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Powder comprising stabilized zirconia granules and a binder having Tg of 25C or lower

Tue, 24 Nov 2015 08:00:00 EST

The invention relates to a granulated powder intended, in particular, for the production of ceramic sintered parts, said powder having the following chemical weight composition, based on dry matter, namely: a zirconia stabiliser selected from the group containing Y2O3, Sc2O3, MgO, CaO, CeO2, and mixtures thereof, the weight content of stabiliser, based on the total zirconia and stabiliser content, being between 2% and 20% and the MgO+CaO content being less than 5% based on the total zirconia and stabiliser content; at least 1% of a first binder having a glass transition temperature less than or equal to 25° C.; 0-4% of an additional binder having a glass transition temperature greater than 25° C.; 5-50% alumina; 0-4% of a temporary additive different from the first binder and the additional binder, the total content of the first binder, the additional binder and the temporary additive being less than 9%; less than 2% impurities; and ZrO2 to make up 100%. According to the invention, the median diameter D50 of the powder is between 80 and 130 μm, the percentile D99.5 is less than 500 μm and the relative density of the granules is between 30% and 60%.



Shaped or unshaped refractory or kiln furniture composition

Tue, 26 May 2015 08:00:00 EDT

The present description relates to a refractory composition including 70 weight percent to 98 weight percent particulate refractory material and 2 weight percent to 30 weight percent of a binder phase including reactive filler and a binder, the binder phase substantially includes solely reactive andalusite as reactive filler.



Oxide sintered body and sputtering target

Tue, 26 May 2015 08:00:00 EDT

Provided are an oxide sintered body and a sputtering target that are ideal for the production of an oxide semiconductor film for a display device. The oxide sintered body and sputtering target that are provided have both high conductivity and high relative density, are capable of forming an oxide semiconductor film having a high carrier mobility, and in particular, have excellent direct-current discharge stability in that long-term, stable discharge is possible, even when used by the direct-current sputtering method. The oxide sintered body of the invention is an oxide sintered body obtained by mixing and sintering zinc oxide, tin oxide, and an oxide of at least one metal (M metal) selected from the group consisting of Al, Hf, Ni, Si, Ga, In, and Ta. When the in-plane specific resistance and the specific resistance in the direction of depth are approximated by Gaussian distribution, the distribution coefficient σ of the specific resistance is 0.02 or less.



Method of toughening alumina

Tue, 26 May 2015 08:00:00 EDT

The present application is directed to a zirconia toughened alumina body and process for making the body. The process involves combining tetragonally stabilized ZrO2 nanoparticles, Mg(OH)2 particles and alumina powder into a mixture. All particles of the mixture are milled, formed into a green compact and then sintered. The final composition of the body includes α-Al2O3 toughened with 0.5 to 2.5 weight percent ZrO2 in a stabilized tetragonal form and 0.03 to 0.10 weight percent MgO. The composition results in an Al2O3 body with a density less than 4.0 g/cc and strength greater than 50 kpsi.



Optical glass, optical element, and method for manufacturing optical glass

Tue, 26 May 2015 08:00:00 EDT

An optical glass including B3+, La3+ and Nb5+ as cationic components constituting the glass, wherein the optical glass satisfies the following expressions represented in cation percentages: 10 cat. %≦B3+≦50 cat. %;40 cat. %≦La3+≦65 cat. %;0 cat. %≦Nb5+≦40 cat. %;80 cat. %≦(total amount of B3++La3++Nb5+)≦100 cat. %; and0 cat. %≦Si4+≦10 cat. %;0 cat. %≦Ge4+≦5 cat. %;0 cat. %≦Mg2+≦5 cat. %;0 cat. %≦Ba2+≦10 cat. %;0 cat. %≦Ca2+≦10 cat. %;0 cat. %≦Sr2+≦10 cat. %;0 cat. %≦Zn2+≦20 cat. %;0 cat. %≦W6+≦5 cat. %;0 cat. %≦Zr4+≦5 cat. %;0 cat. %≦Ti4+≦5 cat. %;0 cat. %≦Bi3+≦5 cat. %;0 cat. %≦Ta5+≦10 cat. %;0 cat. %≦(total amount of Y3++Gd3+)≦20 cat. %; and0 cat. %≦(total amount of Yb3++Lu3+)≦10 cat. %.



