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Glass compositions, dielectric compositions and multilayer ceramic capacitor having high capacitance using the same

Patent Number: 8466078
Publication Date: 2013-06-18
Inventors: ;

Disclosed are a glass composition and a dielectric composition enabling low temperature sintering, and a high capacitance multilayer ceramic capacitor using the same. In the glass composition used for sintering, the glass composition may be formed of a formula, aR₂O-bCaO-cZnO-dBaO-eB₂O₃-fAl₂O₃-gSiO₂, and the formula may satisfy a+b+c+d+e+f+g=100, 0≦a≦7, 1≦b≦3, 1≦c≦15, 10≦d≦20, 3≦e≦10, 0≦f≦3, and ...

Sputtering target for forming ZrO-InObased protective film for optical storage medium

Patent Number: 8466077
Publication Date: 2013-06-18
Inventors: ;

A sputtering target for forming a ZrO₂—In₂O₃based protective film for an optical storage medium, has a component composition made of Zr_aIn_bA_cO_100-a-b-cwhere “A” represents one, two, or more of Si, Cr, Al, Ce, Ti, and Sn, “a” represents an amount greater than 5 atomic percent and less than 23 atomic percent, “b” represents an amount greater than 12 atomic percent and less than 35 atomic percent, and ...

Polysilane-polycarbosilanes with reduced chlorine content based on methylchloropolysilanes, and spinning dopes and ceramic moldings produced therefrom

Patent Number: 8466076
Publication Date: 2013-06-18
Inventors: ; ; ;

The present invention pertains to a process for producing unmeltable polysilane-polycarbosilane copolymers which are soluble in inert solvents, comprising the steps

- providing the product of a disproportionation of a methylchlorodisilane or a mixture of several methylchlorodisilanes of the composition Si₂Me_nCl_6-n, wherein n=1−4, wherein the disproportionation was carried out with a Lewis base as a catalyst, wherein this ...

Optical glass

Patent Number: 8466075
Publication Date: 2013-06-18
Inventor:

An optical glass comprising SiO₂, B₂O₃and La₂O₃and one or more oxides selected from the group consisting of ZrO₂, Nb₂O₅and Ta₂O₅, having a refractive index of 1.83 or over and an Abbe number of 35 or over and being free of ...

Polycrystalline group III metal nitride with getter and method of making

Patent Number: 8461071
Publication Date: 2013-06-11
Inventor:

A gettered polycrystalline group III metal nitride is formed by heating a group III metal with an added getter in a nitrogen-containing gas. Most of the residual oxygen in the gettered polycrystalline nitride is chemically bound by the getter. The gettered polycrystalline group III metal nitride is useful as a raw material for ammonothermal growth of bulk group III nitride ...

Glass composition

Patent Number: 8461070
Publication Date: 2013-06-11
Inventors: ;

Flat glass composition comprising the following (expressed as percentages by weight): SiO₂60 75%; Al₂O₃0 5%; Na₂O 10 18%; K₂O 0 5.5%; CaO 0 5%; MgO 0-2%; SO₃0 1%; Fe₂O₃(total iron)>0.01%; TiO₂0-1% and one or both of: SrO 0-15%; BaO 0-15% with the proviso that the summed amount of SrO and BaO is greater than 4%. A preferred composition comprises: SiO₂65-74%; ...

Light emitting diode element

Patent Number: 8461069
Publication Date: 2013-06-11
Inventor:

A light emitting diode element having a light emitting diode; and a glass covering sealing the light emitting diode is provided. The glass of the covering consists essentially of from 30 to 70 mol% of SnO, from 15 to 50 mol% of P₂O₅, from 0.1 to 20 mol% of ZnO, from 0 to 10 mol% of SiO₂+GeO₂, from 0 to 30% of Li₂O+Na₂O+K₂O, and from 0 to 20% of MgO+CaO+SrO+BaO. In an embodiment, a refractive index of the glass of ...

Glass ceramics with bulk scattering properties and methods of making them

Patent Number: 8461068
Publication Date: 2013-06-11
Inventors: ; ; ;

Described herein are glass ceramic compositions with bulk scattering properties that have improved light extraction properties due to high levels of diffuse transmission, and methods of making such glass ceramic compositions. The compositions are based on Li₂O—Al₂O₃—SiO₂glass ceramics and with the proper crystal size, exhibit good volume scattering characteristic for visible light and enhance the outcoupling from the substrate to the air in ...

Ceramic material composition, ceramic substrate, and nonreciprocal circuit device

Patent Number: 8455381
Publication Date: 2013-06-04
Inventors: ; ;

A ceramic material composition advantageously used as a material for a ceramic substrate containing for example a resistor such as an isolator disposed therein.

includes about 10 to 45 percent by weight of a BaO—TiO₂—ReO_3/2ceramic composition, the ceramic composition being represented by xBaO-yTiO₂-zReO_3/2(wherein x, y, and z each represent mole percent, 8≦x≦18, 52.5≦y≦65, and 20≦z≦40, and x+y+z=100; and Re represents a ...

