217 results about "Oxide matrix" patented technology

Resistance-switching oxide films, and devices therewith, are disclosed. Resistance-switching oxide films, according to certain preferred aspects of the present invention, include at least about 75 atomic percent of an insulator oxide matrix having a conducting material dopant in an amount up to about 25 atomic percent. The matrix and dopant are preferably in solid solution. The insulator oxide matrix may also preferably include about 6 to about 12 atomic percent of a conducting material dopant. According to certain aspects of the present invention, the insulator oxide matrix, the conducting material dopant, or both, may have a perovskite crystal structure. The insulator oxide matrix may preferably include at least one of LaAlO₃ and CaZrO₃. Preferred conducting material dopants include SrRuO₃, CaRuO₃, or combinations thereof.

An FCC catalyst which not only deactivates catalyst poison metals, such as nickel, vanadium and the like, in feedstock oils, inhibits the generation of hydrogen or coke, has excellent cracking activity and bottom oil-treating ability, and can yield a gasoline and LCO fraction in high yields, but also retains the performances on a high level over long and has an improved catalyst life; and an FCC method using the catalyst. The FCC catalyst has a compound of a bivalent metal or of bivalent and trivalent metals showing an XRD pattern of a carbonate of the bivalent metal; an inorganic oxide matrix and the compound dispersed therein; or an inorganic oxide matrix and the compound dispersed therein together with a crystalline aluminosilicate zeolite, and relates to an FCC method in which at least one of the catalysts are used in combination with an FCC catalyst obtained by evenly dispersing a crystalline aluminosilicate zeolite in an inorganic oxide matrix.

A process and apparatus for the decontamination of gaseous contaminants (especially oxygen, carbon dioxide and water vapor) from hydride gases (including their lower alkyl analogs) down to <=100 ppb contaminant concentration are described. The critical component is a high surface area metal oxide substrate with reduced metal active sites, which in various physical forms is capable of decontaminating such gases to <=100 ppb, <=50 ppb or <=10 ppb level without being detrimentally affected by the hydride gases. The surface area of the substrate will be >=100 m2/g, and preferably 200-800 m2/g. Oxides of various metals, especially manganese or molybdenum, can be used, and mixtures of integrated oxides, or one type of oxide coated on another, may be used. The substrate is preferably retained in a hydride-gas-resistant container which is installed in a gas supply line, such as to a gas- or vapor-deposition manufacturing unit. The invention provides final decontamination for hydride gas streams intended for gas- or vapor-deposition formation of high purity LED, laser (especially blue laser), electronic, optical or similar products, and can be used in combination with upstream preliminary decontamination process and/or upstream or downstream solid particulate removal units.

The invention relates to a sulfonylation graphene oxide magnetic adsorbent, and a preparation method and application thereof. The adsorbent uses graphene oxide nanosheet as a substrate; the substrate surface is loaded with magnetic ferrite nanoparticles, and contains a large amount of sulfonic acid. The method comprises the following specific steps: first subjecting a graphite powder to pre-oxidation and deep oxidation, and conducting ultrasonic separation to obtain a graphene oxide solution; then adding a mixed solution of iron ions and ferrous ions; rapidly adding ammonia solution while stirring to obtain magnetic graphene oxide; and finally grafting aminobenzene sulfonic acid to magnetic graphene oxide matrix, washing and determining a constant volume to obtain a final product. The product has good adsorption effect on the heavy metals, copper and cadmium, and organic aniline. The product has the advantages of low cost, large specific surface area, high adsorption capacity and easy separation and recovery. The invention can be used for treating wastewater from smelting factory, electronics factory, chemical plant and electroplating plant.

Nanocrystal-metal oxide-polymer composites and their methods of preparation are described. The composites comprises a number of nanocrystals within a metal oxide matrix, and an oligomer or polymer covalently bonded to organic reactive groups of the metal oxide matrix. The composites can be applied to a variety of electronic devices. The electronic devices constructed from the composites do not decrease in performance rapidly due to degradation and exhibit improved stability.

