Entries |
Document | Title | Date |
20090026409 | Rubber composition for magnetic encoder and magnetic encoder using the same - The invention provides a rubber composition for a magnetic encoder being excellent in durability such as heat resistance, oil resistance and chemical resistance, having high magnetic characteristics and being excellent in processability and a magnetic encoder using the rubber composition. The magnetic rubber composition for the magnetic encoder includes a fluorinated rubber with a Mooney viscosity (ML1+10, 121° C.) of 20 to 100 and a magnetic powder, and the magnetic powder is blended in a proportion of 230 to 1900 parts by weight relative to 100 parts by weight of the fluorinated rubber. The magnetic encoder is provided by vulcanizing and molding the rubber composition. | 01-29-2009 |
20090039309 | MAGNETORHEOLOGICAL ELASTOMER COMPOSITES AND USE THEREOF - Magnetorheological elastomer composites comprising at least one thermoplastic elastomer which forms a thermoplastic matrix and magnetisable particles which are contained therein, the elastomer matrix containing at least 10% by weight of plasticiser, relative to the thermoplastic elastomer. | 02-12-2009 |
20090057604 | Man-made material presenting magnetic response at different frequencies - A man-made magnetic material presenting magnetic response at different frequencies is made from non-magnetic conductive metal and formed in a four-way symmetrical structure consisting of four L-shaped units. A plurality of the four-way symmetrical structures is arranged to form a periodic array. The four-way symmetrical structure is formed at a size much smaller than the wavelength of incident light. Hence it is treated as an effective uniform medium in terms of the incident light. Such a novel planar structure can generate magnetic response in a wide range of bandwidth. The frequency band capable of generating the magnetic response also can be regulated and altered through control of the structural size. | 03-05-2009 |
20090057605 | FINE, COATED METAL PARTICLES AND THEIR PRODUCTION METHOD - A method for producing fine, coated metal particles comprising the steps of mixing Ti-containing powder except for Ti oxide powder with oxide powder of a metal M, an M oxide having a standard free energy of formation meeting the relation of ΔG | 03-05-2009 |
20090090886 | Single-crystalline hematite rhombohedra and magnetic nanocomposites of iron and magnetite and methods of making same - The present invention relates to nanostructures, in particular to hematite rhombohedra and iron/magnetite nanocomposites, and methods of making same. | 04-09-2009 |
20090095938 | APPARATUS FOR PRODUCING ALLOY AND RARE EARTH ELEMENT ALLOY - The object of the present invention is to provide an apparatus for producing an alloy, including: a casting device which casts a molten alloy using the strip cast method; a crushing device which crushes the cast alloy after casting; and a heating device which keeps the thin laminas of the cast alloy after crushing at a predetermined temperature or which heats the thin laminas of the cast alloy after crushing, wherein the heating device is equipped with a container and a heater. | 04-16-2009 |
20090127494 | RARE EARTH ALLOY BINDERLESS MAGNET AND METHOD FOR MANUFACTURE THEREOF - A method for producing a rare-earth alloy based binderless magnet according to the present invention includes the steps of: (A) providing a rapidly solidified rare-earth alloy magnetic powder; and (B) compressing and compacting the rapidly solidified rare-earth alloy magnetic powder by a cold process without using a resin binder, thereby obtaining a compressed compact, 70 vol % to 95 vol % of which is the rapidly solidified rare-earth alloy magnetic powder. | 05-21-2009 |
20090127495 | SmCo-BASED MAGNETIC FINE PARTICLES, MAGNETIC RECORDING MEDIUM AND PROCESS FOR PRODUCTION OF MAGNETIC RECORDING MEDIUM - The invention provides weather-resistant SmCo-based magnetic fine particles and a magnetic recording medium with both weather resistance and high recording density. The SmCo-based magnetic fine particles of the invention include SmCo-based nanoparticles and a hydrophobic polymer covering at least part of the surfaces of the SmCo-based nanoparticles. The magnetic recording medium of the invention also has a magnetic layer comprising at least SmCo-based magnetic fine particles and a hydrophobic binder, wherein the SmCo-based magnetic fine particles include SmCo-based nanoparticles and a hydrophobic polymer covering at least part of the SmCo-based nanoparticle surfaces. | 05-21-2009 |
20090134354 | Conducting Fluid Containing Micrometric Magnetic Particles - The invention relates to a composite material formed by microparticles of magnetic material A and a conductive liquid B. | 05-28-2009 |
20090152489 | Composition for producing soft magnetic composites by powder metallurgy - The invention concerns powder compositions consisting of electrically insulated particles of a soft magnetic material of an iron or iron-based powder and 0.1-2% by weight of a lubricant selected from the group consisting of fatty acid amides having 14-22 C atoms. Optionally a thermoplastic binder such as polyphenylene sulphide may be included in the composition. The invention also concerns a method for the preparation of soft magnetic composite components. | 06-18-2009 |
20090173907 | Conducting Fluid Containing Millimetric Magnetic Particles - The invention relates to a composite material formed by millimeter-scale particles of magnetic material A and a conductive liquid B. | 07-09-2009 |
20090173908 | Magnetorheological Elastomers (MREs) with Polynorbornene as a Carrier Medium, Processes for Producing Such Elastomer Composites and Their Use - The invention relates to composites made of an elastic carrier medium comprising polynorbornene (PNR) and magnetisable particles which are polarised reversibly in a magnetic field. Thus the mechanical properties, such as e.g. storage modulus G′ (describes the elastic behaviour or the energy storage) and loss modulus G″ (describes the viscous behaviour or the energy dissipation), of such elastomer composites can be increased rapidly and reversibly within wide limits (up to approx. two orders of magnitude) as a function of an external magnetic field. Wide-ranging application possibilities are produced herefrom, e.g. for adaptive damping systems, in which the damping force can be adjusted via the strength of the magnetic field. | 07-09-2009 |
20090184281 | METHOD OF FORMING NON-STOICHIOMETRIC NANOSCALE POWDER COMPRISING TEMPERATURE-PROCESSING OF A STOICHIOMETRIC METAL COMPOUND. - Nanotechnology methods for creating stoichiometric and non-stoichiometric substances with unusual combination of properties by lattice level composition engineering are described. The modified properties described include electrical conductivity, dielectric constant, dielectric strength, dielectric loss, polarization, permittivity, critical current, superconductivity, piezoelectricity, mean free path, curie temperature, critical magnetic field, permeability, coercive force, magnetostriction, magnetoresistance, hall coefficient, BHmax, critical temperature, melting point, boiling point, sublimation point, phase transformation condition, vapor pressure, anisotropy, adhesion, density, hardness, ductility, elasticity, porosity, strength, toughness, surface roughness, coefficient of thermal expansion, thermal conductivity, specific heat, latent heat, refractive index, absorptivity, emissivity, dispersivity, scattering, polarization, acidity, basicity, catalysis, reactivity, energy density, activation energy, free energy, entropy, frequency factor, bioactivity, biocompatibility, thermal coefficient of any property and pressure coefficient of any property. | 07-23-2009 |
20090242826 | HIGH-FREQUENCY MAGNETIC MATERIAL AND METHOD OF MANUFACTURING THE SAME - To provide a high-frequency magnetic material having a superior radio wave absorption property in a high frequency region and a method of manufacturing the same. The high-frequency magnetic material and the method of manufacturing the same includes a magnetic substance containing metal nanoparticles, the metal nanoparticles are magnetic metals containing at least one kind of Fe, Co, and Ni, an average particle diameter of the metal nanoparticles is equal to or less than 200 nm, first clusters having network-like structures with continuous metal nanoparticles and the average diameter equal to or less than 10 μm are formed, second clusters having network-like structures with the continuous first clusters and the average diameter equal to or less than 100 μm are formed, and the entire magnetic substance has a network-like structure with the continuous second clusters. | 10-01-2009 |