Self-levelling concrete

Patent Number: 8455380
Publication Date: 2013-06-04
Inventors: ;

A powder including, in percentages by weight: (a) 94% to 99% of particles of at least one refractory material, the main constituent(s) of which are alumina and/or zirconia and/or silica; (b) 1% to 6% of a hydraulic cement; (c) 0 to 0.03% of organic fibers; (d) optionally, 0.075% to 1% of a surfactant; and (e) optionally, a setting accelerator, where the fraction of particles having a size below 40 μm being distributed, in percentages by weight relative to the weight of the powder, in the ...

Ceramic article

Patent Number: 8455379
Publication Date: 2013-06-04
Inventors: ; ;

A ceramic article comprises ceramic fibers having an aspect ratio of greater than or equal to 10:1, ceramic particles, and an inorganic binder comprising silica. Greater than 90 out of 100 ceramic fibers are randomly oriented in three dimensions in the ceramic article, and greater than 85 out of 100 ceramic fibers are spaced at least one ceramic fiber diameter away from an adjacent ceramic fiber. The ceramic article has a consistent density of from 0.9 to 1.1 g/cm³in x-, y-, and ...

Alkali-free glass and alkali-free glass substrate

Patent Number: 8455378
Publication Date: 2013-06-04
Inventor:

An alkali-free glass characterized by having a glass composition being substantially free of an alkali metal oxide, As₂O₃and Sb₂O₃and including, in terms of mol %, 55 to 75% of SiO₂, 7 to 15% of Al₂O₃, 7 to 12% of B₂O₃, 0 to 3% of MgO, 7 to 12% of CaO, 0 to 5% of SrO, 0 to 2% of BaO, 0 to 5% of ZnO and 0.01 to 1% of SnO₂and has a liquidus viscosity of 10^5.2dPa·s or ...

Methods of making ceramic and metal compositions

Patent Number: 8455377
Publication Date: 2013-06-04
Inventor:

A novel metal/ceramic hybrid material in which the void space of the ceramic is filled with metal. The metal may be bonded to the ceramic, for example by formation of a metal oxide. The metal may be introduced into the ceramic as small particles in a suspension then heated to melt the metal, allowing bonding to the ceramic or better filling of the void space. The hybrid material may be used in a variety of ...

Silicon-containing particles, method for manufacturing thereof, oil composition, ceramic material, and method for manufacturing thereof

Patent Number: 8450231
Publication Date: 2013-05-28
Inventor:

This invention relates to a method for manufacturing silicon-containing particles characterized by preparing a uniform phase comprising a curable composition that includes a silicon-containing compound having in one molecule one or more reactive functional groups per 50 silicon atoms and an oil that does not participate in curing of the composition, then curing the composition, and causing phase separation from the oil for obtaining the silicon-containing particles; and to ...

Dielectric ceramic composition and electronic component

Patent Number: 8450230
Publication Date: 2013-05-28
Inventor:

A dielectric ceramic composition comprises a main component composed of at least one selected from BaTiO₃, (Ba, Ca)TiO₃, (Ba, Sr)TiO₃and (Ba, Ca, Sr)TiO₃, an oxide of rare earth element and a composite compound including Ba. 9 to 13 mol of the composite compound in terms of composite compound is included in the dielectric composition. The dielectric ceramic composition includes surface diffusion particles having surface diffusion structure ...

Mix and refractory product having a high hydration resistance produced therefrom

Patent Number: 8450229
Publication Date: 2013-05-28
Inventors: ;

Mix which comprises a) one or more very finely divided silicon dioxide powders having an average particle diameter of from 2 to 100 nm and a BET surface area of at least 30 m²/g, b) one or more particulate components selected from the group consisting of oxides, carbides and nitrides, in each case having an average particle diameter of from >0.5 μm to 30 mm, c) one or more synthetic resins as binders and d) one or more metallic antioxidants having an average particle diameter of ...

Refractory, method for manufacturing refractory, and refractory raw material

Patent Number: 8450228
Publication Date: 2013-05-28
Inventors: ;

In a carbon-containing refractory composed of a refractory aggregate, a carbon based raw material, and a carbon bond connecting between the refractory aggregate or the carbon based raw material, transition metal-containing nanoparticles having particle diameters of 1,000 nm or less and containing a transition metal are contained in the above-described carbon bond while being dispersed. When the carbon-containing refractory is heat-treated, flexible structures of carbon fiber-shaped textures ...

Ceramic-body-forming batch materials comprising silica, methods using the same and ceramic bodies made therefrom

Patent Number: 8450227
Publication Date: 2013-05-28
Inventors: ; ; ;

The disclosure relates to ceramic-body-forming batch materials comprising at least one pore former and inorganic batch components comprising at least one silica source having a specified particle size distribution, methods of making ceramic bodies using the same, and ceramic bodies made in accordance with said methods. The disclosure additionally relates to methods for reducing pore size variability in ceramic bodies and/or reducing process variability in making ceramic ...

High temperature glass fiber insulation

Patent Number: 8450226
Publication Date: 2013-05-28
Inventor:

Disclosed are glass compositions containing Beryllia in addition to various proportions of Silica, Alumina, Calcium, Magnesia, Sodium, Potassium, Iron, Titania, Zirconia, Manganese and/or Phosphorous. Fibers were produced from the disclosed compositions using standard glass processing equipment. These fibers yielded high temperature fibers having low density, high strength, high modulus, excellent glass surfaces requiring very little bonding material to hold the fibers together. Bio ...