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| Number | Title | Issue Date |
| 8048236 | Doped GdGeSicompounds and methods for reducing hysteresis losses in GdGeSicompound A Gd5Ge2Si2 refrigerant compound is doped or alloyed with an effective amount of silicide-forming metal element such that the magnetic hysteresis losses in the doped Gd5Ge2Si2 compound are substantial... | 11/01/2011 |
| 8007600 | Soft magnetic thin strip, process for production of the same, magnetic parts, and amorphous thin strip The invention provides a soft magnetic thin strip which contains nanoscale fine grains and exhibits a high saturation magnetic flux density and excellent soft magnetic characteristics; a process for production of the same; magnetic parts; and an amorphous thin strip... | 08/30/2011 |
| 7964043 | Method for producing nanocrystalline magnet cores, and device for carrying out said method The invention relates to a method and to a device for carrying out a manufacturing process in which all magnet cores to be produced are first continuously crystallized. Depending on whether the required hysteresis loops should be round, flat or rectangular, the magn... | 06/21/2011 |
| 7815749 | Method for manufacturing semi-hard magnetic material and semi-hard magnetic material The present invention provides a method of manufacturing a semi-hard magnetic material comprising, sequentially: preparing a raw material consisting essentially of 10.0 to 25.0% of Ni, 2.0 to 6.0% of Mo and the balance being Fe and inevitable impurities, in mass %; ... | 10/19/2010 |
| 7754027 | Method for manufacturing a sputtering target A method for manufacturing a sputtering target includes the steps of: providing a highly pure matrix material containing a magnetic metal, and a highly pure precious metal ingot material; cleaning the surfaces of the matrix material and the precious metal ingot; vac... | 07/13/2010 |
| 7674342 | Method of producing soft magnetic material, soft magnetic powder, and dust core A method of producing a soft magnetic material includes the steps of preparing soft magnetic powder containing a plurality of soft magnetic particles etching the soft magnetic powder to remove surfaces of the soft magnetic particles and, after the etching step, heat... | 03/09/2010 |
| 7658807 | Hot-rolled strip intended for the production of non-grain oriented electrical sheet and a method for the production thereof The present invention relates to a hot-rolled steel strip for further processing to form non-grain oriented electrical sheet with the following composition (in % by weight) C: | 02/09/2010 |
| 7651574 | Doped GdGeSicompounds and methods for reducing hysteresis losses in GdGeSicompound A Gd5Ge2Si2 refrigerant compound is doped or alloyed with an effective amount of silicide-forming metal element such that the magnetic hysteresis losses in the doped Gd5Ge2Si2 compound are substantial... | 01/26/2010 |
| 7547365 | Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet To make a raw alloy, consisting mostly of amorphous structure, highly productively and at a reduced cost for a nanocomposite magnet, a molten alloy represented by Fe100-x-y-zRxQyMz (where R is at least one element selected... | 06/16/2009 |
| 7524381 | Method for controlling magnetostriction in a free layer of a magnetoresistive sensor A method for controlling magnetostriction in a free layer of a magnetoresistive sensor. A pinned layer structure is deposited and then a spacer layer, preferably Cu is deposited. Oxygen is introduced into the spacer layer. The oxygen can be introduced either during ... | 04/28/2009 |
| 7377985 | Temper process of sintered Nd-Fe-B permanent magnet The present invention provides a tempering process for sintered Nd—Fe—B permanent magnet material, which optimizes the microstructure of the Nd—Fe—B magnet and improves intrinsic coercive force and its consistency by increasing the cooling rate after temperi... | 05/27/2008 |
| 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 |
| 7357884 | Conductive ink composition A conductive ink composition is obtained by dispersing, in an organic solvent, a solid material made from metal fine particles each coated with protective colloids each made of at least two organic compounds, the metal fine particles consisting of an alloy containin... | 04/15/2008 |
| 7347383 | Modular fuel injector and method of assembling the modular fuel injector A fuel injector for use with an internal combustion engine. The fuel injector comprises a valve group subassembly and a coil group subassembly. The valve group subassembly includes a tube assembly having a longitudinal axis that extends between a first end and a sec... | 03/25/2008 |