20090267017 | FLAT SOFT MAGNETIC MATERIAL AND PROCESS FOR ITS PRODUCTION - A flat soft magnetic material to be used for a noise-suppressing magnetic sheet, wherein the 50% particle size D | 10-29-2009 |
20090314981 | FERRITE SINTERED MAGNET - A sintered ferrite magnet having a ferrite phase with a hexagonal structure as the main phase, wherein the composition of the metal elements composing the main phase is represented by the following general formula (1): | 12-24-2009 |
20100001226 | Sheet-like soft magnetic material and production method thereof - The present invention is to impart, to a sheet-like soft magnetic material, a configuration in which sheet thickness change is suppressed and in which fluctuation in magnetic permeability is small even under a high-temperature or a high-temperature, high-humidity environment, even when a plurality of thin curable soft magnetic sheets produced by a coating method are laminated. The sheet-like soft magnetic material is formed from a soft magnetic composition which is formed by mixing at least a flat soft magnetic powder, an acrylic rubber, an epoxy resin, a curing agent for the epoxy resin, and a solvent. The flat soft magnetic powder is arranged in an in-plane direction of the sheet-like soft magnetic material. An acrylic rubber having a glycidyl group is used for the acrylic rubber. The weight ratio of the flat soft magnetic powder with respect to the total amount of the acrylic rubber, the epoxy resin, and the curing agent for the epoxy resin is 3.7 to 5.8. | 01-07-2010 |
20100032609 | METHOD OF MAKING DENDRITIC MAGNETIC NANOSTRUCTURES - Magnetic nanostructures comprised of an assembly of magnetic nanorods held together by dipole forces in a dendritic pattern and their method of manufacture. The dendritic magnetic nanostructures are prepared at room temperature by applying a magnetic field to a reverse micelle system wherein at least one salt of a magnetic metal is being precipitated within the core of the reverse micelle. | 02-11-2010 |
20100038580 | SOFT MAGNETIC POWDER - A powder magnetic core is provided for operating at high frequencies that is obtained by pressure forming an iron-based magnetic powder covered with an insulation film, which has a specific resistance less than 1000, preferably less than 2000, and most preferably less than 3000 μm, and a saturation magnetic flux density B above 1.5, preferably above 1.7, and most preferably above 1.9 (T). A method for the preparation of such cores as well as a powder which is suitable for the preparation also are provided. | 02-18-2010 |
20100044618 | SOFT MAGNETIC MATERIAL, DUST CORE, METHOD FOR MANUFACTURING SOFT MAGNETIC MATERIAL, AND METHOD FOR MANUFACTURING DUST CORE - A soft magnetic material, a dust core, a method for manufacturing the soft magnetic material, and a method for manufacturing the dust core that can improve DC bias characteristics are provided. | 02-25-2010 |
20100155650 | Amidine-carboxylic acid complex, briged polynuclear complex derived therefrom, production methods therefor, and use for preparing supported metal or metal oxide clusters - An amidine-carboxylic acid complex in accordance with an aspect of the invention has an amidine ligand and a carboxylic acid ligand that are coordinated to one metal atom or a plurality of metal atoms of the same element. A multiple-complex-containing compound, i.e. a bridged polynuclear complex, in accordance with the aspect of the invention is formally derived from two or more such amidine-carboxylic acid complexes, linked by a polyvalent carboxylic acid ligand. The bridged polynuclear complex may be used in a production method to support metal (oxide) clusters on a porous support by impregnating these with a solution thereof, followed by drying and firing. | 06-24-2010 |
20100163778 | SIMPLE METHOD FOR INTRODUCING MAGNETIC PARTICLES INTO A POLYMER - The present invention provides a simple method for introducing magnetic particles into a polymer for further preparing a magnetic polymer, the method using the capability of polymer to absorb Fe | 07-01-2010 |
20100171064 | NANOPARTICLES, CONDUCTIVE INK AND CIRCUIT LINE FORMING DEVICE - A nanoparticle for conductive ink including a ferromagnetic core and a conductive layer surrounding the ferromagnetic core. The ferromagnetic core is 5 to 40 parts by weight, per 100 parts by weight of the nanoparticles. The conductive ink provides electrical reliability by allowing a uniform distribution of nanoparticles in ejected ink and prevents the coffee stain phenomenon and migration. | 07-08-2010 |
20100181522 | MAGNETIC COMPOSITE POWDERS, PREPARING METHOD THEREOF AND ELECTROMAGNETIC NOISE SUPPRESSING FILMS COMPRISING SAME - This invention relates to a magnetic composite powder, a method of preparing the same and an electromagnetic noise suppressing film comprising the same. The magnetic composite powder and the electromagnetic noise suppressing film can effectively suppress unwanted electromagnetic waves emitted by various parts of an advanced digital device having high performance characteristics in terms of speed, frequency and functionality. | 07-22-2010 |
20100193727 | FUNCTIONALIZED NANO-CARBON MATERIALS AND METHOD FOR FUNCTIONALIZING NANO-CARBON MATERIALS THEREOF - A method of functionalizing nano-carbon materials with a diameter less than 1 μm, comprising: contacting the nano-carbon materials with a free radical generating compound such as azo-compound in an organic solvent under an inert gas atmosphere, thereby obtaining nano-carbon materials with functional groups thereon. The physical and chemical properties of the nano-carbon materials can be modified through the aforementioned method. | 08-05-2010 |
20100224822 | INSULATED IRON-BASE POWDER FOR SOFT MAGNETIC APPLICATIONS - The present invention relates to ferromagnetic powders with an electrically insulating layer on iron particles intended for the manufacture of components having improved soft magnetic properties at low and medium frequencies. The invention comprises an iron powder coated with a dielectric insulating layer comprising boron bearing compounds to form an insulated ferromagnetic powder. The present invention also relates to a method of making these insulated ferromagnetic powders. The present invention further relates to a method of synthesizing a product made from insulated ferromagnetic powders via a post-heat treatment at a moderate temperature (300° C. to 700° C.), to form a glass-like coating which acts as an electrical insulator. A preferred embodiment of the present invention is obtained when small amounts of alkali bearing compounds are added to the precursors to modify the coating chemistry and significantly increase the electrical resistivity after heat treatment. | 09-09-2010 |
20100237272 | METHODS OF GROWING HETEROEPITAXIAL SINGLE CRYSTAL OR LARGE GRAINED SEMICONDUCTOR FILMS AND DEVICES THEREON - A method is disclosed for making semiconductor films from a eutectic alloy comprising a metal and a semiconductor. Through heterogeneous nucleation said film is deposited at a deposition temperature on relatively inexpensive buffered substrates, such as glass. Specifically said film is vapor deposited at a fixed temperature in said deposition temperature where said deposition temperature is above a eutectic temperature of said eutectic alloy and below a temperature at which the substrate softens. Such films could have widespread application in photovoltaic and display technologies. | 09-23-2010 |
20100243946 | METHODS OF MAKING HIGH RESISTIVITY MAGNETIC MATERIALS - A method to make a high resistivity permanent magnetic material comprising a non-conductive phase and a permanent magnetic phase microstructure, is disclosed. The method comprises the steps of, (a) disposing at least one layer comprising a non-conductive powder and at least one layer comprising a permanent magnetic powder adjacent to each other to obtain a multilayer, (b) compressing the multilayer, and (c) sintering the multilayer. A method to make a high resistivity soft magnetic material comprising a microstructure comprising a bulk metallic glass phase and a soft magnetic crystalline metal phase, is also disclosed. | 09-30-2010 |
