic material body
A method of manufacturing ceramic bodies comprising the steps of: preparing a ceramic sheet; forming through holes in the ceramic sheet, each of the through hole forming at least one part of the...
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7378932 |
Reduced size high-frequency surface-mount current sense transformer
A current sense transformer is provided for which includes a bobbin; the bobbin includes a winding portion for supporting a coil of wire. The winding portion includes a horizontal substantially...
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7373715 |
Method of adjusting a characteristic of wire-wound type chip coil by adjusting the space between conductive wires
A wire-wound type chip coil can take various inductance values while maintaining its outer dimension at a specified fixed value. A chip coil is formed by winding at least two conductive wires...
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7372351 |
Radial lead type inductor
A radial lead type inductor is disclosed. The trailing wire of the winding extends from the inner side of the other collar, which faces against the one collar, to the outer side of the collar...
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7365624 |
Magnetic structure assembly
There is illustrated the assembly of a dual inductor ( 1 ) on to a printed circuit board ( 2 ). A printed circuit board ( 2 ) has a through hole ( 3 ). Then the first winding ( 5 ), formed from a...
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7358842 |
Wire-winding common mode choke
A wire-winding common mode choke has a body, a first coil and a second coil. The body has two channels respectively defined in two lateral sides of the body and at least two steps. Each step has a...
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7358841 |
Core and inductor having the core
The present invention prevents poor contact of a core and an inductor with a substrate as well as improves the strength of attachment of such core and inductor to the substrate. A core mounted on a...
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7345562 |
Method for making a high current low profile inductor
A high current, low profile inductor includes a conductor coil surrounded by magnetic material to form an inductor body. An inductor body is formed around the inductor coil and includes a resin and...
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7327212 |
Plate member, magnetic element using the same, and magnetic element manufacturing method
A plate member includes a frame portion ( 51 ) provided in a state of coupling both one end portion and other end portion and mounting terminal portions ( 44 ) protruding from the one end portion...
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7312682 |
Coil component and electronic device
A coil component comprises a core element having a mounting portion, a coil conductor placed on the core element, and at least two terminal electrodes which are placed in the mounting portion. The...
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7310595 |
Numerically modeling inductive circuit elements
A method of determining electrical parameters of inductive elements includes a novel technique of inverting an impedance matrix representative of said inductive circuit element. The method reduces...
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7280022 |
Inverter transformer
An inverter transformer in which to overall structure and manufacturing process can be simplified despite its closed magnetic path structure, and a cost increase can be suppressed. Primary windings...
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7271690 |
High current long life inductor
An inductor for high current applications includes a nonconductive, tubular form which defines a tube axis and has a cylindrical outer surface. The outer surface is formed with a groove that...
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7262482 |
Open pattern inductor
The invention includes a stacked open pattern inductor fabricated above a semiconductor substrate. The stacked open pattern inductor includes a plurality of parallel open conducting patterns...
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7257882 |
Multilayer coil assembly and method of production
Embodiments of the present invention provide a thin-film coil assembly. The coil assembly includes a substrate, at least two layers of conductive material on top of the substrate, and one layer of...
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7256673 |
Coil assembly including common-mode choke coil
A coil assembly for reducing variations in characteristic impedance includes a winding section having a first surface and a second surface on the opposite side of the winding section from the first...
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7248138 |
Multi-layer printed circuit board inductor winding with added metal foil layers
The present invention provides an electromagnetic component formed from adjacent conducting layers of a multi-layer PCB and two additional conducting layers in contact with the PCB. The inventive...
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7221249 |
Inductor coil
A high current, low profile inductor includes a conductor coil surrounded by magnetic material to form an inductor body. The inductor coil is formed from a flat plate which is cut into a...
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7221235 |
Variable reluctance ferrite core
A device, system, and method for suppressing electromagnetic interference (EMI). In one embodiment, an EMI suppression device includes a compound ferrite core having an inner ferrite core and an...
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7219416 |
Method of manufacturing a magnetic element
The present invention provides a composite magnetic body containing metallic magnetic powder and thermosetting resin and having a packing ratio of the metallic magnetic powder of 65 vol % to 90 vol...
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7218196 |
Noncontact coupler
A noncontact coupler comprising a pair of magnetic cores 1, 1 each having a U-shaped open magnetic path, a primary coil L 1 and secondary coil L 2 being wound around said cores 1, 1 ...
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7216419 |
Method of manufacturing a high-frequency coil device
In a high-frequency coil device having small dispersion in coil inductance and suitable for use in GHz band and a method of manufacturing the high-frequency coil device, a spirally-shaped...
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7215232 |
Surface mount coil component and surface mount coil component mounted substrate
A surface mount coil component has an electrode part including: internal electrodes mounted on both flanges of a drum type core over bottom surfaces and wraparound portions extending from the...
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7212095 |
Inductive element and manufacturing method of the same
Conductor layers 2 A and insulating layers 4 A are alternately stacked so as to prepare a base material 17 . A plurality of grooves 18 having a predetermined width are formed in a surface of...
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7212093 |
Ferrite core, method of manufacturing the same, and common-mode noise filter using the same
The present invention provides a ferrite core which has a structure in that plating is prevented from elongating, which can maintain insulation resistance between electrodes and can prevent...
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7212092 |
Device for energy storage and energy transformation
A device for energy storage and energy transformation is described, in particular an ignition coil of an ignition system of a motor vehicle, having a magnetically active I core, which is surrounded...
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7202766 |
Magnetic element
A magnetic element superior in high frequency characteristics is provided that comprises magnetic ferrite having iron oxide, cobalt oxide and zinc oxide as the main ingredients, a conducting coil...
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7194799 |
Process for fabricating a high density multi-layer microcoil
A high density multi-layer microcoil includes a substrate, a multi-layer coil winding, a magnetic core and a dry film photoresist structure. The multi-layer coil winding and the magnetic core are...
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7183886 |
Inductance device
An inductance device comprises a drum core having a center core, and flanges integrated therewith. The center core is wound with a wire, whereas a magnetic gap is formed between the upper flange...
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7176778 |
Magnetic core assembly having bobbin and mounting board thereof
A magnetic core assembly with coils therein has a substantially spherical or ellipsoidal main body defining a hollow space therein. A column is disposed in the main body so as to be aligned with a...
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7173508 |
Inductor device
An inductor device including a device body having a plurality of insulating layers; a plurality of conductive coil pattern units formed inside the device body between insulating layers along a...
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7170378 |
Magnetic core for high frequency and inductive component using same
A high-frequency core is a molded body obtained by molding a mixture of a soft magnetic metallic glass powder and a binder in an amount of 10% or less in mass ratio. The powder has an alloy...
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RE39453 |
Low profile inductive component
A low profile inductive component in accordance with the disclosure set forth here comprises a low profile body having spread apart soldering pads for electrically and mechanically attaching the...
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7138896 |
Ferrite core, and flexible assembly of ferrite cores for suppressing electromagnetic interference
Ferrite cores are provided with rounded, convex head ends and complimentary rounded, concave tail ends. The configuration of the head and tail ends permits a reduction in gap width between adjacent...
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