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7547367 Method for producing magnetically active shape memory metal alloy  
The invention relates to a method for producing magnetically active shape memory metal alloy, said metal alloy containing nickel, manganese and gallium. In the method, the different components of...
7479621 Magnetic annealing tool heat exchange system and processes  
A heat exchange system and processes for a magnetic annealing tool is provided. The system includes a process chamber housing workpieces to be processed; an element chamber partly surrounding the...
7469604 Sensor system including a magnetized shaft  
A sensor includes a shaft and a magnetic sensor. The shaft may have at least one magnetized active region. The magnetic sensor may be configured to sense a magnetic field about the shaft, and may...
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...
7425353 Enhancement of magnetic media recording performance using ion irradiation to tailor exchange coupling  
Magnetic medium recording performance can be enhanced by irradiating a magnetic medium with ions having an acceleration voltage of between 10 keV and 100 keV to induce exchange coupling between...
RE40348 Arc segment magnet, ring magnet and method for producing such magnets  
A thin arc segment magnet made of a an R- T - B based, rare earth sintered magnet substantially comprising 28-33 weight % of R and 0.8-1.5 weight % of B, the balance being substantially Fe ...
7363827 Torque sensor system including an elliptically magnetized shaft  
A torque sensor includes a shaft and a magnetic sensor. The shaft may have at least one active region having an elliptical magnetization. The magnetic sensor may be configured to sense a magnetic...
7238297 Composition of matter tailoring: system I  
The present invention relates to new compositions of matter, particularly metals and alloys, and methods of making such compositions. The new compositions of matter exhibit long-range ordering and...
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 ...
7144642 Permanent magnet and method for preparation thereof  
A ferrite magnet obtained by adding a ferrite having a hexagonal W-type magnetoplumbite structure to a ferrite having a hexagonal M-type magnetoplumbite structure, in which a portion of Sr, Ba, Pb...
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...
7056599 Steel sheet for magnetic shields and manufacturing method thereof  
A steel sheet for a magnetic shield comprising less than 0.005% by weight of C and 0.0003 to 0.01% by weight of B, and having a thickness of 0.05 to 0.5 mm and an anhysteresis magnetic permeability...
6941637 Method of manufacturing a motor comprising a rare earth thick film magnet  
The method of manufacturing rare earth thick film magnet comprising a step of forming an alloy layer of 30-100 μm thick having a general formula R X B Y TM Z on a substrate by a physical...
6780338 Method for processing a stent processed with tools containing magnetizing components  
The subject invention pertains instruments for use in nuclear spin tomography comprising a metal alloy comprising aluminum, vanadium, and titanium. In a specific embodiment, the subject invention...
6635361 Magnetic shielding steel sheet and method for producing the same  
A steel sheet for magnetic shields is provided containing 0.15% by weight or less of C and having a thickness of 0.05-0.5 mm and an anhysteretic magnetic permeability of 7500 or higher.
6623566 Method of selection of alloy compositions for bulk metallic glasses  
A method for selecting alloying elements for complex, multi-component amorphous metal alloys is provided in which the solvent element is the largest atom with a concentration of 40-80 at %, the...
6562473 Electrical steel sheet suitable for compact iron core and manufacturing method therefor  
Electrical steel sheets having superior magnetic properties, anti-noise properties, and workability, are ideal for use a compact iron core material in electric apparatuses, such as compact...
6538572 Printed bias magnet for electronic article surveillance marker  
The present invention replaces the conventional bias magnets for EAS markers with a paintable or printable bias magnet material, which is either directly painted onto the EAS marker or first placed...
6517934 Magnetic recording medium containing nanometer-size substantially spherical or ellipsoidal fe-b-re magnetic powder and method for producing magnetic powder  
A rare earth-iron-boron magnetic powder comprising a rare earth element, iron and boron, which has a coercive force of 80 to 400 kA/m, a saturation magnetization of 10 to 25 μW/g, an average...