20100243947 | METHOD FOR PRODUCING MAGNETIC MICROPARTICLES, MAGNETIC MICROPATICLES OBTAINED THEREFROM, MAGNETIC FLUID, AND METHOD FOR PRODUCING MAGNETIC PRODUCT - It is an object to provide a method for producing magnetic microparticles, which produces monodispersed magnetic microparticles, causes no clogging with a product due to self-dischargeability, requires no great pressure, and is excellent in productivity. In the method for producing magnetic microparticles, at least two fluids are used, and at least one kind of the fluids is a fluid containing at least one kind of magnetic raw material, and at least one kind of the fluids other than the above fluid is a fluid containing at least one kind of a magnetic microparticles-separating agent, and the respective fluids join together in a thin film fluid formed between two processing surfaces arranged to be opposite to each other so as to be able to approach to and separate from each other, at least one of which rotates relative to the other, whereby magnetic microparticles are separated in the thin film fluid to obtain the magnetic microparticles. | 09-30-2010 |
20100264358 | IN-SITU GROWTH OF MAGNETIC METAL NANOPARTICLES IN A MATRIX - Provided is a method for in-situ coating a substrate or matrix with magnetic metal nanoparticles. A metal salt, which may be organic or inorganic, is introduced into a solution of liquid polyol. In the presence of mechanical stirring and heat, a reduction process occurs wherein the magnetic metal nanoparticles precipitate out of solution and deposit or attach to one or more surfaces of the substrate. The concentration of reaction precursors, combined with the polyol, may be varied to control the size and shape of the magnetic nanoparticles. | 10-21-2010 |
20100276627 | NEW INTERMETALLIC COMPOUNDS, THEIR USE AND A PROCESS FOR PREPARING THE SAME - The present invention relates to new intermetallic compounds having a crystalline structure of Ni | 11-04-2010 |
20100294978 | METAL/INSULATOR NANOGRANULAR MATERIAL AND THIN-FILM MAGNETIC SENSOR - The present invention provides a metal/insulator nanogranular material including:
| 11-25-2010 |
20110001079 | METHOD FOR PRODUCING NANOPARTICLES FOR MAGNETIC FLUIDS BY ELECTRON-BEAM EVAPORATION AND CONDENSATION IN VACUUM, A MAGNETIC FLUID PRODUCING METHOD AND MAGNETIC FLUID PRODUCED ACCORDING TO SAID METHOD - The invention relates to producing magnetic fluids and to novel material synthesis. The inventive method for producing nanoparticles for magnetic fluids by electron-beam evaporation and condensation in vacuum consists in evaporating an initial solid material and in fixing nanoparticles of this material on a cooled substrate by means of a solidifiable carrier during vapour condensation, wherein a solid inorganic magnetic material, which is selected from a group containing metals, alloys or oxides thereof, is used as an initial material and a solid liquid-soluble material is used as a carrier material for fixing nanoparticles of the magnetic material. The method further consists in simultaneous evaporating the initial material and carrier composition, in which the carrier concentration ranges from 99 to 70%, by electron-beam heating. The vapour is deposited on the substrate, the temperature of which is set and maintained at a specified value, which is lower than the melting point of the carrier material, and the condensate of magnetic material nanoparticles, which have specified size and are fixed in the solid carrier, is produced. The particle size is adjusted by setting the specified temperature of the substrate during vapour deposition. A solid inorganic material, which is selected from a group containing salts of alkali and alkali-earth metals and mixtures thereof is used in the form of a carrier material used for fixing nanoparticles. The nanoparticles are extracted from the above-mentioned condensate by diluting it in at least one type of liquid, and by stabilizing by a surface-active agent. A method for producing a magnetic fluid, which contains magnetic material nanoparticles of the specified size, is also described, in which it is produced by dissolution in at least one fluid of the condensate of magnetic material nanoparticles of the specified size fixed in the solid carrier, which nanoparticles are produced by simultaneous electron beam evaporation with subsequent deposition on the substrate, the temperature of which is set and maintained at a certain level below the temperature of the carrier material melting, of a composition of solid inorganic magnetic material selected from a group, which includes metals, alloys and their oxides, and of a solid carrier soluble in the fluid, which fixes the nanoparticles, and which is selected from a group of inorganic materials, including the salts of alkali, alkaline-earth metals and their mixtures, and stabilization of the nanoparticles in the above fluid by a surface-active agent. | 01-06-2011 |
20110006246 | FERROMAGNETIC POWDER COMPOSITION AND METHOD FOR ITS PRODUCTION - A ferromagnetic powder composition is described comprising soft magnetic iron-based core particles, wherein the surface of the core particles is provided with a first inorganic insulating layer and at least one metal-organic layer, located outside the first layer, of a metal-organic compound having the following general formula: (R | 01-13-2011 |
20110031432 | MECHANICAL IMPROVEMENT OF RARE EARTH PERMANENT MAGNETS - A process for mechanically strengthening a permanent magnet includes providing nanofibers or nanotubes, providing a ferromagnetic metal, defining a mixture by mixing the ferromagnetic metal with the nanofibers or nanotubes and sintering the mixture. | 02-10-2011 |
20110101263 | SOLVENT-DISPERSIBLE PARTICLE, FABRICATION METHOD THEREOF, AND DISPERSION - A multi-component alloy particle containing at least two metal components and at least one surface modifier contacting the metal components where in the multi-component alloy particle atoms of the metal components are arranged in an ordered manner, and the multi-component alloy particle is ferromagnetic and disperses in a solvent. Method for making the multi-component alloy particle. | 05-05-2011 |
20110133112 | FERROMAGNETIC COMPOUND MAGNET - A ferromagnetic compound magnet in accordance with the present invention includes a ferromagnetic compound based on a binary alloy containing R—Fe system (R is a 4f transition element or Y) or a ternary allay containing R—Fe-T system (R is a 4f transition element or Y, and T is a 3d transition element except for Fe, or Mo, Nb or W), the ferromagnetic compound being characterized by: atomic percentage of the element R to the element Fe or to the elements Fe and T is 15% or lower; an element F is incorporated into an interstitial position in a crystal lattice of the alloy. The ferromagnetic compound is expressed in a chemical formula of: R | 06-09-2011 |
20110140031 | Article for Use in Magnetic Heat Exchange, Intermediate Article and Method for Producing an Article for Use in Magnetic Heat Exchange - Article for use in magnetic heat exchange, intermediate article and method for producing an article for use in magnetic heat exchange | 06-16-2011 |
20110147642 | METHOD OF PRODUCING MAGNETIC POWDER FOR MAGNETIC RECORDING MEDIUM - A magnetic powder for magnetic recording medium comprises acicular particles constituted primarily of Fe, wherein the powder contains Co in an amount such that the Co/Fe ratio is 50 at. % or less and the Co is contained in a manner such that the surface portion has a higher concentration than the core portion of the particles, and upon subjecting the magnetic powder for magnetic recording medium to TG measurement, the powder exhibits at least two oxidation starting points: a low-temperature side oxidation starting point and a high-temperature side oxidation starting point. The magnetic powder achieves improved resistance to oxidation without sacrificing magnetic characteristics. | 06-23-2011 |
20110163256 | METHOD FOR MANUFACTURING A METAL COMPOSITE COMPONENT, IN PARTICULAR FOR AN ELECTROMAGNETIC VALVE - A method for manufacturing a metal composite component is characterized in that the composite component ( | 07-07-2011 |
20110168938 | MULTIPLE INORGANIC COMPOUND AND USE THEREOF, AND METHOD OF PRODUCING MULTIPLE INORGANIC COMPOUND - An multiple inorganic compound ( | 07-14-2011 |
20110168939 | COMPOSITE MAGNETIC MATERIAL AND MAGNETIC ELEMENT - The object of the present invention is to provide a composite magnetic material having well-balanced magnetic properties and chemical properties, and a magnetic element using thereof. Concretely, the present provides the composite magnetic material comprising a binder and a magnetic powder contains followings: Mn not less than 0.25 wt % and not larger than 3 wt %, Si not less than 1 wt % and not larger than 7 wt %, Cr not less than 2 wt % and not larger than 8 wt %, and the rest of Fe and inevitable impurities with respect to the total weight of a magnetic powder material, and a ratio of powder particles having the major/minor axis is not less than 2 is not larger than 5% of the total powder particles. | 07-14-2011 |
