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Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7892316 | Fine composite metal particles and their production method, micro-bodies, and magnetic beads Fine composite metal particle comprising a metal core and a coating layer of carbon, and being obtained by reducing metal oxide powder with carbon powder. ... | 02/22/2011 |
| 7763094 | Method of manufacturing high frequency magnetic material A precursor particle having a particle size of 10 nm or more and 1 μm or less, and comprising a first compound selected from an alkoxide, a hydroxide, a sulfate, a nitrate, a carbonate, or a carboxylate of magnetic metal containing at least one metal of Fe and Co, ... | 07/27/2010 |
| 7744673 | Hollow sphere metal oxides In accordance with invention, there are methods for fabricating hollow spheres and nanofoams. The method for making hollow spheres can include providing a homogeneous precursor solution including a first solvent and one or more anhydrous precursor species and formin... | 06/29/2010 |
| 7704297 | Nickel powder manufacturing method A melt of nickel nitrate hydrate is introduced as droplets or liquid flow into a heated reaction vessel and thermally decomposed in a gas phase at a temperature of 1200° C. or more and at an oxygen partial pressure equal to or below the equilibrium oxygen pressure ... | 04/27/2010 |
| 7648555 | Method of carrying out a reaction in a microreaction chamber Disclosed is a method for carrying out a reaction in a microreaction chamber. Nanoparticles which have been advantageously subjected to specific reactions in the microreaction chamber are used for carrying out the reaction. The obtained reaction product, which is pr... | 01/19/2010 |
| 7544230 | Method of manufacturing magnetic particle, magnetic particle and magnetic recording medium The solution I is spouted from a first nozzle into a mixing chamber as a high-pressure jet stream of not less than 1 MPa and as a turbulent flow having a Reynolds number of not less than 10000 during the flow into the mixing chamber, and the solution II having a low... | 06/09/2009 |
| 7497892 | Magnetic particles, method for producing the same, and magnetic recording medium Magnetic particles of the present invention comprising monocrystals of rare earth element-transition metal-metalloid having particle diameters of 5 nm to 50 nm. The magnetic particles are produced by a producing method comprising a step of fabricating a quenched thi... | 03/03/2009 |
| 7470308 | Method of producing magnetic particles and reaction method using microreactor and microreactor In a method of producing magnetic particles which includes the steps of preparing alloy particles capable of forming a CuAu or Cu3Au hard magnetic ordered alloy phase and of forming magnetic particles for forming CuAu or Cu3Au magnetic particle... | 12/30/2008 |
| 7384451 | Gas-liquid separation method and unit When a reaction liquid is passed through a gas-liquid separation pipe having a larger volume per unit length than the volume per unit length of a pipe, a headspace part into which gas can be released is formed above the gas-liquid separation pipe, and the byproduct ... | 06/10/2008 |
| 7384449 | Ferromagnetic nanoparticles, material coated with dispersion of ferromagnetic nanoparticles, and magnetic recording medium using the material Ferromagnetic nanoparticles which are produced by reducing, in the presence of a polymer, two or more metals having different reduction potentials twice or more, using two or more reducing agents having different reduction potentials, a material coated with a disper... | 06/10/2008 |
| 7347885 | Synthesis of metal nanoparticle compositions from metallic and ethynyl compounds A process of making metal nanoparticles comprising the steps of: providing a precursor composition comprising at least one metallic compound and at least one organic compound; wherein the organic compound is selected from the group consisting of an ethynyl compound,... | 03/25/2008 |
| 7338566 | Alloy for sm-co based magnet, method for production thereof, sintered magnet and bonded magnet The present invention relates to a Sm—Co based magnet alloy useful as a raw material for producing magnets having high magnetic properties, such as sintered or bonded magnets, methods for producing such an alloy, and sintered or bonded magnets having excellent cor... | 03/04/2008 |
| 7335245 | Metal and alloy nanoparticles and synthesis methods thereof The present teachings are directed toward single metal and alloy nanoparticles and synthesis methods for preparing single metal and alloy nanoparticles. ... | 02/26/2008 |
| 7329381 | Method for fabricating a metallic article without any melting A metallic article made of metallic constituent elements is fabricated from a mixture of nonmetallic precursor compounds of the metallic constituent elements. The mixture of nonmetallic precursor compounds is chemically reduced to produce an initial metallic materia... | 02/12/2008 |