Dopant host

Tue, 26 May 2015 08:00:00 EDT

A dopant host containing, in terms of mole %, 20 to 50% SiO2, 30 to 60% (exclusive of 30%) Al2O3, 10 to 40% B2O3, and 2 to 10% RO, wherein R represents alkaline earth metal, or being a laminate including a boron component volatilization layer containing, in terms of mole %, 30 to 60% SiO2, 10 to 30% Al2O3, 15 to 50% B2O3, and 2 to 10% RO, wherein R represents alkaline earth metal, and a heat resistant layer containing, in terms of mole %, 8 to 30% SiO2, 50 to 85% Al2O3, 5 to 20% B2O3, and 0.5 to 7% RO, wherein R represents alkaline earth metal. A process for producing a boron dopant for a semiconductor including the steps of slurrying a starting material powder containing a boron-containing crystalline glass powder, forming the slurry to prepare a green sheet, and sintering the green sheet.



Glass article with antimicrobial properties

Tue, 26 May 2015 08:00:00 EDT

The invention relates to a glass item, at least one of the surfaces thereof having antimicrobial properties that are resistant to a temperature treatment, especially a temperature treatment in preparation of the subsequent tempering thereof. The glass item especially comprises an antimicrobial agent beneath the surface of the glass, and nanoparticles that are partially and/or totally incorporated into the mass of the glass close to said surface and consist of at least one inorganic component.



Lead-free conductive paste composition and semiconductor devices made therewith

Tue, 26 May 2015 08:00:00 EDT

A lead-free conductive paste composition contains a source of an electrically conductive metal, a fusible material, an optional additive, and an organic vehicle. An article such as a high-efficiency photovoltaic cell is formed by a process of deposition of the lead-free paste composition on a semiconductor substrate (e.g., by screen printing) and firing the paste to remove the organic vehicle and sinter the metal and fusible material.



Dielectric composition and ceramic electronic component including the same

Tue, 19 May 2015 08:00:00 EDT

There is provided a dielectric composition including: a base powder including BaTiO3; a first accessory component including a content (x1) of 0.1 to 1.0 at % of an oxide or a carbonate including transition metals, based on 100 moles of the base powder; a second accessory component including a content (y) of 0.01 to 3.0 at % of oxide or carbonate including a fixed valence acceptor element, based on 100 moles of the base powder; a third accessory component including an oxide or a carbonate including a Ce element (content of z at %) and at least one rare earth element (content of w at %); and a fourth accessory component including a sintering aid, wherein 0.01≦z≦x1+4y and 0.01≦z+w≦x1+4y based on 100 moles of the base powder.



Optical glass

Tue, 19 May 2015 08:00:00 EDT

Provided is an optical glass that has desired optical properties, superior resistance to devitrification, and superior mass productivity. An optical glass is made of a SiO2—Nb2O5—TiO2-based glass having a refractive index (nd) of 1.75 to 1.95 and an Abbe's number (νd) of 15 to 35 and has an operation temperature range (ΔT=(temperature at 100.5 poise)−(liquidus temperature)) of 20° C. or more. The optical glass preferably contains, in percent by mass, 15% to 45% SiO2, 15% to 40% (but excluding 40%) Nb2O5 and 1% to 30% TiO2 as glass components.



Tempered glass substrate and method of producing the same

Tue, 19 May 2015 08:00:00 EDT

A tempered glass substrate has a compression stress layer on a surface thereof, and has a glass composition comprising, in terms of mass %, 40 to 70% of SiO2, 12 to 21% of Al2O3, 0 to 3.5% of Li2O, 10 to 20% of Na2O, 0 to 15% of K2O, and 0 to 4.5% of TiO2, wherein the tempered glass substrate has a plate thickness of 1.5 mm or less, and an internal tensile stress in the tempered glass substrate is 15 to 150 MPa.