20110175013 | COMPOSITE MAGNETIC MATERIAL AND PROCESS FOR PRODUCING THE COMPOSITE MAGNETIC MATERIAL - The present invention is intended to provide composite magnetic material having excellent soft magnetic characteristics that can reduce the size of electromagnetic components such as inductors, choke coils, and transformers and is usable in a high frequency range. The composite magnetic material of the present invention includes substantially spherical magnetic metal powder, flat inorganic insulating material interposed between the magnetic metal powder, and a binder, in which the magnetic metal powder has an aspect ratio of not more than 3, and the inorganic insulating material has an aspect ratio of not less than 2 and is cleavable. The present invention also provides a process for producing the composite magnetic material, which includes carrying out pressure-forming while crushing the inorganic insulating material. | 07-21-2011 |
20110210283 | Low melting temperature alloys with magnetic dispersions - A low melting temperature composite material including an alloy having about 0.1% by weight to about 99% by weight of tin and about 0.1% by weight to about 90% by weight of an element selected from the group consisting of silver and gold, and about 0.1% by weight to about 50% by weight of magnetic particles dispersed in the alloy. Method of heating such a composite material, remotely manipulating such a composite material with magnetic fields, enhancing the mechanical properties of such a material, and making such a material are also disclosed. | 09-01-2011 |
20110233455 | SINTERED ND-FE-B PERMANENT MAGNET WITH HIGH COERCIVITY FOR HIGH TEMPERATURE APPLICATIONS - A type of sintered Nd—Fe—B permanent magnet with high intrinsic coercivity of about 30KOe or more is produced by dual alloy method. The method comprises the following steps: preparing the powders of master phase alloy and intergranular phase alloy respectively, mixing the powders, compacting the powders in magnetic field, sintering the compacted body at 1050˜1125° C. and annealing at 890-1000° C. and 500-650° C. successively. In the process of preparing the powder of intergranular phase alloy, the nano-powder additive selected from the group consisting of NiAl, TiC, SiC, AlN, TiN, ZrN and the combination thereof is used to modify the powder of intergranular phase alloy. | 09-29-2011 |
20110240909 | MAGNETIC MATERIAL AND MOTOR USING THE SAME - Characteristics of a magnetic material are improved without using a heavy rare earth element as a scarce resource. By incorporating fluorine into a magnetic powder and controlling the crystal orientation in crystal grains, a magnetic material securing magnetic characteristics such as coercive force and residual flux density can be fabricated. As a result, the resource problem with heavy rare earth elements can be solved, and the magnetic material can be applied to magnetic circuits that require a high energy product, including various rotating machines and voice coil motors of hard discs. | 10-06-2011 |
20110253926 | Sputtering Target and Method of Forming Film - Provided is a sputtering target including (Co and Pt) or (Co, Cr, and Pt); SiO | 10-20-2011 |
20110272622 | PROCESS FOR PRODUCING COMPOSITE MAGNETIC MATERIAL, DUST CORE FORMED FROM SAME, AND PROCESS FOR PRODUCING DUST CORE - A composite magnetic material is manufactured having magnetic properties that can excellently cope with the decreasing size and increasing electric current of magnetic elements, such as choke coils, and can be used in a high frequency range, a dust core using the composite magnetic material, and a method of manufacturing the same. The dust core includes magnetic metal powder and an insulating material, in which the magnetic metal powder has a Vickers hardness (Hv) of 230≦Hv≦1000, the insulating material has a compressive strength of 10000 kg/cm | 11-10-2011 |
20110284794 | METHOD OF MANUFACTURING POWDER FOR DUST CORE, DUST CORE MADE OF THE POWDER FOR DUST CORE MANUFACTURED BY THE METHOD, AND APPARATUS FOR MANUFACTURING POWDER FOR DUST CORE - To provide a method of manufacturing a powder for dust core capable of preventing generation of secondary particles during a siliconizing treatment and improving quality and productivity of the powder for dust core, a dust core made of the powder for dust core manufactured by the method, and an apparatus for manufacturing the powder for dust core, of a powder mixture comprising a soft magnetic metal powder and a powder for siliconizing including silicon dioxide, only the soft magnetic metal powder is heated by induction heating to transmit heat from the surface of the soft magnetic metal powder to the powder for siliconizing, thereby releasing a silicon element from the powder for siliconizing and diffusing and impregnating the silicon element into the surface of the soft magnetic metal powder to form a silicon impregnated layer. | 11-24-2011 |
20110297871 | SUPERPARAMAGNETIC CLUSTER-NANO PARTICLES-POROUS COMPOSITE BEAD AND FABRICATION METHOD THEREOF - The present invention relates to a composite bead and a fabrication method thereof, and particularly, to a porous composite bead comprising superparamagnetic cluster and nanoparticles, such as light-emitting nanoparticles, s magnetic nanoparticles, metallic nanoparticles, metal oxide nanoparticles and the like, and a fabrication method thereof. | 12-08-2011 |
20110303869 | CUBIC OR OCTAHEDRAL SHAPED FERRITE NANOPARTICLES AND METHOD FOR PREPARING THEREOF - The present invention relates to cubic or octahedral ferrite nanoparticles and a method for preparing the same. In particular, the present invention is directed to a ferrite nanocube which is superparamagnetic or ferromagnetic, and a method for preparing a ferrite nanocube, comprising heating a mixture of a metal precursor, a surfactant and a solvent. | 12-15-2011 |
20110309286 | CRACKING CATALYSTS, ADDITIVES, METHODS OF MAKING THEM AND USING THEM - Collection enhanced materials, down stream additives, and methods of making the enhanced materials and down stream additives are provided. In one embodiment, a down stream additive is provided that includes an active phase component and at least one of a collection enhancing component. In other embodiments, the down stream additive may have attrition index from about two (2) to about ten (10) and/or an average diameter from about 20 μm to about 60 μm. In other embodiments, the down stream additive may have an active phase component which is incompatible with a process performed in an FCC unit. In yet another embodiment, a collection enhanced material having an average diameter from about 60 μm to about 300 μm is provided that includes an active component and a collection enhancing component. | 12-22-2011 |
20110315914 | NANOCOMPOSITES WITH HIGH DIELECTRIC CONSTANT - A nanocomposite with high dielectric constant includes both ferroelectric with non-ferroelectric fillers. This may improve, not only the dielectric constant of the nanocomposite but also provide additional thermal, electrical, optical, mechanical, or chemical properties to the nanocomposite for specific applications. | 12-29-2011 |
20120001116 | MAGNETIC MULTILAYER PIGMENT FLAKE AND COATING COMPOSITION - The present invention provides a magnetic multilayer pigment flake and a magnetic coating composition that are relatively safe for human health and the environment. The pigment flake includes one or more magnetic layers of a magnetic alloy having a substantially nickel-free composition including about 40 wt % to about 90 wt % iron, about 10 wt % to about 50 wt % chromium, and about 0 wt % to about 30 wt % aluminum. The coating composition includes a plurality of the pigment flakes disposed in a binder medium. | 01-05-2012 |
20120007013 | COMPOSITE MAGNETIC MATERIAL - A composite magnetic material is made by performing pressure compacting on metal magnetic powder to which a binding material is added, and the binding material contains an acrylic resin having a silyl group as a functional group. In addition, the composite magnetic material is subjected to a heat treatment at a temperature between 700 and 1,000° C. in a non-oxidizing atmosphere after the pressure compacting. The composite magnetic material has magnetic characteristics useful for electromagnetic components such as an inductor, a choke coil, and a transformer with a small size and at a high frequency. | 01-12-2012 |
20120007014 | COMPOSITE MAGNETIC MATERIAL AND METHOD OF PREPARING THE SAME - The present invention discloses a composite magnetic material. The composite magnetic material may comprise an Nd—Fe—B alloy and a Fe-based soft magnetic alloy having the general formula of Fe | 01-12-2012 |