A ceramic honeycomb filter comprising a sintered ceramic honeycomb body having porous partition walls defining flow paths, and plugs formed in predetermined flow paths for removing particulate matter from an exhaust gas passing through the porous partition walls, the sintered ceramic honeycomb body being formed by a cordierite-based ceramic material, at least part of the plugs comprising ceramic particles and an amorphous oxide matrix formed from colloidal oxide.

The present invention provides a hologram recording material which attains high refractive index change, high sensitivity, low scattering, environment resistance, durability, low dimensional change and high multiplicity, and is suitable for volume hologram recording; a process for producing the hologram recording material; and a hologram recording medium. A hologram recording material comprising a metal oxide matrix and a photopolymerizable compound, said metal oxide matrix having a halogen-containing organic group. The metal oxide matrix is formed by hydrolysis and polymerization reaction of a metal alkoxide compound, and said metal alkoxide compound includes a metal alkoxide compound represented by the following general formula (1):

(RH)mM(OR)n   (1)

wherein R_H represents the halogen-containing organic group, R represents an alkyl group, M represents a metal atom, m represents 1 or 2, and m+n represents the valence of the metal atom M.

The present invention provides a hologram recording material which is suitable for volume hologram record and can attain high refractive index change, flexibility, high sensitivity, low scattering, environment resistance, that is, storage stability, durability, low dimensional change (low shrinkage) and high multiplicity in holographic memory record using not only a green laser but also a blue laser. A hologram recording material comprising: a metal oxide matrix; and a photopolymerizable compound which has at least one (meth)acrylamide group as a photo-reactive group, and has a polyalkylene glycol unit represented by the following formula:

—(RO)_n—

wherein R represents a lower alkylene group, and n represents the number of repeating units of alkylene oxide.

Methods are disclosed for creating extremely high permittivity dielectric materials for use in capacitors and energy storage devices. High permittivity materials suspended in an organic non-conductive media matrix with enhanced properties and methods for making the same are disclosed. Organic polymers, shellac, silicone oil, and/or zein formulations are utilized to produce thin film low conductivity dielectric coatings. Transition metal salts as salt or oxide matrices are formed at low temperatures utilizing mild reducing agents.

The present invention provides a hologram recording material which is suitable for volume hologram record and can attain high refractive index change, flexibility, high sensitivity, low scattering, environment resistance, durability, low dimensional change (low shrinkage) and high multiplicity in holographic memory record using not only a green laser but also a blue laser; and provides a hologram recording medium having a hologram recording layer comprising the hologram recording material. A hologram recording material comprising a metal oxide matrix and a photopolymerizable compound, wherein the metal oxide matrix comprises at least Si and Ti as metallic elements, and Ti originates from titanium-containing oxide fine particles. A hologram recording medium (11) having the hologram recording layer (21) comprising the hologram recording material.

The present invention provides a hologram recording medium which is suitable for volume hologram record and can attain high refractive index change, flexibility, high sensitivity, low scattering, environment resistance, durability, low dimensional change (low shrinkage) and high multiplicity in holographic memory record using not only a green laser but also a blue laser. A hologram recording medium (11) comprising at least a hologram recording layer (21), wherein the hologram recording layer contains a metal oxide matrix comprising metal oxide fine particles, and a photopolymerizable compound; the metal oxide fine particles comprise metal oxide fine particles containing Ti as a metallic element; and at the time of subjecting the hologram recording layer before exposure to light to an extraction operation in n-butyl alcohol having a mass 100 times the mass (W) of said recording layer, thereby yielding a sol solution; filtrating the sol solution to obtain a filtrated sol solution; and measuring particle diameter distribution of sol particles in the filtrated sol solution by a dynamic light scattering method; and obtaining an average particle diameter thereof, the average particle diameter of the sol particles is in the range of 5 nm or more and 50 nm or less.

Methods are disclosed for creating extremely high permittivity dielectric materials for use in capacitors and energy storage devices. High permittivity materials suspended in an organic non-conductive media matrix with enhanced properties and methods for making the same are disclosed. A general method for the formation of thin films of some particular dielectric material is disclosed, wherein the use of organic polymers, shellac, silicone oil, and/or zein formulations are utilized to produce thin film low conductivity dielectric coatings. Additionally, methods whereby the formation of certain transition metal salts as salt or oxide matrices at low temperatures utilizing mild reducing agents are disclosed. Further, a method for the enhancement of dielectric permittivity formation in the dielectric material of the capacitor is taught.

