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JP2006278432 |
To provide a magnetic core which will not suffer from internal defects such as cracks, even if a non-magnetic layer is formed thick and is reduced in internal residual strain due to burning shrinkage percentage and shrinkage behavior, an...
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JP2006245950 |
To provide a magnetic core member by which antenna communication property can be improved by suppressing electromagnetic interference without requiring a metallic shield plate.The magnetic core member 18 consists of a magnetic path formi...
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JP2006245056 |
To further enhance flux density, in a soft magnetic material having a dust core body produced by compression molding magnetic powder subjected to surface insulation treatment.The soft magnetic material comprises a dust core body 10A capa...
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JP3841457 |
PURPOSE: To reduce a magnetism loss and a manufacturing cost by consisting of the fixed core by a magnetic material, a magnetized coil and the armature for starting a valve and sintering the fixed core after pressing the mixture of powde...
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JP3836956 |
To facilitate the smooth rotation and the adjusting operation of a ferrite core, and to prevent breakage, by a method wherein the ferrite core has a fluororesin film and the fluororesin film is formed by tetrafluoro-echylene. Tetrafluoro...
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JP3814776 |
To provide a common mode choke coil which is small and has less turns while a single of which covers a wide frequency band. A closed magnetic circuit magnetic core 2 is divided parallel to its magnetic path, comprising first split magnet...
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JP3812831 |
To provide a method of manufacturing ferrite core which provides the density and strength of sintered body without the deterioration of characteristic and also to provide the same ferrite core. The ferrite core is formed of the ferrite p...
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JP2006128401 |
To provide a coil core material capable of reducing the concentration of stress acting on a covered lead wire, a manufacturing method therefor, and a vibration generator provided with the coil core material.A core 11 is configured to be ...
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JP2006128521 |
To provide soft magnetic metal powder which has an excellent compressibility and a high insulation.The entire or partial surface of each of atomized alloy particles having an oxide of an alloy component is coated with an insulating layer...
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JP2006108559 |
To provide a wire rod for core capable of realizing low iron loss, high flux and high permeability while facilitating production, and to provide its production process, a core and its production process.The core 25 has a columnar portion...
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JP2006100958 |
To reduce man-hour of core assembling work.The antenna core 10 comprising a thin stripe ribbon 20 composed of a magnetic material, and a bobbin 30 for winding the ribbon 20 further comprises a stopper 32 provided previously on the ribbon...
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JP3786854 |
To provide a laminated core manufacturing method which simply carries out the lamination and turnable uniting of split pole core pieces, and constantly forms a united portion even out of thin metal boards. Each first split pole core piec...
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JP2006075885 |
To provide a method of rolling a hot rolled steel strip for grain-oriented silicon steel and a method of producing a grain-oriented silicon steel sheet where edge cracks can be prevented effectively.In the method of producing a hot rolle...
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JP3771224 |
To provide amorphous soft magnetic alloy powder which has high saturation magnetization and low core loss and which is almost spherical and manufactured by water atomization method, and to provide a green compact core and radio wave abso...
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JP2006045660 |
To provide an Fe-based amorphous alloy thin strip having a higher saturated magnetic flux density than conventional one, being fully stress-relaxed by relatively shorter time in heat treatment, and having more improved soft magnetic char...
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JP3768094 |
To provide an amorphous transformer, with which disassembly and efficiency in repair or recycling are improved by enabling an iron core to be removed all together in a standing state, not a laid position, by eliminating the step of bondi...
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JP3768084 |
To provide a magnetic material for hard disk voice coil motor yoke with which leaked magnetic flux is eliminated, and all the characteristics of the high magnetic flux density of a permanent magnet can be made the most of. An alloy conta...
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JP2006019322 |
To provide a magnetic circuit wherein the breakage of an adhesive layer due to a difference in coefficient of thermal expansion between a magnet and a yoke can be prevented.The magnetic circuit has incorporated an R-Fe-B (R: element sele...
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JP2005347641 |
To provide a method for manufacturing a soft magnetic compacted body of low loss and excellent DC convolution characteristics.Insulating particles are dispersed on the soft magnetic particle surface having a particle size distribution wh...
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JP3748055 |
To provide an inexpensive magnetic circuit which does not require the formation of a corrosion resistant metallic film. An iron alloy sheet material for a voice coil motor magnetic circuit yoke consists of a iron alloy having a compositi...
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JP2005328074 |
To provide a power coil which contains a magnetic core material making the saturation level reduced, when operating on a high direct current and high operating frequency.The power coil has a first magnetic core material with first and se...
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JP2005328694 |
To reduce influences of burrs in respective layer members of a motor, eliminating excess complication in a manufacturing process of the motor and not requiring an additional cost.This magnetic circuit with a low reluctance flux path is e...
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JP2005322800 |
To provide a dust core which enables a coil to be fixed without damages and exhibits the desired magnetic characteristics, and to provide its manufacturing method.A stator core is formed by jointing a plurality of soft magnetic particles...
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JP2005317674 |
To provide a core for an antenna and a coil antenna which are excellent in impact resistance and manufacturability, and are inexpensive.The coil antenna for transmission includes a core 1 made from an insulating soft magnetic material, a...
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JP2005307291 |
To provide an amorphous soft-magnetic alloy powder and a flat amorphous soft-magnetic alloy powder which have improved permeability and direct-current-superimposed characteristics while keeping core loss low, and to provide a compacted c...