| 7341765 | Metallic coatings on silicon substrates, and methods of forming metallic coatings on silicon substrates The invention includes methods of forming a metallic coating on a substrate which contains silicon. A metallic glass layer is formed over a silicon surface of the substrate. The invention includes methods of protecting a silicon substrate. The substrate is provided ... | 03/11/2008 |
| 7323067 | Method of manufacturing magneto-resistance effect type head A method of manufacturing a magneto-resistance effect type head that includes an element portion of magneto-resistance effect type and reproduces a read signal of data from a recording medium by the element portion, is proposed. The method includes applying a predet... | 01/29/2008 |
| 7316752 | R-T-B-C based rare-earth magnetic powder and bonded magnet The step of preparing a rapidly solidified alloy by rapidly quenching a melt of an R-T-B-C based rare-earth alloy (where R is at least one of the rare-earth elements including Y, T is a transition metal including iron as its main ingredient, B is boron, and C is car... | 01/08/2008 |
| 7312951 | Magnetic head for perpendicular magnetic recording The invention provides a magnetic head for perpendicular magnetic recording having an air bearing surface positioned facing the recording surface of a recording medium, which records magnetic information on the recording medium by generating magnetic flux toward the... | 12/25/2007 |
| 7309396 | Giant magnetostrictive material and heat treatment method for giant magnetostrictive material Restoring magnetostriction characteristics without causing fusion of rod. By performing heat treatment on a giant magnetostrictive material within the temperature range of 750 to 860° C., working distortion is removed while bleeding of an R-rich phase on a rod surf... | 12/18/2007 |
| 7282103 | Iron-base amorphous alloy thin strip excellent in soft magnetic properties, iron core manufactured by using said thin strip, and mother alloy for producing rapidly cooled and solidified thin strip The present invention provides an iron-base amorphous alloy thin strip excellent in soft magnetic properties, an iron core manufactured by using said thin strip, and a mother alloy for producing a rapidly cooled and solidified thin strip. More specifically, the pres... | 10/16/2007 |
| 7276128 | Amorphous alloys for magneto-acoustic markers in electronic article surveillance having reduced, low or zero co-content and method of annealing the same A ferromagnetic resonator for use in a marker in a magnetomechanical electronic article surveillance system is manufactured at reduced cost by being continuously annealed with a tensile stress applied along the ribbon axis and by providing an amorphous magnetic allo... | 10/02/2007 |
| 7235910 | Selective etching process for cutting amorphous metal shapes and components made thereof A selective etching process cuts shapes from amorphous metal strip feedstock. The etching process comprises depositing a chemically resistant material to one side of the strip in a pattern that defines the requisite shape, mating the metal strip with a carrier strip... | 06/26/2007 |
| 7207102 | Method for forming permanent magnets with different polarities for use in microelectromechanical devices Methods are provided for forming a plurality of permanent magnets with two different north-south magnetic pole alignments for use in microelectromechanical (MEM) devices. These methods are based on initially magnetizing the permanent magnets all in the same directio... | 04/24/2007 |
| 7205766 | Magnet system and MRI system The present invention is intended to provide a magnet apparatus obviating the necessity of shield coils designed to suppress eddy currents. The magnet apparatus has gradient coils disposed in a bore of a cylindrical superconducting magnet, and includes a cylindrical... | 04/17/2007 |
| 7192492 | Process for the control of inhibitors distribution in the production of grain oriented electrical steel strips In the production of electrical steel strips, a special islab-reheating treatment before hot rolling is carried out so that the maximum temperature within the furnace is reached by the slab well before its extraction from the furnace. During the heating stage and pe... | 03/20/2007 |
| 7190101 | Stator coil arrangement for an axial airgap electric device including low-loss materials A dynamoelectric, rotating electric machine includes a stator assembly that includes stacked stator coil windings. The machine is preferably a polyphase, axial airgap device. Improved slot filling results from the stacked stator coil configuration. Device performanc... | 03/13/2007 |