| 7288134 | Dumbbell-like nanoparticles and a process of forming the same Dumbbell-shaped or flower-shaped nanoparticles and a process of forming the same, wherein the process comprises forming a mixture of a nanoparticle with a precursor in a first solvent, wherein the nanoparticle comprises a hydrophobic outer coating; heating the mixtu... | 10/30/2007 |
| 7270898 | Polycrystalline structure of ordered alloy and method of making the same Magnetic crystalline grains are spaced from each other on a base layer a polycrystalline structure. The magnetic crystalline grains are made of an ordered alloy. The ordered alloy serves to ensure the crystalline magnetic anisotropy energy larger than that of Co all... | 09/18/2007 |
| 7261760 | Member having separation structure and method for manufacture thereof A member having a separated structure made by an alloy consisting of two regions having different compositions with each other is formed by casting a molten alloy into a prescribed shape, or by spray-quenching the same from a temperature of Tc+10° C. or more, where... | 08/28/2007 |
| 7259101 | Nanoparticles and method for making the same A method for making nanoparticles, nanoparticle inks and device layers therefrom is disclosed. In accordance with the present invention, nanoparticles are isolated from a composite material that is formed by treating a metal oxide precursor to form the metal nanopar... | 08/21/2007 |
| 7259100 | Nanoparticles and method for making the same A method for making nanoparticles, nanoparticle inks and device layers therefrom is disclosed. In accordance with the present invention, nanoparticles are isolated from a composite material that is formed by treating a metal oxide precursor to form the metal nanopar... | 08/21/2007 |
| 7247188 | Particle producing method and particle producing apparatus A particle producing apparatus includes a reaction container, an introduction portion for introducing a source gas and a reaction inhibitor generating gas into the reaction container, an inert gas introduction portion for introducing a carrier gas into the reaction ... | 07/24/2007 |
| 7238472 | Non-alloying core shell nanoparticles The present invention relates composite core/shell nanoparticles and a two-step method for their preparation. The present invention further relates to biomolecule-core/shell nanoparticle conjugates and methods for their preparation. The invention also relates to met... | 07/03/2007 |
| 7235117 | Porous sulpha sponge iron compound, a process for preparing the same and a method for desulphurizing natural gas therewith This invention relates to a novel porous, sulpha sponge iron compound derived from haematite having the following composition given below: and having trace elements such as Au, Pt and Ag therein, by dissolving said haematite in concentrated hydrochloric acid. The ac... | 06/26/2007 |
| 7229690 | Microspheres including nanoparticles A microparticle can include a central region and a peripheral region. The peripheral region can include a nanoparticle, such as a metal nanoparticle, a metal oxide nanoparticle, or a semiconductor nanocrystal. The microparticle can be a member of a monodisperse popu... | 06/12/2007 |
| 7226636 | Gold-coated nanoparticles for use in biotechnology applications A process of preparing gold-coated magnetic nanoparticles is disclosed and includes forming a suspension of magnetic nanoparticles within a suitable liquid, adding an amount of a reducible gold compound and a reducing agent to the suspension, and, maintaining the su... | 06/05/2007 |
| 7211126 | Method for preparing non-magnetic nickel powders Provided is a method for preparing non-magnetic nickel powders. The method include (a) heating a mixture including a nickel precursor compound and a polyol to reduce the nickel precursor compound to nickel powders with a face-centered cubic (FCC) crystal structure, ... | 05/01/2007 |
| 7189438 | Magnetic recording medium, method of producing magnetic recording medium and magnetic storage apparatus A magnetic recording medium has a recording layer, disposed above a surface of a substrate and made of hard magnetic nano-particles. The hard magnetic nano-particles are made of an alloy having as a main component an element selected from a group consisting of FePt,... | 03/13/2007 |
| 7183104 | Separator and particle detection system The present invention is embodied in a system for collecting biological samples from air including a collection assembly to store at least one biological sample and a separator to remove selected particles from the air prior to entry into the collection assembly. In... | 02/27/2007 |
