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7425284 |
Inert anode for the production of aluminium by fused bath electrolysis and method of making this anode
The purpose of the invention is a process for making a solid part designed to form all or part of an anode for the production of aluminium by fused bath electrolysis, containing a cermet formed...
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7326360 |
Cobalt ferrite based magnetostrictive materials for magnetic stress sensor and actuator applications
Magnetostrictive material based on cobalt ferrite is described. The cobalt ferrite is substituted with transition metals (such manganese (Mn), chromium (Cr), zinc (Zn) and copper (Cu) or mixtures...
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7255807 |
Bond magnet and ferrite magnetic powder for bond magnet
A ferrite magnetic powder for bond magnet that experiences only small decrease in coercivity when molded into a bond magnet is provided, which is a ferrite magnetic powder that includes an...
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7195717 |
Ferrite core for RFID application, method of manufacturing the same, and ferrite coil using the same
A ferrite core comprising a sintered oxide containing at least 48.6 to 53.9 mol % of Fe on Fe 2 O 3 basis, 12.3 to 35.2 mol % of Ni on NiO basis and 16.4 to 37.0 mol % of Zn on ZnO basis as metal...
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6571858 |
Method of manufacturing preform for compounding use
A method of manufacturing a preform for compounding use which, is to be impregnated with a molten metal to be compounded with a matrix material, is provided. The method includes the step of mixing...
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6562458 |
Iron powder and method for the preparation thereof
The invention concerns a process for the preparation of an insulated soft magnetic powder comprising the steps of mixing particles of a soft magnetic iron base powder with an acidic, aqueous...
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6517744 |
Curing composition for forming a heat-conductive sheet, heat-conductive sheet, production thereof and heat sink structure
A heat-conductive sheet comprising a cured or semi-cured binder wherein a carbon fiber is orientated in the direction of the thickness of the heat-conductive sheet. This heat-conductive sheet...
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6488885 |
Health support device and method of producing the same
A health support device having a lamination of a semiconductor film on a surface of a partially-reduced sintered material of titanium oxide. The semiconductor film is preferably a p-type...
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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...
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6403017 |
Process for producing Mn-Zn ferrite
A process for producing Mn—Zn ferrite having large electrical resistance and being durable to the use in high frequency region exceeding 1 MHz easily and at low cost is disclosed. The process...
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6387293 |
Composition for rare earth bonded magnet use, rare earth bonded magnet and method for manufacturing rare earth bonded magnet
A composition for a rare earth bonded magnet, the rare earth bonded magnet and the method for manufacturing the rare earth bonded magnet are provided that produce little decline in mechanical...
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6379579 |
Method for the preparation of soft magnetic ferrite powder and method for the production of laminated chip inductor
Provided are a method for preparing an Ni—Cu—Zn ferrite powder having excellent sinterability at a lower temperature, and a method for producing a laminated chip inductor from the above ferrite...
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6248289 |
Co-injection molding process for manufacturing complex and lightweight parts
A method for molding relatively complex and large shapes by a co-injection molding process which results in a significantly less expensive and lighter molded product. The process steps include...
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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,...
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6217820 |
Method of manufacturing ferrite sintered body
A method of manufacturing a ferrite sintered body includes the steps of: adding B 4 C in a ferrite raw material and firing the ferrite raw material, whereby the ferrite sintered body has a high...
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6193903 |
Method of forming high-temperature magnetic articles and articles formed thereby
Ceramic-coated powdered ferromagnetic materials for forming magnetic articles, and which maintain the mechanical and magnetic properties of the articles at high temperatures, such as during...
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6174453 |
High-density ferrite member and ferrite beads composition therefor
Disclosed is a method for the preparation of a ferrite beads composition suitable for compression-molding into a compression-molded ferrite body to be subjected to a sintering heat treatment to...
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6113843 |
Process for preparation of oxide magnetic compact
The process for the preparation of an oxide magnetic compact of the invention comprises: a step of preparing a mixed material which comprises 44 to 50 mole % of iron calculated as Fe 2 O 3 ,...
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6063322 |
Method for manufacturing shaped bodies from hard ferrites
A method for producing shaped bodies from hard ferrites, includes (a) providing a powder of hard ferrite material having a fine particle size; (b) adding to the powder a plastifying and bonding...
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5711912 |
Method for encapsulating elements such as magnets is sintered ceramic materials
A process for forming a ceramic coated element formed by first encapsulating the element within a sacrificial material and then encapsulating the element and the sacrificial material with an...
