Aichi Steel Corporation Patent applications |
Patent application number | Title | Published |
20150354042 | FORGED COMPONENT, METHOD FOR MANUFACTURING THE SAME, AND CONNECTING ROD - A forged component having a chemical composition including, by mass %, C: 0.30 to 0.45%, Si: 0.05 to 0.35%, Mn: 0.50 to 0.90%, P: 0.030 to 0.070%, S: 0.040 to 0.070%, Cr: 0.01 to 0.50%, Al: 0.001 to 0.050%, V: 0.25 to 0.35%, Ca: 0 to 0.0100%, N: 0.0150% or less, and the balance being Fe and unavoidable impurities, and satisfying formula 1. Metal structure is a ferrite pearlite structure, and a ferrite area ratio is 30% or more. Vickers hardness is in the range of 320 to 380 HV. 0.2% yield strength is 800 MPa or more. A Charpy V-notch impact value is in the range of 7 to 15 J/cm | 12-10-2015 |
20150265379 | IMPLANT OVERDENTURE SYSTEM AND IMPLANT - An implant overdenture system is used to fix an implant overdenture onto alveolar ridge by the support of implants. The implant overdenture has artificial teeth, a denture base, and magnetic assemblies. The implants each have an implant body and a keeper. A largest circumscribed circle diameter d | 09-24-2015 |
20150234017 | MAGNETIC FIELD DETECTING DEVICE - A magnetic field detecting device which comprises a magnetic impedance sensor including a magnetic impedance element | 08-20-2015 |
20150232984 | METHOD FOR ETCHING ORGANIC FILM - A method for etching an organic film | 08-20-2015 |
20150231406 | MAGNETIC FIELD GENERATOR FOR PROMOTING BONE GROWTH, AND IMPLANT DEVICE AND DENTURE FOR IMPLANT PROTECTION USING THE SAME - A magnetic field generator is attachable to an implant body formed from a non-magnetic material to be inserted in a jawbone. The magnetic field generator includes a magnet body that generates magnetism. The magnetic field generator is mountable to and removable from the implant body. The magnetic field generator in a state of being mounted to the implant body forms a magnetic field around the implant body. | 08-20-2015 |
20150219731 | MAGNETIC FIELD DETECTING DEVICE - A magnetic field detecting device which comprises a magnetic impedance sensor including a magnetic impedance element | 08-06-2015 |
20150145625 | MAGNETIC FIELD GENERATING DEVICE AND OFFSET CALCULATING METHOD - A magnetic field generating device includes a triaxial Helmholtz coil | 05-28-2015 |
20150101257 | ABRASIVE MATERIAL FOR SHOT BLASTING, AND METHOD FOR PRODUCING SAME - The abrasive material contains Fe, Si, Ca, Al, Mg and Mn and has an amorphous continuous phase, wherein the total amount of Fe, Si and Ca is 50.0% or more by mass in terms of the total content of FeO, SiO | 04-16-2015 |
20150023833 | ELECTRIC FURNACE STEEL FOR CARBURIZING WITHOUT MO ADDITION AND MANUFACTURING METHOD THEREFOR - An electric furnace steel contains, by mass %, C: 0.12 to 0.28%, Si: equal to or less than 0.15%, Mn: 0.65 to 0.95%, P: equal to or less than 0.035%, S: equal to or less than 0.035%, Cr: 1.35 to 1.90%, Al: 0.020 to 0.050%, and N: 0.0080 to 0.0230%. A scrap material is selected such that Cu, Ni, and Mo that derive from the scrap material and are thus contained as impurities in the electric furnace steel satisfy Expression 1. The electric furnace steel further contains Fe and unavoidable impurities as a remainder thereof. Accordingly, the electric furnace steel can secure carburizing quality equivalent to or higher than that of Cr—Mo steel, and can have properties equivalent to or higher than that of Cr—Mo steel, without adding Mo. | 01-22-2015 |
20130259954 | Liquid for Treatment of Citrus Greening Disease and Treatment Method Using Same - Provided are: a liquid for treatment of Citrus greening disease, which is capable of curing citrus trees with Citrus greening disease; and a treatment method using the liquid. The liquid for treatment of Citrus greening disease contains Fe ions and at least some of the Fe ions are present in the form of Fe | 10-03-2013 |
20130181705 | MAGNETO-IMPEDANCE SENSOR ELEMENT AND METHOD FOR PRODUCING THE SAME - An MI sensor element | 07-18-2013 |
20130093121 | PRODUCTION METHOD FOR ANISOTROPIC BONDED MAGNET AND PRODUCTION APPARATUS FOR SAME - A method for production of an anisotropic bonded magnet includes: aligning magnetic pole bodies which include an even number of permanent magnets arranged uniformly around an outer periphery of an annular cavity filled with magnetic raw material, aligning magnetic fields to cause rare-earth anisotropic magnet powder to be semi-radially aligned; compressively molding the semi-radially aligned magnet raw material to obtain an annular compact; discharging the compact from the annular cavity; demagnetizing causing the aligning magnetic pole bodies to relatively move only in circumferential direction with respect to the compact after the molding step thereby to apply demagnetization magnetic fields to the compact. The demagnetization magnetic fields are applied from the aligning magnetic pole bodies with opposite poles to those during the alignment step, and the demagnetization magnetic fields are in directions for cancelling the magnetization of the compact caused by the aligning magnetic fields. | 04-18-2013 |