Strengthened borosilicate glass containers with improved damage tolerance

Tue, 19 May 2015 08:00:00 EDT

According to one embodiment, a glass container may include a body formed from a Type I, Class B glass composition according to ASTM Standard E438-92. The body may have an inner surface, an outer surface and a wall thickness extending between the outer surface and the inner surface. The body may also include a compressively stressed layer extending into the wall thickness from at least one of the outer surface and the inner surface. A lubricous coating may be positioned on at least a portion of the outer surface of the body, wherein the outer surface of the body with the lubricous coating has a coefficient of friction less than or equal to 0.7.



Glass substrate for flat panel display and method for manufacturing same

Tue, 12 May 2015 08:00:00 EDT

A substrate for p-Si TFT flat panel displays made of a glass having a high low-temperature-viscosity characteristic temperature and manufactured while avoiding erosion/wear of a melting tank during melting through direct electrical heating. The glass substrate comprises 52-78 mass % of SiO2, 3-25 mass % of Al2O3, 3-15 mass % of B2O3, 3-20 mass % of RO, wherein RO is total amount of MgO, CaO, SrO, and BaO, 0.01-0.8 mass % of R2O, wherein R2O is total amount of Li2O, Na2O, and K2O, and 0-0.3 mass % of Sb2O3, and substantially does not comprise As2O3, wherein the mass ratio CaO/RO is equal to or greater than 0.65, the mass ratio (SiO2+Al2O3)/B2O3 is in a range of 7-30, and the mass ratio (SiO2+Al2O3)/RO is equal to or greater than 5. A related method involves melting glass raw materials blended to provide the glass composition; a forming step of forming the molten glass into a flat-plate glass; and an annealing step of annealing the flat-plate glass.



Glass composition for producing high strength and high modulus fibers

Tue, 12 May 2015 08:00:00 EDT

A glass composition including SiO2 in an amount from 74.5 to 80.0% by weight, Al2O3 in an amount from 5.0 to 9.5%>> by weight, MgO in an amount from 8.75 to 14.75% by weight, CaO in an amount from 0.0 to 3.0% by weight, Li2O in an amount from 2.0 to 3.25% by weight, Na2O in an amount from 0.0 to 2.0% by weight is provided. Glass fibers formed from the inventive composition may be used in applications that require high strength, high stiffness, and low weight. Such applications include woven fabrics for use in forming wind blades, armor plating, and aerospace structures.



Alumino-borosilicate glass for the confinement of radioactive liquid effluents, and method for treating radioactive liquid effluents

Tue, 12 May 2015 08:00:00 EDT

An alumino-borosilicate glass for the confinement, isolation of a radioactive liquid effluent of medium activity, and a method for treating a radioactive liquid effluent of medium activity, wherein calcination of said effluent is carried out in order to obtain a calcinate, and a vitrification adjuvant is added to said calcinate.



Chemically strengthened glass for display device

Tue, 12 May 2015 08:00:00 EDT

The present invention relates to a chemically strengthened glass for a display device, having a visible light transmittance Tva of 50% or more and less than 91% at a thickness of 1 mm using A light source, and an excitation purity Pe of less than 0.5% at a thickness of 1 mm.



Powdered NiaM1bM2c(O)x(OH)y compounds, method for the production thereof and use thereof in batteries

Tue, 12 May 2015 08:00:00 EDT

The invention is directed to a pulverulent compound of the formula NiaM1bM2cOx(OH)y where M1 is at least one element selected from the group consisting of Fe, Co, Zn, Cu and mixtures thereof, M2 is at least one element selected from the group consisting of Mn, Al, Cr, B, Mg, Ca, Sr, Ba, Si and mixtures thereof, 0.3≦a≦0.83, 0.1≦b≦0.5, 0.01≦c≦0.5, 0.01≦x≦0.99 and 1.01≦y≦1.99, wherein the ratio of tapped density measured in accordance with ASTM B 527 to the D50 of the particle size distribution measured in accordance with ASTM B 822 is at least 0.2 g/cm3·μm. The invention is also directed to a method for the production of the pulverulent compound and the use as a precursor material for producing lithium compounds for use in lithium secondary batteries.