20120012778 | Magnetic Nanoparticles - Methods for preparing magnetic nanoparticles comprising metal, metal carbide, metal nitride, metal sulfide, metal phosphide, metal oxide or a mixture thereof are disclosed. Methods for preparing magnetic nanoparticles having a core comprising metal, metal carbide, metal nitride, metal sulfide, metal phosphide, or a mixture thereof and a metal oxide shell are also disclosed. The methods comprise the solution-phase decomposition of a precursor at elevated temperature then exposure of the reaction mixture to an oxidising medium, such as air. | 01-19-2012 |
20120018665 | MAGNETIC PARTICLE AND METHOD OF PREPARING THE SAME - An aspect of the present invention relates to a method of preparing a magnetic particle, which comprises attaching a transition metal-containing organic compound to a surface of a hard magnetic particle and then thermally decomposing the transition metal-containing organic compound to obtain the magnetic particle. | 01-26-2012 |
20120119134 | SOFT MAGNETIC POWDERED CORE AND METHOD FOR PRODUCING SAME - A powder mixture, which contains a soft magnetic powder and an insulating powder lubricant in an amount of 0.1% by mass or more relative to the soft magnetic powder, is formed by compacting at a compacting pressure of 800 MPa or less, thereby obtaining a powder compact that has a space factor of the soft magnetic powder of 93% or more. The powder compact can be used as a soft magnetic powdered core. The soft magnetic powdered core has a specific resistance or 10,000 μΩcm or more. A powder of a metal soap such as barium stearate or lithium stearate is used as the insulating powder lubricant. | 05-17-2012 |
20120138844 | IRON POWDER COATED WITH Mg-CONTAINING OXIDE FILM - Oxide-coated Fe powder for producing various electromagnetic circuit components requiring high resistivity is provided. The oxide-coated Fe powder is a Mg-containing oxide film-coated iron powder coated with an Mg—Fe—O ternary-based deposition film at least containing (Mg, Fe)O. The (Mg,Fe)O is a crystalline MgO-dissolving wustite. The Mg—Fe—O ternary-based oxide deposition film has a sulfur-enriched layer containing a higher concentration of sulfur than that of central portion of the iron powder, fine crystalline texture having a grain size of 200 nm or less, and the outermost surface is substantially composed of MgO. A composite soft magnetic material using the Mg-containing oxide film-coated iron powder is also provided. | 06-07-2012 |
20120153212 | Bulk Nanocomposite Magnets and Methods of Making Bulk Nanocomposite Magnets - The present invention relates to bulk magnetic nanocomposites and methods of making bulk magnetic nanocomposites. | 06-21-2012 |
20120168670 | COBALT CARBIDE-BASED NANOPARTICLE PERMANENT MAGNET MATERIALS - A composition of a crystalline ferromagnetic material based upon nanoscale cobalt carbide particles and to a method of manufacturing the ferromagnetic material of the invention via a polyol reaction are disclosed. The crystalline ferromagnetic cobalt carbide nanoparticles of the invention are useful for high performance permanent magnet applications. The processes according to the invention are extendable to other carbide phases, for example to Fe-, FeCo-carbides. Fe- and FeCo-carbides are realizable by using as precursor salts Fe-, Co-, and mixtures of Fe- and Co-salts, such as acetates, nitrates, chlorides, bromides, citrates, and sulfates, among others. The materials according to the invention include mixtures and/or admixtures of cobalt carbides, as both Co | 07-05-2012 |
20120211693 | FERROMAGNETIC POWDER COMPOSITION AND METHOD FOR ITS PRODUCTION - A ferromagnetic powder composition is provided comprising soft magnetic iron-based core particles having an apparent density of 3.2-3.7 g/ml, and wherein the surface of the core particles is provided with a phosphorus-based inorganic insulating layer and at least one metal-organic layer, located outside the first phosphorus-based inorganic insulating layer. A process further is provided for producing the composition and a method for the manufacturing of soft magnetic composite components prepared from the composition, as well as the obtained component. | 08-23-2012 |
20120280167 | FERRITE MAGNETIC MATERIAL, FERRITE MAGNET, AND FERRITE SINTERED MAGNET - A ferrite magnet and a ferrite sintered magnet including a ferrite magnetic material are provided. A main phase of the ferrite magnetic material includes a ferrite phase having a hexagonal crystal structure, and metal element composition expressed by Ca1-w-x-yR wSr xBayFezMm wherein 0.2511-08-2012 | |
20120292555 | FERROMAGNETIC POWDER COMPOSITION AND METHOD FOR ITS PRODUCTION - A ferromagnetic powder composition including soft magnetic iron-based core particles, wherein the surface of the core particles is provided with a first inorganic insulating layer and at least one metal-organic layer, located outside the first layer, of a metal-organic compound having the following general formula: (R | 11-22-2012 |
20130009089 | Method of Surfacing Metallic Nanoparticles With Carbon - The invention relates to a method for the carbon coating of metallic nanoparticles. The metallic nanoparticles, which are produced using the metal-salt hydrogen-reduction method, can be coated with carbon by adding a hydrocarbon (for example, ethylene, ethane, or acetylene) to the hydrogen using in the synthesis. The carbon layer protects the metallic particles from oxidation, which greatly facilitates the handling and further processing of the particles. By altering the concentration of the hydrocarbon, it is possible, in addition, to influence the size of the metallic particles created, because the coating takes place simultaneously with the creation of the particles, thus stopping the growth process. A carbon coating at most two graphene layers thick behaves like a semiconductor. As a thicker layer, the coating is a conductor. If the hydrocarbon concentration is further increased, a metal-CNT composite material is formed in the process. The composite materials developed are in themselves suitable as the raw materials of, for example, metallic inks and sensor materials. | 01-10-2013 |
20130015394 | FERROMAGNETIC POWDER COMPOSITION AND METHOD FOR ITS PRODUCTION - A ferromagnetic powder composition including soft magnetic iron-based core particles, wherein the surface of the core particles is provided with at least one phosphorus-based inorganic insulating layer and then at least partially covered with metal-organic compound(s), wherein the total amount of metal-organic compound(s) is between 0.005 and 0.05% by weight of the powder composition, and wherein the powder composition further includes a lubricant. Further, a process for producing the composition and a method for the manufacturing of soft magnetic composite components prepared from the composition, as well as the obtained component. | 01-17-2013 |
20130020526 | Water-Soluble Nanoparticles Stabilized with Multi-Functional Group Ligands and Method of Preparation Thereof - Disclosed are water-soluble nanoparticles. The water-soluble nanoparticles are each surrounded by a multifunctional group ligand including an adhesive region, a cross linking region, and a reactive region. In the water-soluble nanoparticles, the cross-linking region of the multifunctional group ligand is cross-linked with another cross-linking region of a neighboring multifunctional group ligand. Furthermore, the present invention provides a method of producing water-soluble nanoparticles, which includes (1) synthesizing water-insoluble nanoparticles in an organic solvent, (2) dissolving the water insoluble nanoparticles in a first solvent and dissolving water-soluble multifunctional group ligands in a second solvent, (3) mixing the two solutions from the step (2) to substitute surfaces of the water-insoluble nanoparticles with the multifunctional group ligands and dissolving a mixture in an aqueous solution to conduct a separation process, and (4) cross-linking the substituted multifunctional group ligands with each other. | 01-24-2013 |
20130020527 | RARE-EARTH PERMANENT MAGNETIC POWDER, BONDED MAGNET, AND DEVICE COMPRISING THE SAME - A rare-earth permanent magnetic powder, a bonded magnet, and a device comprising the bonded magnet are provided. The rare-earth permanent magnetic powder is mainly composed of 7-12 at % of Sm, 0.1-1.5 at % of M, 10-15 at % of N, 0.1-1.5 at % of Si, and Fe as the balance, wherein M is at least one element selected from the group of Be, Cr, Al, Ti, Ga, Nb, Zr, Ta, Mo, and V, and the main phase of the rare-earth permanent magnetic powder is of TbCu | 01-24-2013 |
20130037740 | NANOHETEROSTRUCTURE AND METHOD FOR PRODUCING THE SAME - A nanoheterostructure includes a first inorganic component and a second inorganic component one of which is a matrix, and the other of which is three-dimensionally and periodically arranged in the matrix, and has a three-dimensional periodic structure whose average value of one unit length of a repeated structure is 1 nm to 100 nm. | 02-14-2013 |