20130069747 | CASE-INTEGRATED BONDED MAGNET AND PRODUCTION METHOD FOR SAME - A production method for a case-integrated bonded magnet includes: filling a tubular cavity with a magnet raw material that includes a rare-earth magnet powder and a thermosetting resin binder; heating the magnet raw material to cause the thermosetting resin softened or melted while compressively molding the magnet raw material to obtain a tubular compact; discharging the tubular compact from the tubular cavity while press-fitting the tubular compact into a metal tubular case having an inner peripheral surface coaxial with the tubular cavity; and heat-curing the tubular compact with the tubular case to cure the thermosetting resin. The tubular compact press-fitted into the tubular case is thermally cured thereby causing the tubular compact to transform to a tubular bonded magnet, which expands unexpectedly due to heat. | 03-21-2013 |
20130038323 | MAGNETO-IMPEDANCE ELEMENT AND MAGNETO-IMPEDANCE SENOR INCLUDING DETECTION COIL. - A magneto-impedance element includes a magnetic sensitive member having a form of a line, whose electromagnetic characteristics vary depending on an external magnetic field, a pulse current flowing from one to another end portion thereof in an axial direction. A conductive layer is arranged on an insulating layer provided on an outer surface of the magnetic sensitive member. A connection portion, electrically connecting the magnetic sensitive member and the conductive layer, is arranged on the other end portion in the axial direction of the magnetic sensitive member. A detection coil, outputting an induced voltage corresponding to an intensity of an external magnetic field acting on the magnetic sensitive member when the pulse current flows in the magnetic sensitive member, is wounded around the conductive layer. A direction of the pulse currents flowing in the magnetic sensitive member and in the conductive layer are opposite each other. | 02-14-2013 |
20130034831 | DENTURE ATTACHMENT - A magnetic device includes a cylindrical portion and a flange portion. The cylindrical portion is mounted with a cylindrical shaped flexible sleeve. The sleeve is axially longer than the cylindrical portion and includes an outer peripheral concavo-convex portion. When one end of the sleeve is abutted on a flange portion, the other end of the sleeve is projected above an attractive surface to form a keeper housing recess. The sleeve is relatively moved in an axial direction of the magnetic device to be inserted into and removed from a top end of the cylindrical portion. The magnetic device is used under condition the sleeve is fitted, an outer side surface of the magnetic device including the outer peripheral concavo-convex portion of the sleeve and the flange portion abutted on the one end of the sleeve is embedded in a denture base, and the keeper housing recess is exposed. | 02-07-2013 |
20130009736 | ANISOTROPIC RARE EARTH MAGNET POWDER, METHOD FOR PRODUCING THE SAME, AND BONDED MAGNET - The anisotropic rare earth magnet powder of the present invention includes powder particles having R | 01-10-2013 |
20120299675 | ANISOTROPIC RARE EARTH MAGNET AND METHOD FOR PRODUCING THE SAME - A method for producing an anisotropic rare earth magnet according to the present invention comprises a forming step of obtaining a formed body by press-forming a mixed raw material of a magnet raw material capable of generating R | 11-29-2012 |
20120038358 | ULTRA-SENSITIVE MAGNETOIMPEDANCE SENSOR - Provided is a magnetoimpedance (MI) sensor having a high magnetic sensor sensitivity and a wide measurement range. The MI sensor comprises an MI element, an electric current supply unit and a signal processing circuit. The MI element comprises a magnetosensitive wire formed of an amorphous soft magnetic alloy having zero magnetostriction, and a detection coil provided around the magnetosensitive wire with an electric insulator disposed therebetween, thereby detecting voltage generated at the detection coil and corresponding to an external magnetic field upon application of a high frequency electric current to the magnetosensitive wire. The electric current supply unit supplies the high frequency electric current to the MI element. The signal processing circuit processes an output signal from the detection coil. In this MI sensor, the magnetosensitive wire has at least a surface layer in which spins are aligned in a circumferential direction of the wire, and the high frequency electric current has a frequency in the range of 0.3 to 1.0 GHz inclusive. | 02-16-2012 |
20120013332 | MAGNETIC DETECTION DEVICE - A magnetic detection device of the present invention includes at least one pair of first magnetosensitive bodies each comprising a soft magnetic material extending in a first axis direction and being sensitive to an external magnetic field oriented in the first axis direction; and a magnetic field direction changer comprising a soft magnetic material and changing an external magnetic field oriented in a different axis direction from the first axis direction into a measurement magnetic field having a component in the first axis direction which can be detected by the at least one pair of first magnetosensitive bodies. With this magnetic detection device, the external magnetic field oriented in the different axis direction can be detected by way of the first magnetosensitive bodies. As a result, while attaining magnetic detection with high accuracy, the magnetic detection device can be reduced in size or thickness by omitting a magnetosensitive body extending long in the different axis direction. | 01-19-2012 |