Glass ceramic body, substrate for mounting light-emitting element, and light emitting device

Tue, 05 May 2015 08:00:00 EDT

To provide a glass ceramic body wherein the deterioration of the reflectance due to black coloration is suppressed, and the unevenness of the firing shrinkage is suppressed. A glass ceramic body comprising a glass matrix and alumina particles dispersed therein, wherein the glass matrix is not crystallized, a ceramic part composed of the dispersed alumina particles has an α-alumina crystal structure and a crystal structure other than the α-alumina crystal structure.



Process for producing α-olefin polymer, α-olefin polymer, and lubricating oil composition

Tue, 05 May 2015 08:00:00 EDT

Provided is a method of producing an α-olefin polymer including a step of polymerizing one or more kinds of α-olefins each having 6 to 20 carbon atoms with a catalyst obtained by using a specific transition metal compound. By the method, an α-olefin polymer having a viscosity suitable for use in a lubricating oil can be produced on an industrial scale with ease, and further, the characteristics of the product can be widely changed through the control of reaction conditions.



Dielectric ceramic material and multilayer ceramic capacitor using the same

Tue, 05 May 2015 08:00:00 EDT

A dielectric ceramic material comprises a primary component of barium titanate (BaTiO3) and at least one additive component. The additive component has a mole percentage from 1% to 50% and is selected from the group consisting of lithium tantalite (LiTaO3), barium cerate (BaCeO3), sodium metaniobate (NaNbO3) and the combinations thereof.



Dielectric composition and preparation method thereof

Tue, 05 May 2015 08:00:00 EDT

There are provided a dielectric composition and a preparation method thereof, the dielectric composition including: a first perovskite powder for a core represented by ABO3: and a second perovskite powder for a shell represented by ABO3, having an average particle diameter corresponding to ⅓ to 1/10 of an average particle diameter of the first perovskite powder, and included in an amount of 1 to 70 parts by weight with respect to 100 parts by weight of the first perovskite powder, wherein particles of the second perovskite powder have pores having a volume fraction of 3 to 50 vol % therein. According to the present invention, there are provided a dielectric composition having excellent dielectric characteristics and electrical characteristics, and a preparation method thereof.



Oxide sintered body and sputtering target

Tue, 05 May 2015 08:00:00 EDT

Provided is an oxide sintered body suitably used for the production of an oxide semiconductor film for a display device, wherein the oxide sintered body has both high conductivity and relative density, and is capable of depositing an oxide semiconductor film having high carrier mobility. This oxide sintered body is obtained by mixing and sintering powders of zinc oxide, tin oxide and indium oxide, and when an EPMA in-plane compositional mapping is performed on the oxide sintered body the percentage of the area in which Sn concentration is 10 to 50 mass % in the measurement area is 70 area percent or more.



Photovoltaic cell having a substrate glass made of aluminosilicate glass

Tue, 05 May 2015 08:00:00 EDT

A photovoltaic cell, for example a thin-film photovoltaic cell, having a substrate glass made of aluminosilicate glass, has a glass composition which has SiO2 and Al2O3 as well as the alkali metal oxide Na2O and the alkaline earth oxides CaO, MgO, and BaO, and optionally further components. The glass composition includes 10 to 16 wt.-% Na2O, >0 to 1 to 10 wt.-% BaO, and the ratio of CaO:MgO is in the range of 0.5 to 1.7. The aluminosilicate glass used is crystallization stable because of the selected quotient of CaO/MgO and has a transformation temperature >580° C. and a processing temperature



Alkali-free glass

Tue, 05 May 2015 08:00:00 EDT

Provided is an alkali-free glass, which is substantially free of alkali metal oxides, and has a strain point of more than 680° C., an average coefficient of thermal expansion in the temperature range of 30 to 380° C. of 40 to 55×10−7/° C., and a liquidus temperature of less than 1,200° C. Further, the alkali-free glass comprises, as a glass composition in terms of mass %, 55 to 70% of SiO2, 10 to 20% of Al2O3, 0.1 to 4.5% of B2O3, 0 to 1% of MgO, 5 to 15% of CaO, 0.5 to 5% of SrO, and 5 to 15% of BaO.



