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| Number | Title | Issue Date |
| 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 0.03-1.4% by mass (as SnO2) of Sn b... | 04/24/2012 |
| 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 having a plurality of coated particles, each of a majority of the coated... | 03/06/2012 |
| 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 converter, and a micromagnetic device interposed between the switch an... | 09/13/2011 |
| 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 able to withstand even high mechanical load, at least one of the com... | 05/25/2010 |
| 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 obtain on the strip an adhering coat with a thickness ra... | 12/08/2009 |
| 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 formed from a ferrite material and an additive. The ferrite material conta... | 09/15/2009 |
| 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′βMâ... | 09/01/2009 |
| 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 a thin film inductor operated in high frequency. The design concept o... | 08/04/2009 |
| 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 a dielectric material. ... | 06/30/2009 |
| 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 that consists essentially of an Fe-base amorphous metal alloy. Advanta... | 06/02/2009 |
| 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 alloy being expressed by the following composition: Fe... | 03/10/2009 |
| 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 resistance, adhesiveness, heat resistance, and magnetic properties at a low... | 12/30/2008 |
| 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 contour of each ceramic bodies; and cutting the ceramic sheet into piec... | 06/24/2008 |
| 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 chromium oxide in terms of Cr2 | 05/27/2008 |
| 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 having a second number of magnetic poles, the second number being a nat... | 05/27/2008 |
| 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 regularly in a single layer around a core made of a magnetic material and ... | 05/20/2008 |
| 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 | 04/15/2008 |
| 7338573 | Magnetic substrates with high magnetic loading A method of forming a magnetic assembly having at least one magnetic layer having dimensions of thickness, width and length, and at least one printable substrate layer having dimensions of thickness, width and length, including the steps of providing a molten magnet... | 03/04/2008 |
| 7300615 | High frequency transformers and high Q factor inductors formed using epoxy-based magnetic polymer materials An electrical component in the form of an inductor or transformer is disclosed which includes one or more coils and a magnetic polymer material located near the coils or supporting the coils to provide an electromagnetic interaction therewith. The magnetic polymer m... | 11/27/2007 |
| 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 line to reduce amperage up to about 25%. The magnetic induction device... | 11/13/2007 |
| 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. The component has a plurality of similarly shaped layers of amorphou... | 10/30/2007 |
| 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 main body of the inductor, and the two extending parts of the conduct... | 10/16/2007 |
| 7263761 | 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. The inductor coil is formed from a flat plate which is cut into a sine-shaped configuration and then is folded in accordion fashion to create a h... | 09/04/2007 |
| 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 subsequently hardening the casting resin with the a... | 09/04/2007 |
| 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 insulating material between the two layers of conductive material, wh... | 08/21/2007 |
| 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 trifunctional alkyl-phenyl silicone resin and optionally containing an ... | 06/26/2007 |
| 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 % and an electrical resistivity of at least 104 Ω·cm. W... | 05/22/2007 |
| 7196607 | Embedded toroidal transformers in ceramic substrates Method for forming a transformer (118) in a ceramic substrate. The method can include the steps of forming at least one conductive coil (119a, 119b) comprising a plurality of turns about an unfired ceramic toroidal core region (... | 03/27/2007 |
| 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 line to reduce amperage up to about 25%. The magnetic induction device... | 02/27/2007 |
| 7173509 | 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 resistance, adhesiveness, heat resistance, and magnetic properties at a low... | 02/06/2007 |
| 7170367 | Inductive coupler for power line communications There is provided an inductive coupler for coupling a data signal to a power line. The inductive coupler includes a split magnetic core having an aperture formed by an upper magnetic core and a lower magnetic core. The aperture permits the power line to pass thereth... | 01/30/2007 |
| 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 characteristic, and having its permittivity lowered, and thereby can s... | 12/12/2006 |
| 7145427 | Coil component and method of manufacturing the same There is provided a common mode choke coil whose impedance value can be easily adjusted by changing the thickness of an insulation layer for impedance value adjustment appropriately. An insulation layer for impedance value adjustment is formed throughout a principal... | 12/05/2006 |
| 7137845 | Plug connector A plug connector consisting of a female plug and a male plug comprises a plurality of signal contacts that are combined into an assembly, and a plurality of power contacts that likewise are combined into an assembly. The power contact assembly has a housing provided... | 11/21/2006 |
| 7135949 | Transformer or inductor containing a magnetic core having abbreviated sidewalls and an asymmetric center core portion An inductor or transformer for mounting on a PCB has a two-part magnetic core structure and at least one coil wound on a bobbin. Each core part has a backwall and an abbreviated outer skirt extending from the backwall and an asymmetric center core element extending ... | 11/14/2006 |
| 7128798 | Magnetic substrates, composition and method for making the same A process of making a magnetic assembly having at least one magnetic layer and at least one printable substrate layer including the steps of providing a magnetic composition comprising about 70 wt-% to about 95 wt-% of at least one magnetic material and about 5 wt-%... | 10/31/2006 |
| 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 plasma to provide a more spherical shape to irregularly shaped particles ... | 10/10/2006 |
| 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 material having an electrical insulating property. ... | 09/12/2006 |
| 7074071 | Plug connector A plug connector consisting of a female plug and a male plug comprises a plurality of signal contacts that are combined into an assembly, and a plurality of power contacts that likewise are combined into an assembly. The power contact assembly has a housing provided... | 07/11/2006 |
| 7068137 | Strain-relieving wire lead-in A coil bobbin (10) that comprises a housing (12) with an interior (13) and including a floor (14) with at least one electrical lead-in (16) projecting through an aperture (15) in the floor. The lead-in (16) has one en... | 06/27/2006 |
