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| Number | Title | Issue Date |
| 8123874 | 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. A soft magnetic material includes a plurality of metal magnetic p... | 02/28/2012 |
| 8114225 | Soft magnetic materials An article including a monolithic body including iron, cobalt, and nitrogen is provided. The monolithic body includes a matrix phase and a plurality of particles disposed within the matrix phase. The particles include a phase comprising nitrogen. ... | 02/14/2012 |
| 8075710 | Soft magnetic composite materials A process for the manufacture of soft magnetic composite components is provided including the steps of: die compacting a powder composition including a mixture of soft magnetic, iron or iron-based powder, core particles of which are surrounded by an electrically ins... | 12/13/2011 |
| 8052806 | 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 more than 1000, preferably more than 2000, and most preferably mo... | 11/08/2011 |
| 7942984 | Steel pipe with good magnetic properties and method of producing the same A steel pipe blank having a composition containing 0.5% or less C and 85% or more Fe in terms of mass percent is heated, and stretch-reducing is then performed so that the diameter decrease ratio is 15% or more and the rolling finishing temperature is (the Ar3 ... | 05/17/2011 |
| 7887647 | Soft magnetic material and dust core produced therefrom A soft magnetic material includes a plurality of composite magnetic particles each including a metal magnetic particle and an insulating coating film covering the metal magnetic particle. Each of the plurality of composite magnetic particles has a ratio Rm/c | 02/15/2011 |
| 7771546 | Semi-hard magnetic material, bias material for magnetic marker, magnetic marker and production method of bias material for magnetic marker An object of the present invention is to solve the problem in hot workability caused by Cu aggregation and provide semi-hard magnetic materials having good magnetic properties, bias materials for magnetic markers, magnetic markers and production methods of bias mate... | 08/10/2010 |
| 7767034 | Soft magnetic material, powder magnetic core and method of manufacturing soft magnetic material A soft magnetic material is a soft magnetic material including a composite magnetic particle (30) having a metal magnetic particle (10) mainly composed of Fe and an insulating coating (20) covering metal magnetic particle (10), and insula... | 08/03/2010 |
| 7641745 | Soft magnetic material and method of producing powder compact A soft magnetic material used for producing a powder compact has a plurality of iron particles having a Vickers hardness HV of less than 800 and satisfying the relationship of α/β≧2.5, where α represents the specific surface area of the iron particles measured ... | 01/05/2010 |
| 7601229 | Process for producing soft magnetism material, soft magnetism material and powder magnetic core A method for making soft magnetic material includes: a first heat treatment step applying a temperature of at least 400 deg C. and less than 900 deg C. to metal magnetic particles; a step for forming a plurality of compound magnetic particles in which said metal mag... | 10/13/2009 |
| 7588648 | Soft magnetism material and powder magnetic core The present invention provides a soft magnetic material and a powder magnetic core having desired magnetic characteristics. A soft magnetic material contains a metal magnetic powder 10. The metal magnetic powder 10 is formed from crystals 1 | 09/15/2009 |
| 7569115 | Assemblages of magnetic alloy nanoparticles Assemblages of particles of a magnetic alloy that are suited to magnetic recording are represented by the formula [TXM1-X] containing T and M in a composition ratio where X in the formula is in the range from 0.3 or greater to 0.7 or less, wher... | 08/04/2009 |
| RE40524 | Magnet powder-resin compound particles, method for producing such compound particles and resin-bonded rare earth magnets formed therefrom The magnet powder-resin compound particles substantially composed of rare earth magnet powder and a binder resin are in such a round shape that a ratio of the longitudinal size a to the transverse size b (a/b) is more than 1.00 and 3 or less, and that an average par... | 09/30/2008 |
| 7416795 | Method for manufacturing magnetic metal powder, and magnetic metal powder A method for manufacturing magnetic metal powder is provided. In the method, a powdered magnetic metal oxide is supplied to a heat treatment furnace with a carrier gas composed of a reducing gas. The heat treatment furnace is maintained at temperatures above a reduc... | 08/26/2008 |