Glass batch materials having a core-shell structure

Tue, 05 May 2015 08:00:00 EDT

A plurality of soda-lime glass batch materials are formed into granules that include a core and a shell surrounding the core. The core comprises a first portion of the plurality of glass batch materials, and the shell comprises a remaining portion of the plurality of glass batch materials. These core-shell granules can be melted in a glass furnace to produce molten soda-lime glass in less time and at a lower temperature than conventional soda-lime glass batch preparations.



Method for producing magnetic disk, and glass substrate for information recording medium

Tue, 05 May 2015 08:00:00 EDT

To provide a method for producing a magnetic disk, whereby a magnetic recording layer is formed at a high temperature. A method for producing a magnetic disk, which comprises a step of forming a magnetic recording layer on a glass substrate having a temperature of at least 550° C., wherein the glass substrate comprises, as represented by mol percentage, from 62 to 74% of SiO2, from 6 to 18% of Al2O3, from 2 to 15% of B2O3 and from 8 to 21%, in total, of at least one component selected from MgO, CaO, SrO and BaO, provided that the total content of the above seven components is at least 95%, and further contains less than 1%, in total, of at least one component selected from Li2O, Na2O and K2O, or contains none of these three components.



Thick film silver paste and its use in the manufacture of semiconductor devices

Tue, 05 May 2015 08:00:00 EDT

The present invention is directed to an electroconductive silver thick film paste composition comprising Ag, a glass frit and rhodium resinate, Cr2O3 or a mixture thereof all dispersed in an organic medium. The present invention is further directed to an electrode formed from the paste composition and a semiconductor device and, in particular, a solar cell comprising such an electrode. The paste is particularly useful for forming a tabbing electrode.



Phase powders and process for manufacturing said powders

Tue, 05 May 2015 08:00:00 EDT

The invention relates to powder comprising at least one element M, at least one element A and at least one element X, in the respective proportions (n+1±ε1), 1±ε2 and n±ε3, in which: A is chosen from Cd, Al, Ga, In, Tl, Si, Ge, Sn, Pb, P, As and S;M is a transition metal;X is chosen from B, C and N;n is an integer equal to 1, 2 or 3; andε1, ε2 and ε3 independently represent a number ranging from 0 to 0.2, said powder having a mean particle size of less than 500 nm.



Nucleated cements and related methods

Tue, 05 May 2015 08:00:00 EDT

Methods and a kit. A cement forming method includes nucleating an acidic metallophosphate reaction mixture with first particles, resulting in forming a settable metallophosphate cement from the acidic metallophosphate reaction mixture. The first particles include a first metal oxide. Each particle of the first particles independently have a particle size in a range from about 15 microns to about 450 microns. A method for applying cement includes seeding a solution with particles, resulting in forming a settable cement from the solution. The particles have a size in a range from about 15 microns to about 450 microns. The solution includes a first metal oxide reacting with phosphate. The settable cement is applied to a substrate. A cement application kit is also described.



Zeolite separation membrane, method for producing the same, and bonding agent

Tue, 05 May 2015 08:00:00 EDT

A separation membrane according to the present invention is characterized by having a porous tube containing an alumina as a main component and an attachment member disposed in a connection position of the porous tube, wherein the porous tube and the attachment member are bonded by a ceramic oxide-based bonding agent containing 17 to 48 wt % of SiO2, 2 to 8 wt % of Al2O3, 24 to 60 wt % of BaO, and 0.5 to 5 wt % of ZnO as essential components and containing at least one of La2O3, CaO, and SrO, and a thin zeolite layer is formed on a surface of the porous tube. The attachment member is bonded to the porous tube before the formation of the zeolite layer. Therefore, the bonding agent can have a melting temperature higher than 600° C., which is the upper heatproof temperature limit of the zeolite. Thus, the ceramic oxide material for the bonding agent can be selected from a wider range of compositions such as glass compositions (without limitations on the glass softening temperature).