20130056674 | POWDER MAGNETIC CORE AND PROCESS FOR PRODUCTION THEREOF - A powder magnetic core of the present invention is a powder magnetic core that includes an insulating layer containing a particulate metal oxide between metal powders, in which the insulating layer contains Ca, P, O, Si, and C as elements. According to the present invention, it is possible to provide a powder magnetic core in which securing of a constant permeability characteristic under a high magnetic field and decrease in core loss are compatible with each other, and a method for producing the powder magnetic core. | 03-07-2013 |
20130068992 | METHOD FOR PRODUCING RARE EARTH PERMANENT MAGNETS, AND RARE EARTH PERMANENT MAGNETS - An R-T-B based permanent magnet powder, which has been made by an HDDR process and which has an average crystal grain size of 0.1 μm to 1 μm and a crystal grain aspect ratio (ratio of the major axis size to the minor axis size) of 2 or less, is provided (Step (A)). R is a rare-earth element, of which at least 95 at % is Nd and/or Pr, and T is either Fe alone or Fe partially replaced with Co and/or Ni and is a transition metal element, of which at least 50 at % is Fe. Meanwhile, an R′—Cu based alloy powder, which is made up of R′ and Cu, which accounts for 2 at % to 50 at % of the alloy powder, is also provided (Step (B)). R′ is a rare-earth element, of which at least 90 at % is Nd and/or Pr but which includes neither Dy nor Tb. The R-T-B based permanent magnet powder and the R′—Cu based alloy powder are mixed together to obtain a mixed powder (Step (C)). And then the mixed powder is subjected to a heat treatment process at a temperature of 500° C. to 900° C. in either an inert ambient gas or a vacuum (Step (D)). | 03-21-2013 |
20130075649 | MAGNETIC GLUE - A magnetic glue includes a curable glue and magnetic nanoparticles mixed in the curable glue. The magnetic glue is used in a lens module to avoid polluting the optical portion of the lens module. | 03-28-2013 |
20130099152 | PREPARATION METHOD OF MAGNETIC CLUSTER COLLOID AND MAGNETIC CLUSTER COLLOID PREPARED THEREBY - This invention relates to a manufacturing method of colloid comprising magnetic nanoclusters and magnetic nanocluster colloid made by the same. More particularly, this invention relates to a manufacturing method of colloid comprising magnetic nanoclusters comprising magnetic precursor and heterometal precursor by a certain ratio and magnetic nanocluster colloid made by the same. | 04-25-2013 |
20130112912 | Lamina-Like Iron Pigments, Magnetorheological Fluid and Device - The invention relates to lamina-like iron pigments produced by deformation of carbonyl iron powder, the lamina-like iron pigments having a size distribution with a D | 05-09-2013 |
20130119297 | MAGNETICALLY SUSCEPTIBLE CONDUCTIVE SLURRY - A magnetically susceptible conductive slurry (MSCS) is comprised of magnetically susceptible granules in a conducting fluid mixture. The material properties of a MSCS act in a single or combination of methods for conduction, transportation, reflection and spallation of elementary particles and composite particles as found in physics. The two main components of an MSCS are magnetically susceptible granules to which a fluid adheres that as a composition act in a linear or non-linear manner to conduct elementary particles between terminals. Magnetically susceptible granules that are not normally wet by a conducting fluid are encapsulated and coated by a wetting material that increases the adhesive forces of the material fluid interface above that of the fluid's cohesive forces. A MSCS is susceptible to magnetic fields and is capable of being shape formed during fabrication and use. | 05-16-2013 |
20130119298 | MAGNETIC MULTILAYER PIGMENT FLAKE AND COATING COMPOSITION - The present invention provides a magnetic multilayer pigment flake and a magnetic coating composition that are relatively safe for human health and the environment. The pigment flake includes one or more magnetic layers of a magnetic alloy and one or more dielectric layers of a dielectric material. The magnetic alloy is an iron-chromium alloy or an iron-chromium-aluminum alloy, having a substantially nickel-free composition. The coating composition includes a plurality of the pigment flakes disposed in a binder medium. | 05-16-2013 |
20130126775 | Alcoholic Solution and Sintered Magnet - The purpose of the present invention is to provide an alcoholic solvent, in which FeCo based particles becoming a soft magnetic material are improved, for enhancing properties of a magnetic material using no heavy rare earth elements, and is to provide a sintered magnet produced by using it. | 05-23-2013 |
20130153816 | MAGNETORHEOLOGICAL FLUIDS INCLUDING SHAPE MEMORY ALLOYS - Magnetorheological (MR) fluids are disclosed herein. An example of the MR fluid includes a carrier fluid, magnetic particles disposed in the carrier fluid, and non-magnetic particles disposed in the carrier fluid. The non-magnetic particles are particles of a shape memory alloy having an Austenite finish temperature (A | 06-20-2013 |
20130228716 | MAGNETIC MATERIAL, METHOD FOR PRODUCING MAGNETIC MATERIAL, AND INDUCTOR ELEMENT - A magnetic material is disclosed, which includes magnetic particles containing at least one magnetic metal selected from the group including Fe, Co and Ni, and at least one non-magnetic metal selected from Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, rare earth elements, Ba and Sr; a first coating layer of a first oxide that covers at least a portion of the magnetic particles; oxide particles of a second oxide that is present between the magnetic particles and constitutes an eutectic reaction system with the first oxide; and an oxide phase that is present between the magnetic particles and has an eutectic structure of the first oxide and the second oxide. | 09-05-2013 |
20130228717 | MAGNETIC MATERIALS, METHODS OF MANUFACTURING MAGNETIC MATERIAL, AND INDUCTOR ELEMENT USING MAGNETIC MATERIAL - A magnetic material of an embodiment includes: first magnetic particles that contain at least one magnetic metal selected from the group including Fe, Co, and Ni, are 1 μm or greater in particle size, and are 5 to 50 μm in average particle size; second magnetic particles that contain at least one magnetic metal selected from the group including Fe, Co, and Ni, are smaller than 1 μm in particle size, and are 5 to 50 nm in average particle size; and an intermediate phase that exists between the first magnetic particles and the second magnetic particles. | 09-05-2013 |
20130248754 | PRODUCTION METHOD OF RARE EARTH MAGNET - The method of the present invention produces a rare earth magnet, which is represented by a neodymium magnet (Nd | 09-26-2013 |
20130264512 | METHOD OF PREPARING TRANSITION METAL PNICTIDE MAGNETOCALORIC MATERIAL, TRANSITION METAL PNICTIDE MAGNETOCALORIC MATERIAL, AND DEVICE INCLUDING THE SAME - A method of preparing a boron-doped transition metal pnictide magnetocaloric material, the method including: contacting a transition metal halide; a pnictogen element, a pnictogen oxide, or a combination thereof; a boron-containing oxide; and a reducing metal to provide a mixture; and heat treating the mixture to prepare the boron-doped transition metal pnictide magnetocaloric material. | 10-10-2013 |
20130277601 | COMPOSITE, SOFT-MAGNETIC POWDER AND ITS PRODUCTION METHOD, AND DUST CORE FORMED THEREBY - A composite, soft-magnetic powder comprising soft-magnetic, iron-based core particles having an average particle size of 2-100 μm, and boron nitride-based coating layers each covering at least part of each soft-magnetic, iron-based core particle, said coating layers being polycrystalline layers comprising fine boron nitride crystal grains having different crystal orientations and an average crystal grain size of 3-15 nm, the average thickness of said polycrystalline layers being 6.6% or less of the average particle size of said soft-magnetic, iron-based core particles, is produced by (1) mixing iron nitride powder having an average particle size of 2-100 μm with boron powder having an average particle size of 0.1-10 μm, (2) heat-treating the resultant mixed powder at a temperature of 600-850° C. in a nitrogen atmosphere, and (3) removing non-magnetic components. | 10-24-2013 |