There is provided a glass substrate which has the properties required in the use as a substrate for an information recording medium of the next generation such as a perpendicular magnetic recording system, and can be applied as a substrate for an information recording medium of the next generation particularly on the premise of using the glass substrate in a dynamic environment. More particularly, there is provided a glass substrate for an information recording medium which has sufficiently high surface hardness, has a good balance between specific gravity and mechanical strength, and has high strength to withstand high speed rotation or drop impact, and which can be produced with a high productivity adequate for a direct press method, without the occurrence of bubbles in the glass blank or reboil upon pressing even if arsenic components or antimony components are not substantially used. A glass substrate for an information recording medium, includes, as expressed in terms of percent by mass on the oxide basis: 52 to 67% of SiO₂, 3 to 15% of Al₂O₃, and 0.2 to 8% of P₂O₅, the glass substrate having a Young's modulus of 85 GPa or greater, a specific gravity of 2.60 or less, and a ratio of Young's modulus to specific gravity (Young's modulus/specific gravity) of 33.0 or greater.

Methods are disclosed for creating extremely high permittivity dielectric materials for use in capacitors and energy storage devices. High permittivity materials suspended in an organic non-conductive media matrix with enhanced properties and methods for making the same are disclosed. Organic polymers, shellac, silicone oil, and/or zein formulations are utilized to produce thin film low conductivity dielectric coatings. Transition metal salts as salt or oxide matrices are formed at low temperatures utilizing mild reducing agents.

There is provided single layer infrared-reflecting films and a method of making the same that provide enhanced reflectivity in an 800 nanometer to 2500 nanometer infrared waveband. The method comprises providing a substrate, depositing onto the substrate a mixture of an oxide matrix material and either a conductive metal dopant or a higher valence cation, and producing the infrared-reflecting film.

A method is provided for making a high permittivity dielectric material for use in capacitors. Several high permittivity materials in an organic nonconductive media with enhanced properties and methods for making the same are disclosed. A general method for the formation of thin films of some particular dielectric material is disclosed, wherein organic polymers are utilized to produce low conductivity dielectric coatings. Additionally, a method whereby the formation of certain transition metal salts as salt or oxide matrices is demonstrated at low temperatures utilizing mild reducing agents. Further, a circuit structure and associated method of operation for the recovery and regeneration of the leakage current from the long-term storage capacitors is provided in order to enhance the manufacturing yield and utility performance of such devices.

The invention relates to a method for forming a material of a metal oxide supported on a support particle by the steps of. a) providing a precursor mixture comprising a solution containing one or more metal cations and (i) a surfactant; or (ii) a hydrophilic polymer; with the precursor mixture further including support particles; and b) treating the precursor mixture from (a) above by heating to remove the surfactant or hydrophilic polymer and form metal oxide having nano-sized grains, wherein at least some of the metal oxide formed in step (b) is deposited on or supported by the support particles and the metal oxide has an oxide matrix that includes metal atoms derived solely from sources other than the support particles.

A method is provided for making a high permittivity dielectric material for use in capacitors. Several high permittivity materials in an organic nonconductive media with enhanced properties and methods for making the same are disclosed. A general method for the formation of thin films of some particular dielectric material is disclosed, wherein the use of organic polymers, shellac, silicone oil, and/or zein formulations are utilized to produce low conductivity dielectric coatings. Additionally, a method whereby the formation of certain transition metal salts as salt or oxide matrices is demonstrated at low temperatures utilizing mild reducing agents. Further, a circuit structure and associated method of operation for the recovery and regeneration of the leakage current from the long-term storage capacitors is provided in order to enhance the manufacturing yield and utility performance of such devices.

A process for chemically bonding an oxide matrix to a textile surface, comprises providing a dry textile substrate, coating the substrate with a nanosol preparation, and curing the coated substrate.