Dielectric thin film-forming composition, method of forming dielectric thin film and dielectric thin film formed by the method

Tue, 28 Apr 2015 08:00:00 EDT

A liquid composition is provided for forming a thin film in the form of a mixed composite metal oxide in which a composite oxide B containing copper (Cu) and a composite oxide C containing manganese (Mn) are mixed into a composite metal oxide A represented with the general formula: Ba1-xSrxTiyO3, wherein the molar ratio B/A of the composite oxide B to the composite metal oxide A is within the range of 0.002



Ceramic structures for enhanced shape memory and pseudoelastic effects

Tue, 28 Apr 2015 08:00:00 EDT

Shape memory and pseudoelastic martensitic behavior is enabled by a structure in which there is provided a crystalline ceramic material that is capable of undergoing a reversible martensitic transformation and forming martensitic domains, during such martensitic transformation, that have an elongated domain length. The ceramic material is configured as a ceramic material structure including a structural feature that is smaller than the elongated domain length of the ceramic material.



Optical glass

Tue, 28 Apr 2015 08:00:00 EDT

A highly refractive and highly transparent optical glass is provided. The use of such a glass, optical elements and processes for producing the glass or the optical elements are also provided.



Light-emitting glass, light-emitting device equipped with the light-emitting glass, and process for producing light-emitting glass

Tue, 28 Apr 2015 08:00:00 EDT

Provided is a light-emitting glass which is applicable to, e.g., white illuminators including a light-emitting diode as a light source, and which emits light of a warm white color when irradiated with near ultraviolet light and combines long-term weatherability with high heat resistance; a light-emitting device containing same and a process for producing same. The light-emitting glass includes, as the base glass, borosilicate or silicate glass having a separated-phase structure, whereby the base glass is efficiently doped with, for example, transition metal ion clusters which emit light of a warm white color upon irradiation with near ultraviolet light. With this glass, it is possible to attain increases in excitation wavelength and emission wavelength. The glass thus emits, based on a multiple scattering effect, high-intensity light of a warm white color upon irradiation with near ultraviolet light.



Optical glass

Tue, 28 Apr 2015 08:00:00 EDT

This optical glass contains, as represented by mol %, 18 to 38% P2O5, 0 to 15% B2O3, 23 to 40% P2O5+B2O3, 4 to 28% Nb2O5, 0 to 20% TiO2, 10 to 30% Nb2O5+TiO2, 15 to 35% Li2O+Na2O+K2O, and 21 to 38% ZnO, but does not contain BaO, WO3, Bi2O3 or SiO2, and the ratio of the mol % of ZnO to the total mol % of Li2O+Na2O+K2O (i.e., ZnO/(Li2O+Na2O+K2O)) is 0.8 to 2.0.



Glass ceramic as a cooktop for induction heating having improved colored display capability and heat shielding, method for producing such a cooktop, and use of such a cooktop

Tue, 28 Apr 2015 08:00:00 EDT

A glass ceramic as cooktop for induction heating having improved colored display capability and heat shielding is provided. The cooktop includes a transparent, dyed glass ceramic plate having high-quartz mixed crystals as a predominant crystal phase. The glass ceramic contains none of the chemical refining agents arsenic oxide and/or antimony oxide and has a transmittance values greater than 0.4% at at least one wavelength in the blue spectrum between 380 and 500 nm, a transmittance >2% at 630 nm, a transmittance of less than 45% at 1600 nm, and a light transmittance of less than 2.5% in the visible spectrum.



Glass for magnetic recording media substrates, magnetic recording media substrates, magnetic recording media and method for preparation thereof

Tue, 28 Apr 2015 08:00:00 EDT

A glass for a magnetic recording medium substrate permitting the realization of a magnetic recording medium substrate affording good chemical durability and having an extremely flat surface, a magnetic recording medium substrate comprised of this glass, a magnetic recording medium equipped with this substrate, and methods of manufacturing the same. The glass is an oxide glass not including As or F.



