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8164410 |
Low-loss ferrite and electronic device formed by such ferrite
A low-loss ferrite comprising as main components 46.5-49.5% by mol of Fe2O3, 17-26% by mol of ZnO, 4-12% by mol of CuO, and 0.2% or more and less than 1.2% by mol of CoO, the balance being NiO, and...
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8130069 |
Distributed gap inductor apparatus and method of use thereof
The invention comprises an electrical system including at least an inductor configured to carry a magnetic field of less than about thirty Gauss/Oersted. The inductor comprises an inductor core...
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8082655 |
Integrated winding structure for a magnetic core
A method includes forming a winding structure from a single sheet of electrically conductive material, where the winding structure includes a winding base and multiple winding extensions extending...
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8072304 |
Noncontact power-transmission coil, portable terminal and terminal charging device, planar coil magnetic layer formation device, and magnetic layer formation method
A noncontact power-transmission coil is provided. The noncontact power-transmission coil includes a planar coil and a magnetic layer. The planar coil is formed by winding a linear conductor in a...
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8058963 |
Coil component and power-supply device provided therewith
The coil component includes a magnetic core 130 and conductors 210 and 220. The magnetic core 130 includes through-holes that are made by grooves 111 and 112. The conductors 210 and 220 are...
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8018315 |
Power converter employing a micromagnetic device
A power converter including a power train, a controller and a driver. The power train includes a switch that conducts for a duty cycle and provides a regulated output characteristic for the power...
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8004381 |
Laminated device
A laminated device comprising pluralities of magnetic ferrite layers, conductor patterns each formed on each magnetic ferrite layer and connected in a lamination direction to form a coil, and a...
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7999647 |
Apparatus, system, and method for an integrated winding structure for a magnetic core
An apparatus, system, and method are disclosed for combining multiple windings on a magnetic core. An integrated winding structure has a winding base and multiple winding extensions. The multiple...
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7978044 |
Transformer
A transformer includes a frame type iron core having plate-shaped magnetic members. At least one of the plate-shaped magnetic members has a large width and forms a magnetic circuit in which a...
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7965163 |
Reactor core and reactor
Provided is an annular reactor core formed of a U-shaped core and core legs. Core joints including end portions and two protrusions form the U-shaped core. Between the protrusions of these core...
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7920043 |
Planar magnetic device and power supply IC package using same
A planar magnetic device 1 includes a first magnetic layer 3 and a second magnetic layer 5 that are made of a mixture of a magnetic powder 7 and a resin, and a planar coil 4 disposed between the...
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7880576 |
Electromagnetic noise absorber
An electromagnetic noise absorber to be attached around an electric cable to attenuate noise transmitted through the electric cable. The electromagnetic noise absorber comprises a strip-like base...
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7880092 |
Multilayer ceramic electronic component
In a multilayer ceramic electronic component, a ferrite ceramic material defining a base layer includes bismuth. Meanwhile, surface layers arranged on main surfaces of the base layer have a...
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7861403 |
Current transformer cores formed from magnetic iron-based alloy including final crystalline particles and method for producing same
A current transformer core has a ratio of the core outside diameter Da to the core inside diameter Di of <1.5, a saturation magnetostriction λs of =|4| ppm, a circular hysteresis loop with ...
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7859379 |
Transformer core and its manufacturing method
It is possible to provide a transformer core which can be mounted on a coil having both ends connected to a substrate or the like and can simplify the step for arranging an adhesive layer and...
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7834731 |
Ferrite sheet
A ferrite sheet includes a ferrite sintered body capable of being in direct and sufficiently close contact with a signal cable and has good noise removal properties. The ferrite sheet includes a...
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7821371 |
Flat magnetic element and power IC package using the same
A planar magnetic device 1 including a first magnetic layer 3, a second magnetic layer 5, and a planar coil 4 disposed between the first magnetic layer 3 and the second magnetic layer 5, wherein...
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7810229 |
Tape core wire wiring apparatus
There is provided a tape core wire manufacturing apparatus that makes it possible to manufacture a large variety of tape core wires in small quantities with ease, and in addition, makes it easy to...
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7724119 |
Inductive rotary joint comprising polymer material
The invention relates to an inductive rotary joint having at least two component parts which each comprise a coil for introducing power and/or taking-up power. In order that the rotary joint may be...
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7629870 |
Process for the treatment of a thin brittle metal strip and magnetic components produced from a strip made of a nanocrystalline alloy
The invention concerns a treatment method which consists in coating at least one surface of a brittle thin metal strip (1) with a coating film (3, 3′) comprising at least a polymer material, to o...
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7626304 |
Stator and motor, to which the stator is applied, and method of manufacturing the stator
There is provided a stator in which a plurality of divided stators are annularly combined with each other, and each divided stator includes: a divided lamination iron core having teeth portion and...
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7609140 |
Molded body
There is provided a molded body having high fixing strength between a magnetic mold material and an external electrode. The molded body uses the magnetic mold material comprising at least 65 vol %...
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7608968 |
Dust core and method of manufacturing the same
A stator core includes first and second annular dust core pieces. Each of the first and second annular dust core pieces has a plurality of arcuate dust core pieces each integrally having a yoke...
