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| Number | Title | Issue Date |
| 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 from at least one metallic oxide such as a mixed oxide with spinel struc... | 09/16/2008 |
| 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 thereof) by substituting the transition metals for iron or cobalt to f... | 02/05/2008 |
| 7289010 | Mn-Zn based ferrite member There is provided a Mn—Zn based ferrite member excellent in mass productivity, high in withstand voltage, low in loss and excellent in direct current superposition property. The Mn—Zn based ferrite member is provided with a surface layer portion having the prope... | 10/30/2007 |
| 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 alkaline-earth metal constituent and exhibits a decrease in coercivity of not... | 08/14/2007 |
| 7244317 | Dispensible brazing paste A dispensable brazing paste useful in lamp manufacturing includes a brazing powder and a water soluble vehicle that has water, glycerin, a binder, and a dispersant that includes ammonium stearate and ammonium citrate. Preferably, the brazing powder is 84-87 wt % of ... | 07/17/2007 |
| 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 Fe2O3 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 elements, and contains a crystal phase comprising t... | 03/27/2007 |
| 7041265 | Alkaline earth metal-basic silicate particle Alkaline earth metal basic silicate particles having a silicate of an alkaline earth metal on the surfaces of the alkaline earth metal hydroxide particles, and having an SiO2/MO (M is an alkaline earth metal) molar ratio as a whole in a range of from 0.01... | 05/09/2006 |
| 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 short fibers, ceramic particles and a binder material toge... | 06/03/2003 |
| 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 insulating-layer forming solution, in which MgO has been dissolv... | 05/13/2003 |
| 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 exhibits a high anisotropic heat conductivity along the directi... | 02/11/2003 |
| 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 semiconductor film of silicon or germanium. The partially-reduced si... | 12/03/2002 |
| 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 magnet powder material and an insert or powder of a permane... | 07/23/2002 |
| 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 comprises pressing a mixed powder comprising a composition of ... | 06/11/2002 |
| 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 strength caused by the addition of a lubricant and have excelle... | 05/14/2002 |
| 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 powder. The method for preparing the ferrite powder is a me... | 04/30/2002 |
| 6296791 | Process for producing Mn-Zn ferrite A process for producing Mn--Zn ferrite is disclosed, which enables regeneration and reuse of scraps of a sintered product. The process comprises reusing a powder obtained by milling the sintered product of Mn--Zn ferrite, subjecting the powder to a compon... | 10/02/2001 |
| 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 first injection molding a thermoplastic material highly densif... | 06/19/2001 |
| 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, a resin binder, and an organic solvent into a slurry; and... | 04/24/2001 |
| 6217820 | Method of manufacturing ferrite sintered body A method of manufacturing a ferrite sintered body includes the steps of: adding B4 C in a ferrite raw material and firing the ferrite raw material, whereby the ferrite sintered body has a high μi and a high Q, is less irregular in its characte... | 04/17/2001 |
| 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 annealing to relieve stresses induced during the forming operatio... | 02/27/2001 |
| 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 give a sintered ferrite member having usefulness as an electr... | 01/16/2001 |
| 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 Fe2 O3, 0.1 to 8 mole % of manganese calculated as Mn... | 09/05/2000 |
| 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 agent which comprises (a) at least one of cyclododecane, cycl... | 05/16/2000 |
| 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 unsintered ceramic material. The resultant combination of materi... | 01/27/1998 |
| 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 5 hours, a second heating step of raising the temperature ... | 12/16/1997 |
| 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 the binder to liquify the binder and, at the elevated temper... | 03/18/1997 |
| 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 electrodes which are arranged in the sintered body to be se... | 03/12/1996 |
| 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, removing the core from the particulate material to leave a g... | 01/31/1995 |
| 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 which depolymerizes the polyacetal binder.... | 08/27/1991 |
| 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 layers containing an organic substance in an amount of 0.0... | 12/06/1988 |
| 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 binder and a minute particular additive which is added with... | 07/03/1984 |
| 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 sintering and result in the proper grain size and surface pr... | 01/27/1981 |
| 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 metal hydroxides are coprecipitated in controllably selecte... | 06/27/1978 |
| 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 process of this material is a solution of mineral salts or ox... | 11/22/1977 |
| 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, subjecting the mixture to rolling to form a sheet-like mas... | 11/08/1977 |
| 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 desired shape under compression and then sintered.... | 01/04/1977 |
| 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 form an aqueous solution, which is poured out in a thin la... | 01/04/1977 |