Glass microspheres comprising sulfide, and methods of producing glass microspheres

Tue, 28 Apr 2015 08:00:00 EDT

A method for manufacturing a plurality of glass microspheres comprises: melting a batch into a first glass melt in a melter system, processing the first glass melt into a second glass, pulverizing the second glass into a plurality of glass fragments, thermally processing the plurality of glass fragments into a plurality of glass microspheres, providing at least one of a plurality of redox reactions and a plurality of events in at least one of the first glass melt and a melt of the second glass, and the plurality of redox reactions and the plurality of events are induced by a plurality of redox active group (RAG) components.



Glass for chemical strengthening

Tue, 21 Apr 2015 08:00:00 EDT

There is provided a glass for chemical strengthening having a black color tone and excelling in characteristics preferred for the purposes of housing or decoration of an electronic device, that is, bubble quality, strength, and light transmittance characteristics. A glass for chemical strengthening contains, in mole percentage based on following oxides, 55% to 80% of SiO2, 3% to 16% of Al2O3, 0% to 12% of B2O3, 5% to 16% of Na2O, 0% to 4% of K2O, 0% to 15% of MgO, 0% to 3% of CaO, 0% to 18% of ΣRO (where R represents Mg, Ca, Sr, Ba or Zn), 0% to 1% of ZrO2, and 0.1% to 7% of a coloring component having at least one metal oxide selected from the group consisting of oxides of Co, Mn, Fe, Ni, Cu, Cr, V and Bi.



Melt composition for the production of man-made vitreous fibres

Tue, 21 Apr 2015 08:00:00 EDT

The invention relates to a melt composition for the production of man-made vitreous fibers and man-made vitreous fibers comprising the following oxides, by weight of composition: SiO239-43 weight %Al2O320-23 weight %TiO2up to 1.5 weight %Fe2O35-9 weight %, preferably 5-8 weight %CaO8-18 weight %MgO5-7 weight %Na2Oup to 10 weight %, preferably 2-7 weight %K2Oup to 10 weight %, preferably 3-7 weight %P2O5up to 2%MnOup to 2%R2Oup to 10 weight % wherein the proportion of Fe(2+) is greater than 80% based on total Fe and is preferably at least 90%, more preferably at least 95% and most preferably at least 97% based on total Fe.



Substrate for magnetic disk and magnetic disk

Tue, 21 Apr 2015 08:00:00 EDT

The shape and number of surface defects are controlled so that the occurrence of failure is suppressed in an HDD device in which a magnetic head with a very small flying height, such as a DFH head, is mounted. A magnetic disk substrate is characterized in that when laser light with a wavelength of 405 nm and a laser power of 25 mW is irradiated with a spot size of 5 μm and scattered light from the substrate is detected, the number of defects detected to have a size of 0.1 μm to not more than 0.3 μm is less than 50 per 24 cm2 and, with respect to the defects, there is no defect in which, in a bearing curve obtained by a bearing curve plot method using an atomic force microscope, a portion from an apex of the defect to 45% thereof is located in an area of defect height higher than a virtual line connecting from the apex of the defect to 45% thereof.



Bismuth borate glass encapsulant for LED phosphors

Tue, 21 Apr 2015 08:00:00 EDT

Embodiments are directed to glass frits containing phosphors that can be used in LED lighting devices and for methods associated therewith for making the phosphor containing glass frit and their use in glass articles, for example, LED devices.



Vacuum glass panel and manufacturing method of same

Tue, 21 Apr 2015 08:00:00 EDT

Disclosed are a vacuum glass panel and a manufacturing method of the same. The vacuum glass panel according to the present invention includes a first glass plate, a second glass plate facing the first glass plate with a vacuum space therebetween, an edge of the second glass plate being in contact with the first glass plate, and a plurality of spacers disposed between the first glass plate and the second glass plates to separate the first glass plate and the second glass plate from each other. The plurality of spacers are formed of a glass including alumina (Al2O3) particles and silica (SiO2) particles.