| 7381239 | Alloy nano-particles Disclosed are alloy nano-particles having a fluctuation coefficient of particle size of 20% or less and a fluctuation coefficient of composition of 20% or less. The alloy nano-particles have a low transformation point and hardly aggregate and which can form a flat m... | 06/03/2008 |
| 7371271 | Composite soft magnetic sintered material having high density and high magnetic permeability and method for preparation thereof An object of the present invention is to provide a composite soft magnetic sintered material that has high density, high mechanical strength and high relative magnetic permeability at high frequencies and, in order to achieve this object, the present invention provi... | 05/13/2008 |
| 7372116 | Heat assisted switching in an MRAM cell utilizing the antiferromagnetic to ferromagnetic transition in FeRh A magnetic memory cell for use in a magnetic random access memory array that uses the antiferromagnetic to ferromagnetic transition properties of FeRh to assist in the control of switching of the memory cell. ... | 05/13/2008 |
| 7329383 | Alloy compositions and devices including the compositions Alloy compositions, including devices and instruments that include the compositions, are disclosed. The compositions have high hardness, strength, corrosion resistance, and biocompatibility. The compositions can be used to manufacture, for example, medical devices a... | 02/12/2008 |
| 7317315 | Magnetic azimuth measurement apparatus A magnetic azimuth measurement apparatus without arithmetic means nor any mechanical motion such as rotation, not affecting its mass production ability because of a simple configuration, and making it possible to measure a azimuth in higher precision, is provided. A... | 01/08/2008 |
| 7294214 | Medical devices Alloy compositions suitable for fabricating medical devices, such as stents, are disclosed. In certain embodiments, the compositions have small amounts of nickel, e.g., the compositions can be substantially free of nickel. ... | 11/13/2007 |
| 7270718 | Method for manufacturing a soft magnetic powder material The invention provides a method for manufacturing a soft magnetic powder material covered by oxide layers at surfaces of the powder, by using a soft magnetic alloy powder containing a soft magnetic powder material and a second element such as Si having an oxidizing ... | 09/18/2007 |
| 7267729 | Soft magnetic low-carbon steel excellent in machinability and magnetic characteristic, method of manufacturing the same and method of manufacturing soft magnetic low-carbon part A soft magnetic low-carbon steel has a chemical composition having a C content of 0.05% by mass or below, Si content of 0.1% or below, a Mn content in the range of 0.10 to 0.50% by mass, a P content of 0.030% by mass or below, a S content in the range of 0.010 to 0.... | 09/11/2007 |
| 7252249 | Solenoid-type fuel injector assembly having stabilized ferritic stainless steel components A solenoid-type fuel injector assembly having at least one component formed of stabilized, solenoid-quality ferritic stainless steel. In a preferred embodiment, an austenitic fuel tube is laser-welded to an injector body and to a solenoid pole piece formed of the su... | 08/07/2007 |
| 7214350 | Device for the continuous burning of carbon particles A device for additive-free, catalytically induced oxidation of solid carbon particles and decomposition of chemical compounds, comprising a converter chamber with compartments, in which porous structure catalyst carrier matrix profiles are mounted, so that a space b... | 05/08/2007 |
| 7214277 | Method for manufacturing non-oriented electrical steel sheet having high magnetic flux density A quench solidification method, wherein a steel cast strip having a mean grain size 50 μm or more is prepared and then the steel cast strip is rolled to produce a non-oriented electrical steel sheet having high magnetic flux density in both L and C directions. Howe... | 05/08/2007 |
| 7195680 | Soft magnetic alloy for clock-making The invention relates to a soft magnetic alloy with the following composition in wt. %: 28%≦Ni≦34%, 0%≦Co≦4%, 0%≦Cu≦4%, 1%≦Cr, 0%≦Mo≦8%, 0%≦Nb≦1%, 0%≦Mn≦2%, 0%≦V≦5%, 0%≦W≦5%, 0%≦Si≦4%, 0%≦Al≦4%, 0%≦C≦0.4%, optionally one... | 03/27/2007 |
| 7192491 | Increased damping of magnetization in magnetic materials In order to dampen magnetization changes in magnetic devices, such as magnetic tunnel junctions (MTJ) used in high speed Magnetic Random Access Memory (MRAM), a transition metal selected from the 4d transition metals and 5d transition met... | 03/20/2007 |