20130320254 | METHOD OF FABRICATING GRADED MEDIA - A magnetic data storage medium comprising: an ion doped magnetic recording layer having a continuous grading of coercivity or anisotropy, wherein the coercivity or anisotropy is at a minimum substantially at one side of the magnetic recording layer, and having substantial portion of maximum coercivity or anisotropy at the other side of the magnetic recording layer. Also, a method of fabricating a magnetic data storage medium is included. | 12-05-2013 |
20140027667 | IRON COBALT TERNARY ALLOY NANOPARTICLES WITH SILICA SHELLS - Superparamagnetic core shell nanoparticles having a core of a iron cobalt ternary alloy and a shell of a silicon oxide directly on the core and a particle size of 2 to 200 nm are provided. Methods to prepare the nanoparticles are also provided. | 01-30-2014 |
20140077121 | Generic Approach for Synthesizing Asymmetric Nanoparticles and Nanoassemblies - A generic route for synthesis of asymmetric nanostructures. This approach utilizes submicron magnetic particles (Fe | 03-20-2014 |
20140138570 | COMPOSITE PARTICLE, METHOD FOR PRODUCING COMPOSITE PARTICLE, POWDER CORE, MAGNETIC ELEMENT, AND PORTABLE ELECTRONIC DEVICE - A composite particle includes: a particle composed of a soft magnetic metallic material, and a coating layer composed of a soft magnetic metallic material having a different composition from that of the particle and fusion-bonded to the particle so as to cover the particle, wherein when the Vickers hardness of the particle is represented by HV1 and the Vickers hardness of the coating layer is represented by HV2, HV1 and HV2 satisfy the following relationship: 100≦HV1−HV2, and when half of the projected area circle equivalent diameter of the particle is represented by r and the average thickness of the coating layer is represented by t, r and t satisfy the following relationship: 0.05≦t/r≦1. | 05-22-2014 |
20140151594 | CAPSULE - A capsule having a solid core, a primary shell of liquid encapsulating the solid core and a secondary shell of particles encapsulating the primary shell. The primary and secondary shells are generally repulsive to each other. Also provided is a process for the manufacture of capsules and a process for the manufacture of a magnetic body. | 06-05-2014 |
20140239219 | FERRITE POWDER OF METAL, FERRITE MATERIAL COMPRISING THE SAME, AND MULTILAYERED CHIP COMPONENTS COMPRISING FERRITE LAYER USING THE FERRITE MATERIAL - Disclosed herein are a ferrite powder having a core-shell structure, the core being made of iron (Fe) or iron-based compounds comprising iron (Fe) and the shell being made of metal oxides, a ferrite material comprising the ferrite powder and the glass, and multilayered chip components including the ferrite layer using the ferrite material, inner electrodes, and outer electrodes. According to the exemplary embodiments of the present invention, it is possible to provide the ferrite material capable of improving the change in the inductance L value in response to applied current by suppressing magnetization at high current. The multilayered chip components including the ferrite material according to the exemplary embodiment of the present invention can also be used in a band of MHz. | 08-28-2014 |
20140239220 | FE-BASED, PRIMARY, ULTRAFINE CRYSTALLINE ALLOY RIBBON AND MAGNETIC DEVICE - An Fe-based, primary, ultrafine crystalline alloy ribbon having a composition represented by the general formula of Fe | 08-28-2014 |
20140264143 | POROSITIZATION PROCESS OF CARBON OR CARBONACEOUS MATERIALS - Porositized/activated carbon processed from carbon or carbonaceous raw materials. The porositization process comprises: (1) loading porositizing agents; (2) thermal treatment; and (3) porous generation. In another embodiment, the porositization process comprises: (1) loading porositizing agents; and (2) thermal treatment wherein the carbon or carbonaceous materials undergo carbonization and self-activation during the thermal treatment. Activated carbon products that exhibit magnetic functionality. | 09-18-2014 |
20140264144 | Method for Preparation of Various Carbon Allotropes based Magnetic Adsorbents with High Magnetization - A process for the production of coating graphene, and other carbon allotropes, onto carbon-coated magnetic nanoparticles while maintaining high magnetic moment and adsorption properties is disclosed. | 09-18-2014 |
20140299810 | IRON NITRIDE PERMANENT MAGNET AND TECHNIQUE FOR FORMING IRON NITRIDE PERMANENT MAGNET - A permanent magnet may include a Fe | 10-09-2014 |
20140306144 | MAGNETRON SPUTTERING TARGET AND PROCESS FOR PRODUCING THE SAME - A process for producing a magnetron sputtering target includes: mixing and dispersing an oxide powder and a magnetic metal powder, the magnetic metal powder containing a ferromagnetic metal element, to obtain a magnetic powder mixture; mixing and dispersing an oxide powder and each of a plurality of non-magnetic metal powders, the plurality of non-magnetic metal powders containing the ferromagnetic metal element, the plurality of non-magnetic metal powders containing a different constituent element from each other or containing constituent elements at different ratios from each other, to obtain a plurality of non-magnetic powder mixtures; and mixing and dispersing the magnetic powder mixture and the plurality of non-magnetic powder mixtures to obtain a powder mixture for pressure sintering. | 10-16-2014 |
20140319406 | MAGNETIC MATERIAL, METHOD FOR PRODUCING MAGNETIC MATERIAL, AND INDUCTOR ELEMENT - A magnetic material is disclosed, which includes magnetic particles containing at least one magnetic metal selected from the group including Fe, Co and Ni, and at least one non-magnetic metal selected from Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, rare earth elements, Ba and Sr; a first coating layer of a first oxide that covers at least a portion of the magnetic particles; oxide particles of a second oxide that is present between the magnetic particles and constitutes an eutectic reaction system with the first oxide; and an oxide phase that is present between the magnetic particles and has an eutectic structure of the first oxide and the second oxide. | 10-30-2014 |
20140346388 | MAGNETIC MATERIAL AND METHOD FOR PRODUCING SAME - The invention relates to a method for producing a magnetic material, said magnetic material consisting of a starting material that comprises a rare earth metal (SE) and at least one transition metal. The method has the following steps: —hydrogenating the starting material, —disproportioning the starting material, —desorption, and —recombination. A magnetic field is applied during at least one step such that a textured magnetic material is obtained and the formation of a texture is promoted in the magnetic material. | 11-27-2014 |
20140353540 | Anisotropic Conductive Adhesive with Reduced Migration - Illustrative embodiments of an anisotropic conductive adhesive (ACA) configured to be cured after being subjected to a magnetic field are disclosed. In at least one illustrative embodiment, the ACA may comprise a binder and a plurality of particles suspended in the binder. Each of the plurality of particles may comprise a ferromagnetic material coated with a layer of electrically conductive material and with a moisture barrier, such that the electrically conducting material forms electrically conductive and isolated parallel paths when the ACA is cured after being subjected to the magnetic field. | 12-04-2014 |
20150014573 | SUPERPARAMAGNETIC IRON COBALT ALLOY AND SILICA NANOPARTICLES OF HIGH MAGNETIC SATURATION AND A MAGNETIC CORE CONTAINING THE NANOPARTICLES - Thermally annealed superparamagnetic core shell nanoparticles of an iron-cobalt alloy core and a silicon dioxide shell having high magnetic saturation are provided. A magnetic core of high magnetic moment obtained by compression sintering the thermally annealed superparamagnetic core shell nanoparticles is also provided. The magnetic core has little core loss due to hysteresis or eddy current flow. | 01-15-2015 |
20150021512 | SOFT MAGNETIC POWDER CORE - A soft magnetic powder core which can have a high electrical resistivity, a high magnetic flux density and a high strength easily, and the soft magnetic powder core can be used in various electromagnetic components such as a motor, an actuator, a generator and a reactor. The soft magnetic powder core in which the glass portion is scattered among the soft magnetic particles, the soft magnetic particle having the core particle with iron as the main component and the insulating coating layer containing P, O and Fe. Further, the junction portion with iron oxide as the main component is formed between the soft magnetic particle and the glass portion. | 01-22-2015 |