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7589609 |
Multilayer inductor component
A multilayer inductor component has a multilayer part having a plurality of magnetic layers laminated therein and a conductor part arranged within the multilayer part. The magnetic layers are...
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7583173 |
Nanocrystalline core for a current sensor, single and double-stage energy meters and current probes containing them
A nanocrystallised tape-wound core without a localised airgap, consisting of a nanocrystalline material with the following atomic composition: [Fe1-aNia]100-x-y-z-a-β-γCuxSiyBzNbaM′βM″γ, wherein...
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7579723 |
Power magnetic core and stator core
A power magnetic core has a start section and a termination section. In the powder magnetic core, lines of magnetic force are formed from the start section to the termination section. The powder...
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7570145 |
Soft magnetism thin film inductor and magnetic multi-element alloy film
A magnetic multi-element alloy film adapted to be used in a high-frequency operation is provided. The magnetic multi-element alloy film is employed to improve a Q factor and an inductance value of...
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7554431 |
Multiphase induction device
An induction device having windings of different phases arranged around magnetic core limbs. The magnetic core limbs are connected by at least one body formed from magnetic particles in a matrix of...
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7541909 |
Filter circuit having an Fe-based core
A filter circuit is used to select frequency bands of digital and analog signals over communications channels in a DSL communications system. The filter circuit includes an inductor having a core...
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7527744 |
NiCuZn-base ferrites and electronic parts using the same
An NiCuZn-base ferrite of the invention comprises as main components an iron oxide in an amount of 45.0 to 49.0 mol % on Fe2O3 basis, an copper oxide in an amount of 5.0 to 14.0 mol % on CuO basis...
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7501925 |
Magnetic core using amorphous soft magnetic alloy
A magnetic core made of a mixed material including powder of an amorphous soft magnetic iron alloy and about 10% by volume or more of nonmagnetic inorganic powder, the amorphous soft magnetic iron...
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7471182 |
Core having superior end face insulation and method of treating core end faces to give insulation coating
A means for treating the end faces of a core which is used for an electrical apparatuses and etc., to give insulation extremely superior in effect of improvement of the insulation, corrosion...
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7445852 |
Magnetic substrate, laminate of magnetic substrate and method for producing thereof
A heat treatment was carried out in a pressurized condition on an amorphous metal ribbon containing Fe and Co as main components and being represented by the general formula:...
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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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7378036 |
Ferrite material and electronic component using the same
A ferrite material of the present invention is configured such that 0.05 to 1.0 wt % of bismuth oxide in terms of Bi2O3, 0.5 to 3.0 wt % of tin oxide in terms of SnO2, and 30 to 5000 wt ppm of...
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7378774 |
Laminated core of rotary electric machine
A laminated core having a first number of magnetic poles, the first number being a natural number divided by two, of a rotary electric machine, includes a plurality of arc-shaped unit cores each...
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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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7358844 |
Current transformer core and method for producing a current transformer core
A current transformer core has a ratio of the core outside diameter Da to the core inside diameter Di of <1.5, a saturation magnetostriction λs of =|4| ppm, a circular hysteresis loop with ...
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7295097 |
Energy saving system for a unit requiring electricity
An electrical energy saving device or a magnetic induction device is adapted to surround a power delivery line. The magnetic induction device applies a magnetic field region to the power delivery...
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7289013 |
Bulk amorphous metal inductive device
A bulk amorphous metal inductive device includes a magnetic core having at least one low-loss bulk ferromagnetic amorphous metal magnetic component forming a magnetic circuit having an air therein....
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7281315 |
High current inductor and the manufacturing method
An inductor with the characteristic of resisting high current comprising a conductor coil and a magnet envelope, the magnet envelope tightly wraps the periphery of the conductor coil and forms the...
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7265651 |
Inductive component and method for the production thereof
The invention relates to an inductive component (10) whose soft magnetic core (11) is produced by pouring a casting resin into a mold (1a) filled with a soft magnetic alloy powder and by...
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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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7235208 |
Dust core
A dust core consists essentially of ferromagnetic powder; and an insulating binder, in which the ferromagnetic powder is dispersed; wherein the insulating binder is a silicone resin comprising a...
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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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7183890 |
Magnetic induction device
An electrical energy saving device or a magnetic induction device is adapted to surround a power delivery line. The magnetic induction device applies a magnetic field region to the power delivery...
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7148767 |
Bead type noise filter
A bead type noise filter according to the present invention is constituted by a magnetic core 1 formed of Mn—Zn ferrite having its resistivity increased so as to improve a high frequency c...
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7118728 |
Method and apparatus for making ferrite material products and products produced thereby
A method for making ferrite powder may include providing ferrite feed materials in a form of particles having different sizes and irregular shapes, and exposing the ferrite feed materials to a...
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7106163 |
Core
An isolation transformer core having a coil and a core member made by injection molding a mixture containing 10 to 50±3 volume % of a soft magnetic material and the remainder being an insulating ...
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7042169 |
Gas discharge lamp base comprising an ignition device
A description is given of a gas-discharge lamp base (11) with a housing comprising an upper part (10) and a cover (40), a support (16) accommodated in the housing for receiving the components, with...
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