| 7179338 | Control of engineering processes using magnetostrictive alloy compositions Magnetostrictive devices and methods involving a magnetostrictive alloy having; (1) one or more of Pd, and Pt, and (2) one or more of Ni, Co, Fe, where the alloy comprises one or more of PdxNi1−x, PdxFe1−x, Pdx | 02/20/2007 |
| 7175717 | Method for making nano-scale grain metal powders having excellent high-frequency characteristic and method for making high-frequency soft magnetic core using the same A method for making a nano-scale amorphous soft magnetic powders obtained by thermally processing and crystallizing amorphous ribbons produced using a rapid solidification process (RSP) and crushing the same. The amorphous soft magnetic core having an excellent high... | 02/13/2007 |
| 7177700 | Frequency agile telemetry system for implantable medical device A system enables high-frequency communication between an external communication device and one or more implantable medical devices. The system implements a communication protocol in which the external communication device interrogates any implantable medical devices... | 02/13/2007 |
| 7172642 | Magnetic metal particles containing iron as main component, process for producing the same and magnetic recording medium using the same Magnetic metal particles containing iron as a main component, comprising cobalt in an amount of usually 20 to 50 atm %, calculated as Co, based on whole Fe, aluminum in an amount of usually 3 to 15 atm %, calculated as Al, based on whole Fe and a rare earth element ... | 02/06/2007 |
| 7172660 | Method for making Fe-based amorphous metal powders and method for making soft magnetic core using the same A method for making an amorphous soft magnetic core using Fe-based amorphous metal powders is provided. The amorphous soft magnetic powders are obtained by crushing amorphous ribbons produced using a rapid solidification process (RSP). The magnetic core is obtained ... | 02/06/2007 |
| 7163592 | Steel sheet for tension mask, manufacturing method of steel sheet for tension mask, tension mask and cathode ray tube A steel sheet for a tension mask excellent in the shielding properties from geomagnetism consists essentially of lower than 0.1% by weight of C, lower than 0.2% by weight of Si, 0.4 to 2% by weight of Mn, not higher than 0.1% by weight of P, not higher than 0.03% by... | 01/16/2007 |
| 7156743 | Mechanical fuse and method of manufacturing the same An inexpensive mechanical fuse having a high fatigue limit ratio and high rupture reliability, and superior in forming performance, and a method of manufacturing the same are presented. The mechanical fuse is composed of Fe-based sintered alloy, and comprises an inn... | 01/02/2007 |
| 7141127 | Low core loss magnetic alloy with high saturation magnetic flux density and magnetic parts made of same A low core loss magnetic alloy with a high saturation magnetic flux density, which has a composition represented by the general formula: (Fel-aCoa)100-y-cM′yX′c(atomic %) where M′ repre... | 11/28/2006 |
| 7138195 | Perpendicular magnetic recording media and magnetic storage A double layer perpendicular magnetic recording medium having a high medium S/N ratio at a recording density of 50 Gb/in2 or higher and a magnetic storage apparatus with a lower error rate and excellent reliability are provided. In a perpendicular magneti... | 11/21/2006 |
| 7122856 | Capacitor having a barrier layer made of a transition metal phosphide, arsenide or sulfide The capacitor has a capacitor dielectric formed, in particular, as a high-□-dielectrical or ferroelectrical layer. A barrier layer is formed of a compound of a transition element with phosphorus, sulfur or arsenic. The barrier layer is underneath the capacitor die... | 10/17/2006 |
| 7091575 | Open pattern inductor The invention includes a stacked open pattern inductor fabricated above a semiconductor substrate. The stacked open pattern inductor includes a plurality of parallel open conducting patterns embedded in a magnetic oxide or in an insulator and a magnetic material. Em... | 08/15/2006 |
| 7078112 | Mechanical fuse and production method for the same A mechanical fuse has further improved and stabilized fatigue limit ratio, and can obtain high reliability under a using condition in which cyclic loading is applied. The mechanical fuse includes a Fe-based sintered alloy that has at least one element of P at 0.15 t... | 07/18/2006 |
| 7063754 | Magnetic material for magnetic refrigeration and method for producing thereof The magnetic material for magnetic refrigeration according to the present invention has an NaZn13-type crystalline structure and comprises iron (Fe) as a principal element (more specifically, Fe is substituted for the position of “Zn”) and hydrogen (H... | 06/20/2006 |