6423264 Process for forming rotating electromagnets having soft and hard magnetic components  
A method of a manufacturing rotating electromagnetic component to have both soft and hard (permanent) magnet regions, in which powder technologies are used to net-shape mold the component. A soft...
6387522 Grain-oriented electrical steel sheet for low-noise transformer  
The present invention provides a grain-oriented electrical steel sheet, for a low noise transformer, capable of reducing higher harmonics which are highly audible and lowering noise effectively,...
6383406 Method for preparing high cure temperature rare earth iron compound magnetic material  
Insertion of light elements such as H,C, or N in the R 2 Fe 17 (R=rare earth metal) series has been found to modify the magnetic properties of these compounds, which thus become prospective...
6344168 Method of producing R-Fe-B type sintered magnet, method of preparing alloy powder material for R-Fe-B type sintered magnet, and method of preserving the same  
The method of producing an R—Fe—B type sintered magnet according to the present invention includes the steps of: (a) preparing an alloy powder material in a first state, in which a first amount...
6328825 Alloy used for production of a rare-earth magnet and method for producing the same  
An alloy used for the production of a rare-earth magnet alloy, particularly the boundary-phase alloy in the two-alloy method is provided to improve the crushability. The Alloy consists of (a) from...
6221270 Process for producing compound for rare earth metal resin-bonded magnet  
A process for producing a compound for a rare earth metal resin-bonded magnet includes: a slurry preparation step of mixing materials containing a magnetic alloy powder of a rare earth metal alloy,...
6117205 Soft magnetic metal components manufactured by powder metallurgy and infiltration  
Corrosion-resistant, soft magnetic metal components manufactured by powder metallurgy and infiltration processes are disclosed. The magnetic components are manufactured by a powder metallurgy...
6060172 Fe-based rapidly quenched metal strip  
The present invention relates to a rapidly quenched metal strip used as a core material for transformers, magnetic shields, choke coils, etc., and to an Fe-based rapidly quenched metal strip having...
6027576 Rare earth element-iron-boron permanent magnet and method for the manufacture thereof  
In a method for manufacturing a permanent magnet, a powder of a magnetic base alloy and powders of first and second binder alloys are mixed. The magnetic base alloy has a general formula SE 2 T 14...
6017490 Pressed body of amorphous magnetically soft alloy powder and process for producing same  
A powder of composite particles is prepared by adhering to the surfaces of particles of an amorphous magnetically soft alloy particles of a glass having a softening point lower than the...
5888416 Rare-earth bonded magnet composition, rare-earth bonded magnet and process for producing said rare-earth bonded magnet  
The addition of a chelating agent or a chelating agent and an antioxidant in combination to a rare-earth bonded magnet composition and a rare-earth bonded magnet comprising a rare-earth magnetic...
5882436 Giant magnetoresistive heterogeneous alloys and method of making same  
The inventive material exhibits giant magnetoresistance upon application of an external magnetic field at room temperature. The hysteresis is minimal. The inventive material has a magnetic phase...
5801630 Article surveillance magnetic marker having an hysteresis loop with large barkhausen discontinuities at a low field threshold level  
A harmonic-type EAS marker includes a wire segment formed of cobalt alloy. To form the wire segment, the cobalt alloy is cast as an amorphous wire, die-drawn to a smaller diameter, and then...
5792546 Magneto-resistive head and method of producing the same  
A magneto-resistive head is provided with a substrate, a lower shield layer made of a Fe-system magnetic material and provided above the substrate, and a non-magnetic insulator layer provided above...
5766763 Hexagonal system ferrite powder for a high density magnetic recording medium  
A magnetic powder is disclosed which is characterized by possessing a powder compression characteristic such that the magnetic powder, after being packed in a closed container, pressed at a load of...