| 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 |
| 7172661 | High strength nickel-based amorphous alloy A high precision alloy, and in particular, high-strength nickel-based amorphous compositions for fabrication of glass-coated microwires. ... | 02/06/2007 |
| 7144468 | Method of constructing a unitary amorphous metal component for an electric machine A unitary amorphous metal magnetic component for an axial flux electric machine such as a motor or generator is formed from a spirally wound annular cylinder of ferromagnetic amorphous metal strips. The cylinder is adhesively bonded and provided with a plurality of ... | 12/05/2006 |
| 7144463 | Highly quenchable Fe-based rare earth materials for ferrite replacement The present invention relates to highly quenchable Fe-based rare earth magnetic materials that are made by rapid solidification process and exhibit good magnetic properties and thermal stability. More specifically, the invention relates to isotropic Nd—Fe—B type... | 12/05/2006 |
| 7140728 | Method of forming magnetic eyeglass appliance An eyeglass accessory frame includes an auxiliary frame. The auxiliary frame includes a heat-treated magnetic alloy. The heat-treated magnetic alloy of the auxiliary frame is configured to magnetically couple the auxiliary frame to a primary frame having magnetizabl... | 11/28/2006 |
| 7138188 | Magnetic implement using magnetic metal ribbon coated with insulator A magnetic ribbon or sheet is coated with an electrical insulator prior to formation of a magnetic implement. Manufacture of the magnetic implement is accomplished in a single process without a need for co-winding magnetic and insulator ribbons. Thermal property dif... | 11/21/2006 |
| 7128790 | Iron-cobalt alloy, in particular for electromagnetic actuator mobile core and method for making same The invention concerns an iron-cobalt alloy, characterised in that it comprises in weight percentages: 10 to 22% of Co; traces to 2.5% of Si; traces to 2% of Al; 0.1 to 1% of Mn; traces to 0.0100% of C; a total of O, N and S content ranging between traces and 0.0070... | 10/31/2006 |
| 7105975 | Efficient axial airgap electric machine having a frontiron A rotating, dynamoelectric machine, such as an electric motor, a generator, or a regenerative motor, comprises a stator assembly that includes a backiron section, a plurality of stator tooth sections, and a frontiron. The dynamoelectric machine has an axial airgap-t... | 09/12/2006 |
| 7093362 | Method of connecting components of a modular fuel injector A method of fabricating a modular fuel injector permits the fabrication of the electrical group subassembly outside a clean room while a fuel group subassembly is fabricated inside a clean room. The fuel injector comprises a valve group subassembly and a coil group ... | 08/22/2006 |
| 7096075 | Apparatus, method and program for physical state controller For determination as to whether there is a possibility that temperature control satisfying conditions according to an upper limit LH_i and a lower limit LL_i of the annealing control temperatures of annealing object steel sections i will be realized under restrictio... | 08/22/2006 |
| 7089648 | Method for fabricating a magnetoresistive head There is provided a magnetoresistive head which can realize high sensitivity and low noise even when the reading track is being reduced. Longitudinal biasing is performed to a ferromagnetic free layer whose magnetization is rotated according to an external magnetic ... | 08/15/2006 |
| 7088247 | Amorphous alloys for magneto-acoustic markers having reduced, low or zero cobalt content, and associated article surveillance system A ferromagnetic resonator for use in a marker in a magnetomechanical electronic article surveillance system is manufactured at reduced cost by being continuously annealed with a tensile stress applied along the ribbon axis and by providing an amorphous magnetic allo... | 08/08/2006 |
| 7063904 | Exchange coupling film, magnetic detecting element using the exchange coupling film, and method of making same Each of an antiferromagnetic layer and a pinned magnetic layer has a region containing a Cr element, thereby increasing an exchange coupling magnetic field (Hex) produced between the antiferromagnetic layer and the pinned magnetic layer. Therefore, the exchange coup... | 06/20/2006 |
| 7056595 | Magnetic implement using magnetic metal ribbon coated with insulator A magnetic ribbon or sheet is coated with an electrical insulator prior to formation of a magnetic implement. Manufacture of the magnetic implement is accomplished in a single process without need for co-winding magnetic and insulator ribbons. Thermal property diffe... | 06/06/2006 |