| 7175912 | Super-paramagnetic composite particle with core/shell structure, preparation method and use thereof The invention relates to a super-paramagnetic composite particle with core/shell structure, preparation method and use thereof. The composite particle is consisted of a core portion and a shell portion coated on the surface of the core portion, wherein said core por... | 02/13/2007 |
| 7172659 | Method for producing quenched R-T-B—C alloy magnet The present invention is a production method of an R-T-B—C rare earth alloy (R is at least one element selected from the group consisting of rare earth elements and yttrium, T is a transition metal including iron as a main component, B is boron, and C is carbon). ... | 02/06/2007 |
| 7147687 | Non-alloying core shell nanoparticles The present invention relates composite core/shell nanoparticles and a two-step method for their preparation. The present invention further relates to biomolecule-core/shell nanoparticle conjugates and methods for their preparation. The invention also relates to met... | 12/12/2006 |
| 7135055 | Non-alloying core shell nanoparticles The present invention relates to composite core/shell nanoparticles and a two-step method for their preparation. The present invention further relates to biomolecule-core/shell nanoparticle conjugates and methods for their preparation. The invention also relates to ... | 11/14/2006 |
| 7135117 | Well for processing a fluid A well (50) comprising a side wall (10), a sealing ring (40), a rib arrangement (5), and a filter (20), for use in processing a fluid, e.g., by microtitration or microfiltration, is disclosed. ... | 11/14/2006 |
| 7108927 | Magnetic recording medium The present invention relates to a magnetic recording medium comprising a magnetic layer on at least one side of a nonmagnetic substrate, the magnetic layer containing magnetic particles of a CuAu type or Cu3Au type ferromagnetic ordered phase, wherein a ... | 09/19/2006 |
| 7078276 | Nanoparticles and method for making the same A method for making nanoparticles, nanoparticle inks and device layers therefrom is disclosed. In accordance with the present invention, nanoparticles are isolated from a composite material that is formed by treating a metal oxide precursor to form the metal nanopar... | 07/18/2006 |
| 7066978 | Nanoparticle, method of producing nanoparticle and magnetic recording medium A method of producing a nanoparticle, the method comprising: a reducing step of adding an reverse micelle solution (II) obtained by mixing a water-insoluble organic solvent containing a surfactant with an aqueous metal salt solution to an reverse micelle solution (I... | 06/27/2006 |
| 7060350 | COMPOSITE MAGNETIC MATERIAL AND MAGNETIC MOLDING MATERIAL, MAGNETIC POWDER COMPRESSION MOLDING MATERIAL, AND MAGNETIC PAINT USING THE COMPOSITE MAGNETIC MATERIAL, COMPOSITE DIELECTRIC MATERIAL AND MOLDING MATERIAL, POWDER COMPRESSION MOLDING MATERIAL, PAINT, PREPREG, AND SUBSTRATE USING THE COMPOSITE DIELECTRIC MATERIAL, AND ELECTRONIC PART A composite magnetic material including a resin and generally spherical magnetic metal particles of at least one type dispersed in the resin and consisting essentially of single crystal grains, the metal particles having a mean particle size of 0.1 to 10 μm and eac... | 06/13/2006 |
| 7053021 | Core-shell synthesis of carbon-supported alloy nanoparticle catalysts There is provided a method of preparing carbon supported, ternary alloy composition core-shell PtVFe nanoparticles for use as fuel cell electrocatalysts. These catalysts have been found particularly useful for oxygen reduction reactions. The alloy nanoparticles can ... | 05/30/2006 |
| 7041607 | Method for fabricating crystalline-dielectric thin films and devices formed using same This invention describes a new method for forming and depositing thin films of crystalline dielectric materials. The present technique uses chemical synthesis to control the granularity and thickness of the dielectric films. This method has several key advantages ov... | 05/09/2006 |
| 7037605 | Magnetic particle coated material containing magnetic particles having CuAu type or CuAu type ferromagnetic ordered alloy phase, and method for producing the same The present invention is a magnetic particle coated material comprising: a first support having a magnetic layer formed on one surface thereof; and a second support having a magnetic layer formed on one surface thereof, wherein the first support and the second suppo... | 05/02/2006 |
| 7029514 | Core-shell magnetic nanoparticles and nanocomposite materials formed therefrom Monodisperse core-shell types of metal, metal oxide, and alloy nanoparticles with variable core diameters and shell thicknesses, and controlled synthesis methods for producing such nanoparticles are provided. Nanocomposite materials fabricated from nanoparticles, an... | 04/18/2006 |