5755986 Soft-magnetic dielectric high-frequency composite material and method for making the same  
A high-frequency composite material, having soft magnetic and dielectric characteristics, comprising a soft magnetic alloy powder represented by the general composition A a M b D c and a...
5725684 Amorphous hard magnetic alloy, amorphous hard magnetic cast alloy, and method for producing the same  
It is an object of the present invention to provide an amorphous hard magnetic alloy which can be produced by a casting method having a low cooling rate and has a large thickness not achieved by...
5605753 Magneto-plumbite ferrite particles for magnetic card, process for producing the same, and magnetic card using the same  
Disclosed herein is magneto-plumbite ferrite particles for magnetic cards, which are represented by the following general formula: AOn{(Fe 1 -(a+b) Bi a M b ) 2 O 3 } wherein A represents...
5601662 Method of introducing magnetic anisotropy into magnetic material  
There is disclosed a method of introducing magnetic anisotropy into a magnetic material, in which a laser beam is selectively radiated on the surface of a magnetic material to locally heat it,...
5585170 Placement of electric-field-responsive material onto a substrate  
Disclosed is a process using an electric field for contacting a substantially neutrally charged material, that is responsive to an electric field, with a substrate. Also disclosed is a disposable...
5562852 Resin magnetic compound and molded article thereof  
A resin magnetic compound is disclosed, comprising (i) from 65 to 77% by weight of a magnetic powder having been surface treated with from 0.01 to 5% by weight, based on the magnetic powder, of a...
5492754 Absorbent composition including a magnetically-responsive material  
Disclosed is an absorbent composition including a hydrogel-forming polymeric material and a magnetically-responsive material; disposable absorbent products, including the absorbent composition,...
5491219 Ferritin with ferrimagnetically ordered ferrite core and method technical field  
Biocompatability and orders greater magnetic responsiveness characterize a uniquely useful new product, magnetoferritin, comprising ferritin having a ferrimagnetically ordered ferrite core in place...
5455563 Magnetic marker and method for modifying the magnetic properties thereof  
A method of modifying the magnetic properties of a thin film of a magnetically active material is provided which comprises forming surface modulations on the material in order to partition it into...
5181020 Thin-film magnetic material and process of production thereof  
A thin-film magnetic material is formed on a polymer substrate. The material exhibits large Barkhausen discontinuity without intentional application of external tensile or torsional stress. The...
5102477 Method of manufacturing high permeability Fe-Ni system alloy  
A method of producing Fe-Ni system high permeability alloy comprising the steps of obtaining cast steel sheet 0.3 to 7 mm thick by direct casting of a steel melt containing 35 to 85% by weight of...
5089159 Magnetic substance having sharp permeability transition temperature, process for making, and apparatus  
A magnetic mateial which includes an impurity metal of relatively large atomic diameter such as zinc, titanium, zirconium, yttrium, or cadmium introduced uniformly therein in amount sufficient to...
4849034 Thermal treatment for increasing magnetostrictive response of rare earth-iron alloy rods  
Magnetostrictive rods formed from rare earth-iron alloys are subjected to a short time heat treatment to increase their Magnetostrictive response under compression. The heat treatment is preferably...
4770704 Continuous method for manufacturing grain-oriented magnetostrictive bodies  
The invention comprises a continuous casting and crystallization method for manufacturing grain-oriented magnetostrictive bodies. A magnetostrictive alloy is melted in a crucible having a bottom...
4622159 Method for the preparation of fine hexagonal ferrite powders, in particular, for magnetic recording  
The method disclosed by which to prepare fine hexagonal ferrites for use in magnetic recording, is one which consists basically in dissolving (a) carbonates or other soluble compounds of an...
4619861 Magnetic powders with improved dispersibility  
Magnetic powders have a thin film of a nitrogen- or sulfur-containing organic polymer synthesized on the individual particles by plasma polymerization. The film is not more than 100 Å in thickness.
Matches 1 - 50 out of 102 1 2 3 >