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5698145 |
Method for producing Mn-Zn ferrites
A method for sintering Mn--Zn ferrite green compacts is provided which includes a first heating step of raising the temperature from room temperature to 600° C. within a period from 30 minutes to...
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5613183 |
Manufacture of parts from particulate material
The disclosure relates to a method of binder removal from a green body before sintering or the like wherein the green body is initially heated to a temperature above the melting or flow point of...
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5498999 |
High-frequency use non-reciprocal circuit element
A high-frequency use non-reciprocal circuit includes a sintered body which is a high-frequency use magnetic body obtained by a ceramic lamination/integral firing technique, a plurality of central...
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5385700 |
Method of making a holder of ceramic material
The invention involves a method of making a holder of solid ceramic material by locating a core in a mass of particulate ceramic material, consolidating the particulate material around the core,...
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5043121 |
Process for removing polyacetal binder from molded ceramic greenbodies with acid gases
A process for rapidly removing the binder from a greenbody composed of a sinterable powder dispersed within a polyacetal binder is achieved by contacting the molded ceramic greenbody with an acid...
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4789510 |
Process for producing a shaped, sintered magnesia article having an enhanced resistance to hydration and an improved mechanical strength
A shaped, sintered magnesia article having an enhanced hydration resistance and an improved mechanical strength is produced by evenly coating fine individual magnesia particles with silica coating...
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4457851 |
Ferrite magnet and method of producing same
A ferrite magnet and a method of producing same, wherein a mixture of magnetoplumbite type ferrite particles contained as its principal constituent and at least one of a mixing medium, an organic...
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4247500 |
Fabrication of ferrite material
A method of fabricating ferrite material which results in high permeability and/or fast thruputs. Binder systems are employed such that the components burn out completely and sequentially during...
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4097392 |
Coprecipitation methods and manufacture of soft ferrite materials and cores
Manufacturing process for ferrimagnetic materials and pressure compacted soft ferrite components utilizing a "wet" process for compositional preparation of materials in which metal carbonates and...
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4059664 |
Method of manufacturing ferrimagnetic material for recording, read out and erase heads utilized in magnetic layer devices
A ferrimagnetic material imparts a very high efficiency and/or sensitivity to recording read-out and erase heads cooperating with magnetic layer devices. The starting point of the manufacturing...
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4057606 |
Method of producing anisotropic ferrite magnet
A method is provided which comprises preparing pulverized ferrite having a magnetoplumbite type crystal structure of hexagonal system, mixing and kneading the ferrite with a viscous binding agent,...
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4001363 |
Method of manufacturing a ceramic ferromagnetic object
A method of manufacturing a formed, ferromagnetic object, particularly an annular memory core, in which a quantity of ferrite powder, a ferrite sol and a polymerized, organic compound are mixed to...
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4001364 |
Method for improving the physical properties of ceramics
A method of improving the physical properties, such as workability and impact strength, of ceramics, wherein particles of ceramics are coated with atactic polypropylene, subsequently formed into...
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3897355 |
Method of making permanent ferrite magnets
A method of making sintered magnetoplumbite ferrite compositions having the formula MFe 12 O 19 wherein M is selected from the group consisting of strontium and barium is provided. The steps...
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3611196 |
INTEGRATED MICROWAVE SYSTEM HAVING A HYBRID STRUCTURE WITH A NONMAGNETIC DIELECTRIC CERAMIC SUBSTRATE
An integrated microwave system having a hybrid structure using a nonmagnetic dielectric ceramic substrate consisting of a sintered ferrite having a lower Curie point than the lowest operating...
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3538600 |
METHOD OF DEBURRING MAGNETIC CORES
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3378896 |
Continuous process of preparing fired ferrite cores
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3372216 |
Method of manufacturing a magnetic memory core
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3371044 |
Ferrite magnets
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3300411 |
Fluxes for sintering lithium ferrites
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3247573 |
Method of making magnetic ferrite sheet with embedded conductors
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3246060 |
Method of making machinable high energy permanent magnets
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3242089 |
Heat-treating method for modifying permeability and quality factor of nickel-zinc-cobalt ferrite
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3197412 |
Ferrite compositions
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3178369 |
Method for preparing ferrite core
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3152082 |
Ferromagnetic structure and method for preparing same
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3110675 |
Method of fabricating ferrite bodies
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3042618 |
Preparation of a bistable ferrite circuit element
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3031407 |
Method of producing ferrite bodies
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3019189 |
Mixed ferrites by a coprecipitation process
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