20150034856 | NANOPARTICLE, PERMANENT MAGNET, MOTOR, AND GENERATOR - At least one elongated core, made of at least one first magnetizable and/or magnetic material, and a shell, surrounding the core and made of at least one second magnetocrystalline anisotropic material, form a nanoparticle. A plurality of such nanoparticles are used in making a permanent magnet. A motor or a generator includes at least one such permanent magnet. | 02-05-2015 |
20150069285 | Process for the preparation of metal-carbon containing bodies - The invention is directed to the production of metal-carbon containing bodies, which process comprises impregnating cellulose, cellulose-like or carbohydrate bodies with an aqueous solution of at least one metal compound, followed by heating the impregnated bodies in an inert and substantially oxygen-free atmosphere, thereby reducing at least part of the at least one metal compound to the corresponding metal or metal alloy. | 03-12-2015 |
20150083960 | MAGNETIC BODY AND ELECTRONIC COMPONENT USING THE SAME - A magnetic body constituted by magnetic grains bonded together via oxide film, which magnetic grains contain a Fe—Si-M soft magnetic alloy (where M is a metal element more easily oxidized than Fe) that contains sulfur atoms (S). The magnetic body preferably contains 0.004 to 0.012 percent by weight of S, 1.5 to 7.5 percent by weight of Si, and 2 to 8 percent by weight of metal M. | 03-26-2015 |
20150108392 | MAGNETIC PART, METAL POWDER USED THEREIN, AND MANUFACTURING METHOD THEREFOR - In magnetic parts such as inductors and antennas using magnetic metal powder, the complex component of a magnetic permeability, which represents a loss in a GHz band, has been high. | 04-23-2015 |
20150115193 | FERROMAGNETIC NANO METAL POWDER - The present invention related to ferromagnetic nano-metal powders and more particularly, to ferromagnetic nano-metal powders for increasing packing density by decreasing the porosity between micro-sized soft magnetic metal powders. According to an embodiment of the present invention, the ferromagnetic nano-metal powder allows high packing density and high magnetic property at a high frequency to fill the pores inevitably generated during the manufacturing process of an inductor using the soft magnetic metal powders. | 04-30-2015 |
20150123025 | HEAT CARRIER MEDIUM FOR MAGNETOCALORIC MATERIALS - What is described is the use of alcohols, alcoholamines, diols, polyols or mixtures thereof in heat carrier media or as heat carrier media which are in contact with magnetocaloric materials. | 05-07-2015 |
20150129794 | SOFT MAGNETIC MEMBER AND MANUFACTURING METHOD OF SOFT MAGNETIC MEMBER - In a manufacturing method of a soft magnetic member, a material powder that includes ferrous particles and an organic layer formed on a surface of each of the ferrous particles is prepared. The organic layer contains at least one element selected from the group consisting of Si, Mg, Ti, and V. The material powder is compacted to form a green compact, and the green compact is induction-heated with a frequency of 100 kHz or higher to form an insulation layer made of an oxide containing the element on the surface of each of the ferrous particles. | 05-14-2015 |
20150137024 | METAL-CARBON NANOTUBE COMPOSITE AND PREPARING METHOD OF THE SAME - A metal-carbon nanotube composite is provided which includes a carbon nanotube, a magnetic material, and a metal and in which the carbon nanotube is bound to the magnetic material through a binding intervenor and the carbon nanotube is dispersed in the metal by binding the magnetic material to the metal. A preparing method of a metal-carbon nanotube composite is provided, the method including: a step of binding a carbon nanotube to a magnetic material through a binding intervenor; and a step of dispersing the carbon nanotube in a metal by binding the magnetic material to the metal. | 05-21-2015 |
20150144831 | BIOGENIC ACTIVATED CARBON AND METHODS OF MAKING AND USING SAME - Biogenic activated carbon compositions disclosed herein comprise at least 55 wt % carbon, some of which may be present as graphene, and have high surface areas, such as Iodine Numbers of greater than 2000. Some embodiments provide biogenic activated carbon that is responsive to a magnetic field. A continuous process for producing biogenic activated carbon comprises countercurrently contacting, by mechanical means, a feedstock with a vapor stream comprising an activation agent including water and/or carbon dioxide; removing vapor from the reaction zone; recycling at least some of the separated vapor stream, or a thermally treated form thereof, to an inlet of the reaction zone(s) and/or to the feedstock; and recovering solids from the reaction zone(s) as biogenic activated carbon. Methods of using the biogenic activated carbon are disclosed. | 05-28-2015 |
20150144832 | COBALT CARBIDE-BASED NANOPARTICLE PERMANENT MAGNET MATERIALS - A crystalline ferromagnetic material based upon nanoscale cobalt carbide particles and a method of manufacturing the material via a polyol reaction are disclosed. The crystalline ferromagnetic cobalt carbide nanoparticles are useful for high performance permanent magnet applications. The processes are extendable to other carbide phases. Fe- and FeCo-carbides are realizable by using as precursor salts Fe-, Co-, and mixtures of Fe- and Co-salts, such as acetates, nitrates, chlorides, bromides, citrates, and sulfates. The materials include mixtures and/or admixtures of cobalt carbides, as both Co | 05-28-2015 |
20150325346 | HARD-SOFT MAGNETIC MnBi/SiO2/FeCo NANOPARTICLES - Core-shell-core nanoparticles of an iron-cobalt alloy core, a silica shell and a manganese bismuth alloy core or nanoparticle on the surface of the silica shell (FeCo/SiO | 11-12-2015 |
20150325347 | METHOD TO PREPARE HARD-SOFT MAGNETIC FeCo/ SiO2/MnBi NANOPARTICLES WITH MAGNETICALLY INDUCED MORPHOLOGY - A method to prepare a core-shell-shell FeCo/SiO | 11-12-2015 |
20150332821 | SOFT MAGNETIC METAL POWDER AND SOFT MAGNETIC METAL POWDER CORE USING THE SAME - The present invention relates to a soft magnetic metal powder which contains B and has Fe and Ni as the main components, wherein the content of Ni in the soft magnetic metal powder is 30 to 80 mass %, the total content of Fe and Ni in the soft magnetic metal powder is 90 mass % or more, the content of B inside the metal particle of the soft magnetic metal powder is 10 to 150 ppm, and the particle has a film of boron nitride on the surface. The present invention also relates to a soft magnetic metal powder core prepared by using the soft magnetic metal powder. | 11-19-2015 |
20160086703 | R-T-B BASED PERMANENT MAGNET - A R-T-B based permanent magnet which not only has equivalent magnetic properties as the existing Nd—Fe—B based permanent magnet as well as light mass but also can be suitably used as a magnet for field system of a permanent magnet synchronous rotating machine. The magnet can be obtained in a case where the composition of the compound for forming the main phase is (R | 03-24-2016 |
20160141083 | RARE-EARTH MAGNET AND METHOD FOR MANUFACTURING SAME - To provide a rare earth magnet ensuring excellent magnetic anisotropy while reducing the amount of Nd, etc., and a manufacturing method thereof. | 05-19-2016 |
20160155919 | THERMOELECTRIC MATERIAL | 06-02-2016 |
20160165766 | METHOD FOR MAKING ELECTROMAGNETIC WAVE SHIELDING MATERIAL - A method for making an electromagnetic wave shielding material comprises the steps of (a) mixing ternary Fe—Al—Si alloy powders and a solvent to prepare a Fe—Al—Si solution; (b) adding an acid in the Fe—Al—Si solution to release Fe ions through a dissolution reaction; (c) adding copper chloride powders in the Fe—Al—Si solution; (d) adding a lye in the Fe—Al—Si solution to induce a displacement reaction; (e) adding a silane coupling agent in the Fe—Al—Si solution; (f) placing the Fe—Al—Si solution in a microwave reactor to accelerate the displacement reaction; (g) producing a quaternary Cu—Fe—Al—Si alloy after the displacement reaction of the Fe—Al—Si solution, thereby forming a quaternary Cu—Fe—Al—Si alloy solution, which proceeding with a solid-liquid separation and a drying treatment to obtain an electromagnetic wave shielding material composed of quaternary Cu—Fe—Al—Si alloy in solid powders. | 06-09-2016 |
20160168660 | ANISOTROPIC COMPLEX SINTERED MAGNET COMPRISING MnBi WHICH HAS IMPROVED MAGNETIC PROPERTIES AND METHOD OF PREPARING THE SAME | 06-16-2016 |
20160180993 | R-T-B BASED SINTERED MAGNET AND MOTOR | 06-23-2016 |
20160379741 | Low-Cost Precursor for Synthesis of High Coercivity Fe-N Magnets - The disclosure describes a method of producing iron nitride magnets using Zn-doped iron oxide precursors. The iron oxide precursors are reduced and nitrided to produce a powder containing iron nitride in the Fe | 12-29-2016 |
20170233614 | 2-CYANOACRYLATE COMPOSITION HAVING MAGNETISM | 08-17-2017 |