20110291649 | MAGNETO-IMPEDANCE SENSOR ELEMENT AND METHOD FOR MANUFACTURING THE SAME - A magneto-impedance sensor element is formed in a planar type structure in which an amorphous wire is incorporated in a substrate. The magneto-impedance sensor element includes a nonmagnetic substrate, an amorphous wire arranged in an aligning direction of a planar pattern that forms a detecting coil, a spiral detecting coil formed of a planar pattern and a cubic pattern on an outer periphery of the amorphous wire, a planar insulating portion that insulates the planar pattern from the amorphous wire, a wire fixing portion to fix the amorphous wire on an upper surface of the planar insulating portion, and a cubic insulating portion that insulates the cubic pattern from the amorphous wire. | 12-01-2011 |
20110248591 | Anisotropic bonded magnet and direct current motor using the same - An anisotropic bonded magnet molded in a ring shape to be used to excite a brush-equipped direct current motor. A magnetic flux density distribution in each of magnetic pole sections of the ring shape forms an asymmetric distribution which includes a magnetic flux density reduced portion wherein the absolute value rises from a neutral axis opposite to a rotation direction of an armature with a delay with respect to a rotation direction of the armature, and in which the absolute value falls more rapidly than a rise thereof in the rotation direction of the armature with respect to a neutral axis in the rotation direction of the armature. | 10-13-2011 |
20110089512 | MAGNETO-IMPEDANCE SENSOR ELEMENT - A magneto-impedance sensor element 1 has a base body 2, a magnetic amorphous wire 3, a coating insulator 4, a detecting coil 5, a terminal base 6 having a terminal mounting surface 61, wire electrode terminals 11 and coil electrode terminals 12 formed on the terminal mounting surface 61, wire connecting wirings 110 for electrically connecting the wire electrode terminals 11 and a pair of wire conducting terminals 31 provided to the magnetic amorphous wire 3, and coil connecting wirings 120 for electrically connecting the coil electrode terminals 12 and a pair of coil conducting terminals 51 provided to the detecting coil 5. A normal of the terminal mounting surface 61 has a longitudinal direction component of the magnetic amorphous wire 3, and the terminal mounting surface 61 is arranged between both ends of the magnetic amorphous wire 3 in the longitudinal direction of the magnetic amorphous wire 3. | 04-21-2011 |
20110080164 | MAGNETO-SENSITIVE WIRE, MAGNETO-IMPEDANCE ELEMENT AND MAGNETO-IMPEDANCE SENSOR - The magneto-sensitive wire of the invention has a vortex-spin structure and hence includes no magnetic domain walls, so that the magneto-sensitive wire of the invention has an excellent hysteresis characteristic exhibiting nearly zero hysteresis. Therefore, the linearity related to the output voltage characteristic for the applied magnetic field in the determination range of an MI sensor is significantly improved as compared to MI sensors using the conventional magneto-sensitive wires. Using the magneto-sensitive wire of the invention makes it possible to provide a magneto-impedance (MI) element exhibiting a higher precision than the conventional ones and further provide a sensor using such an MI element. | 04-07-2011 |
20100065156 | Method for producing rare earth anisotropic bond magnets, method for orientation processing of magnetic molded bodies, and in-magnetic filed molding apparatus - The present invention relates to a method for producing a rare earth anisotropic bond magnet containing a hollow cylindrically shaped magnetic molded body having, at the hollow cylindrically shaped side face thereof, at least 4 or more orientation portions that are oriented with semi-radial distribution by compression molding of a magnetic material after thermally orienting step, wherein intermediate aligning magnetic fields applied in the thermally orienting step to between adjacent cavities are the mostly same in their magnetic directions. A plurality of rare earth anisotropic bond magnets can be efficiently produced at one time. | 03-18-2010 |
20090146518 | Anisotropic bonded magnet for use in a 4-pole motor, a motor employing that magnet, and an alignment process apparatus for the anisotropic bonded magnet for use in a 4-pole motor - A hollow cylindrically shaped anisotropic bonded magnet for use in a 4-pole motor, is formed by molding anisotropic rare-earth magnet powder with resin. The alignment distribution of the anisotropic rare-earth magnet powder in a cross section perpendicular to the axis of the anisotropic bonded magnet is in the normalized direction of the cylindrical side of the hollow cylindrical shape in the main region of a polar period, and in a transition region in which the direction of the magnetic pole changes, steadily points towards a direction tangential to the periphery of the cylindrical side at points closer to the neutral point of the magnetic pole, and becomes a direction tangential to the periphery of the cylindrical side at that neutral point, and steadily points toward the normalized direction of the cylindrical side at points farther away from the neutral point. | 06-11-2009 |