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JP3734173 |
To enable a deflection by a required high-perveance beam by limiting an eddy current induced at a beam line to a restrictive value. A deflection device for a high-perveance ion beam is made to have a magnetic structure acting at a fundam...
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JP2005294319 |
To provide a sintered material having a high dimensional accuracy in an entire sintered material in the sintered material which has a U shape and in which a groove is formed.A compression molded product has the U shape in which two first...
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JP2005294602 |
To improve superposing property in an inductance element equipped with a coil having portions different in number of winding.The inductance element is provided with an annular coil, magnetic path material and a magnetic gap. The annular ...
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JP2005285852 |
To provide a laminated core comprising blanked steel plates with plural kinds of external diameters having a constitution suitable for an automatic blanking process by a progressive pressing apparatus, and also to provide its manufacturi...
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JP2005264260 |
To provide a soft magnetic yoke material using a soft magnetic metal glass material having high saturated magnetic flux density and magnetic permeability, and to provide an electromagnetic actuator using the soft magnetic yoke material.T...
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JP2005262803 |
To acquire a magnetic property required for a high-speed printing with suppressing the decline of assembling accuracy and preventing the generation of rust at the yoke as well as the decline of the magnetic property.The yoke is formed by...
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JP2005261189 |
To improve the performance of an electric motor by reducing eddy current loss.A stator core assembly to be used for an electrical appliance is provided. The stator core assembly includes a plurality of core members. Each core member form...
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JP2005243895 |
To provide powder for a pressed powder core which is improved in the inherent resistance of material and reduced in the retaining power thereof, and the pressed powder core employing the powder.The powder for the pressed powder core is c...
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JP3714662 |
To expand applications of dust core material including, e.g. suitable use as the material of a motor rotor utilizing a reluctance torque. In the method for manufacturing a dust core by mixing metallic magnetic powder having particles eac...
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JP3711248 |
To provide a welded iron core for motor or transformer that is excellent in iron loss characteristic. This welded iron core having a superior iron loss characteristic is constituted by laminating magnetic steel sheets adjusted to prescri...
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JP2005213621 |
To provide a soft magnetic material which shows superior magnetic properties regardless of applied frequencies, and to provide a powder magnetic core produced from the soft magnetic material.The soft magnetic material comprises metallic ...
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JP2005217280 |
To provide a ferrite core for which core-less grinding of extremely high working efficiency can be adopted and which can be stably mounted on a circuit board, in the ferrite core having flanges at both ends and a body, to provide a surfa...
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JP2005191583 |
To provide a low loss bulk type amorphous metal magnetic component formed of an amorphous metal strip of plural layers and having a polyhedral shape.A bulk type amorphous metal magnetic component has a plurality of layers of an amorphous...
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JP2005191011 |
To provide the heavy ion implanting instrument of both a continuous hybrid type and a batch type using a magnetic scan system operated at a frequency from 20Hz to 300Hz condition.A deflection apparatus for a high perveance ion beam, whic...
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JP3695295 |
To provide a choke coil in which magnetic saturation phenomenon is less likely to be caused and which the coil height can be lowered. The choke coil 10 is provided with a magnetic material bobbin 12, winding wires 26 and 28 and a magneti...
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JP2005183926 |
To provide an ignition coil whose diameter can be downsized, holding the ignition performance.The ignition coil 1 is equipped with a center core 20, a permanent magnet 21, a secondary spool 22, a secondary coil 23, a primary spool 24, a ...
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JP2005183041 |
To provide a magnetic substance core high in density of amorphous magnetic alloy thin bands and in shape uniformity, and hardly causing deviation from a design value of a magnetic characteristic of the magnetic substance core after being...
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JP2005183967 |
To provide a coated electromagnet which can be manufactured realizing improved coating especially applicable for air gap filling.The electromagnetic device is used especially for an electric switching apparatus. The electromagnetic devic...
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JP2005183928 |
To provide an electric power coil for reducing the saturation of a direct current.The electric power coil is equipped with a first magnetic core material having first and second ends. An inner cavity is formed on the first magnetic core ...
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JP2005183515 |
To provide an ignition coil capable of preventing a crack generated in an insulating resin filled by the repetitive working of thermal stress.In the ignition coil, a transformer 10 is formed of a center core 3 on which a primary coil 1 a...
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JP2005176595 |
To simplify a structure and suppress an increase in NVH (noise, vibration and harshness in operation).An electromagnetic valve actuator system is provided with a reciprocating valve having a valve stem 42 with a valve head 44 at one end,...
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JP2005150425 |
To provide a core for transformer which is high in inductance and small in the tolerance of inductance while being reduced in harmonic distortion or in a total harmonic distortion (THD) especially, and to provide the manufacturing method...
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JP2005150284 |
To provide an inductance element which is easily managed, and is set to a correct value.The inductance element comprises a drum core 20 around which a winding is wound, and a ring core 11 which surrounds the periphery of the drum core 20...
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JP3682642 |
To obtain an non-reciprocal circuit element which can have more components integrated, facilitate a complicated assembling process, and improve productivity and reliability. This non-reciprocal circuit element is equipped with a stack bo...
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JP2005139943 |
To improve chemical resistance and thermal resistance of a core for an electromagnet used for liquefied fuel injector or the like.The core is formed with using polyimide resin having thermally and chemically stable molecular structure as...
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