Glass for magnetic recording medium substrate and usage thereof

Tue, 14 Apr 2015 08:00:00 EDT

An aspect of the present invention relates to glass for a magnetic recording medium substrate, which includes essential components in the form of SiO2, Li2O, Na2O, and one or more alkaline earth metal oxides selected from the group consisting of MgO, CaO, SrO, and BaO, wherein a molar ratio of a content of MgO to a combined content of MgO, CaO, SrO, and BaO (MgO/(MgO+CaO+SrO+BaO)) is equal to or greater than 0.80, and which has a Young's modulus of equal to or greater than 80 GPa, and a glass transition temperature of equal to or greater than 620° C.



Dielectric ceramic and dielectric filter having the same

Tue, 14 Apr 2015 08:00:00 EDT

There are provided a dielectric ceramic having a high Qf value in a relative permittivity ∈r range of 35 to 45, and a small absolute value of a temperature coefficient τf which indicates change of the resonant frequency in a wide temperature range from a low temperature range to a high temperature range, and a dielectric filter having the dielectric ceramic. A dielectric ceramic includes: a main component, molar ratios α, β, and γ satisfying expressions of 0.240≦α≦0.470, 0.040≦β≦0.200, 0.400≦γ≦0.650, and α+β+γ=1 when a composition formula of the main component is represented as αZrO2.βSnO2.γTiO2; and Mn, a content of Mn in terms of MnO2 being greater than or equal to 0.01% by mass and less than 0.1% by mass with respect to 100% by mass of the main component.



Construction articles and methods of forming same

Tue, 14 Apr 2015 08:00:00 EDT

A pipe choke for use in drilling and mining operations comprising a body including a first end and a second end configured to couple to a pipe, an opening extending through the body from the first end to the second end, and wherein the body includes a first phase comprising recrystallized silicon carbide and a second phase comprising silicon.



Ultra-broad bandwidth laser glasses for short-pulse and high peak power lasers

Tue, 14 Apr 2015 08:00:00 EDT

The invention relates to glasses for use in solid laser applications, particularly short-pulsed, high peak power laser applications. In particular, the invention relates to a method for broadening the emission bandwidth of rare earth ions used as lasing ions in solid laser glass mediums, especially phosphate-based glass compositions, using Nd and Yb as co-dopants. The invention further relates to a laser system using a Nd-doped and Yb-doped phosphate laser glass, and a method of generating a laser beam pulse using such a laser system.



Biocompatible material and uses thereof

Tue, 14 Apr 2015 08:00:00 EDT

The present invention relates to a biocompatible ceramic material comprising Baghdadite (Ca3ZrSi2O9), and a method for its preparation. Preferably the Baghdadite is synthetically prepared. The present invention also relates to an implantable medical device comprising biocompatible Baghdadite, and a method for its production. The present invention further relates to a method for improving the long term stability of an implantable medical device and an implantable drug delivery device comprising Baghdadite. Further, the present invention relates to the use of comprising biocompatible Baghdadite in the regeneration or resurfacing of tissue.



Aqueous ink for producing high-temperature electrochemical cell electrodes

Tue, 14 Apr 2015 08:00:00 EDT

The invention aims at an aqueous ink for high-temperature electrochemical cell electrodes and/or electrolyte containing particles of at least one mineral filler, at least one binder, and at least one dispersant. It also concerns the electrode and the electrolyte using such an ink.



Methods for forming lead zirconate titanate nanoparticles

Tue, 14 Apr 2015 08:00:00 EDT

Methods for forming lead zirconate titanate (PZT) nanoparticles are provided. The PZT nanoparticles are formed from a precursor solution, comprising a source of lead, a source of titanium, a source of zirconium, and a mineralizer, that undergoes a hydrothermal process. The size and morphology of the PZT nanoparticles are controlled, in part, by the heating schedule used during the hydrothermal process.