Abstract: [Problem] The problem addressed lies in providing a dielectric composition having a relatively high dielectric constant of 900 or greater when a DC bias of at least 8 V/ym is applied, and also in providing a dielectric element employing said dielectric composition, an electronic component, and a laminated electronic component. [Solution] A dielectric composition in which the composition of the main component is in accordance with the following formula (1): (BiaNabSrc)(ZndTi1_d)03 (1) [where a, b, c and d satisfy the following: 0.09?a?0.58, 0.09?b?0.42, 0.05?c?0.84, 0?d?0.08, and 0.95?a+b+c?1.05].

Abstract: An armor component including a body having a first portion including calcium boride compounds include non-stoichiometric calcium boride (CaBx) and stoichiometric calcium boride (CaB6) and having a density of at least about 80% theoretical density. In one aspect, the first portion can include a first phase comprising silicon carbide (SiC) and a second phase comprising calcium boride (CaB6). In another aspect, the first portion can further include a third phase comprising boron carbide (B4C).

Abstract: The problem addressed lies in providing a dielectric composition having a relatively high dielectric constant of 800 or greater when a DC bias of at least 8 V/?m is applied, and also in providing a dielectric element employing said dielectric composition, an electronic component, and a laminated electronic component. [Solution] A dielectric composition in which the composition of the main component is in accordance with the following formula (1): (BiaNabSrc)(MgdTi1-d)O3 (1) [where a, b, c and d satisfy the following: 0.10?a?0.65, 0<b?0.45, 0<c?0.85, 0<d<0.20, and 0.95?a+b+c?1.05].

Abstract: A Ca—SiAlON ceramic with enhanced mechanical properties and a method employing micron-sized and submicron precursors to form the Ca—SiAlON ceramic. The Ca—SiAlON ceramic comprises not more than 42 wt % silicon, relative to the total weight of the Ca—SiAlON ceramic. The method employs submicron particles and also allows for substituting a portion of aluminum nitride with aluminum to form the Ca—SiAlON ceramic with enhanced mechanical properties.

Abstract: A refractory article can include a body including a content of alumina of at least 60 wt %, a content of silica of not greater than 20 wt %, a content of zirconia of not greater than 20 wt % for a total weight of the body. In a particular embodiment, the body includes a third phase including composite grains including mullite and zirconia. The third phase including the composite grains can be present within a range including at least 1 wt % and not greater than 35 wt % for a total weight of the body.

Abstract: The present invention relates to an anisotropic glass containing, in terms of mol % on the basis of oxides, P2O5 in a content of from 45 mol % to 57 mol %, two or more kinds of alkali metal oxides selected from the group consisting of Li2O, Na2O, K2O, Rb2O, and Cs2O in a total content of from 30 mol % to 54 mol %, and at least one polyvalent element oxide other than P2O5 in a total content of from 0.1 mol % to 20 mol %, and having a birefringence of 30×10?6 or more.

Abstract: A high zirconia electrically fused cast refractory of high electric resistance having long time durability, less suffering from cracking during production and upon temperature rising, excellent in productivity, less forming zircon crystals even upon heating the refractory in itself and when the refractory is in contact with molten glass, generating less cracks even when undergoing heat cycles during operation of a glass melting furnace is provided. A high zirconia electrically fused cast refractory has, as chemical components, 85 to 95% by weight of ZrO2, 0.1 to less than 0.8% by weight of Al2O3, 3.5 to 10.0% by weight of SiO2, less than 0.05% by weight of Na2O and K2O in total, 0.1 to 1.5% by weight of B2O3, 0.1% by weight or less of MgO, 0.01 to 0.2% by weight of CaO, in the case where any one of BaO and SrO is contained, from 0.05 to 3.0% by weight of BaO or 0.01 to 3.0% by weight of SrO, or in the case where both of them are contained, 0.01% by weight or more of SrO and from 0.01% to 3.

Abstract: Crystallizable glasses, glass-ceramics, IXable glass-ceramics, and IX glass-ceramics are disclosed. The glass-ceramics exhibit ?-spodumene ss as the predominant crystalline phase. These glasses and glass-ceramics, in mole %, include: 60-75 SiO2; 10-18 Al2O3; 5-14 Li2O; and 4.5 B2O3. The glass-ceramics also have a Vickers initiation crack threshold of at least about 25 kgf.

Abstract: A dielectric composition containing a complex oxide represented by the formula of xAO-yBO-zC2O5 as the main component, wherein A represents at least one element selected from the group including Ba, Ca and Sr, B represents Mg, and C represents at least one element selected from the group including Nb and Ta, and x, y and z meet the following conditions, x+y+z=1.000, 0.198?x?0.375, 0.389?y?0.625, and x/3?z?x/3+1/9.

Abstract: A dielectric composition containing a complex oxide represented by the formula of xAO-yBO-zC2O5 as the main component, wherein A represents at least one element selected from the group including Ba, Ca and Sr, B represents Mg, and C represents at least one element selected from the group including Nb and Ta, and x, y and z meet the following conditions, x+y+z=1.000, 0.000<x?0.281, 0.625?y<1.000, and 0.000<z?0.375.

Abstract: Both single phase lead-free cubic pyrochlore bismuth zinc niobate (BZN)-based dielectric materials with a chemical composition of Bi1.5Zn(0.5+y)Nb(1.5?x)Ta(x)O(6.5+y), with 0?x<0.23 and 0?y<0.9 and films with these average compositions with Bi2O3 particles in an amorphous matrix and a process of manufacture thereof. The crystalline BZNT-based dielectric material has a relative permittivity of at least 120, a maximum applied electric field of at least 4.0 MV/cm at 10 kHz, a maximum energy storage at 25° C. and 10 kHz of at least 50 J/cm3 and a maximum energy storage at 200° C. and 10 kHz of at least 22 J/cm3. The process is a wet chemical process that produces thin films of Bi1.5Zn(0.5+y)Nb(1.5?x)Ta(x)O(6.5+y) without the use of 2-methoxyethanol and pyridine.

Abstract: An electronic component has an organic member between two transparent substrates, in which outer peripheral portions of the two transparent substrates are bonded by a sealing material containing to melting glass. The low melting glass contains vanadium oxide, tellurium oxide, iron oxide and phosphoric acid, and satisfies the following relations (1) and (2) in terms of oxides. The sealing material is formed of a sealing material paste which contains the low melting glass, a resin binder and a solvent, the low melting glass containing vanadium oxide, tellurium oxide, iron oxide and phosphoric acid, and satisfies the following relations (1) and (2) in terms of the oxides. Thereby, thermal damages to an organic element or an organic material contained in the electronic component can be reduced and an electronic component having a glass bonding layer of high reliability can be produced efficiently.

Abstract: A method of treating a surface to remove unwanted material therefrom, including providing a foamed glass article formed from a starting mixture including glass, a carbonate foaming agent, and a devitrification agent selected from the group potassium phosphate, potassium phosphate tribasic, sodium phosphate and combinations thereof, and contacting the surface with the foamed glass article while providing relative movement between the surface and the article. The crystal silica content of the foamed glass body is less than 1 weight percent. The surface is treated by sanding, rubbing, scraping, degreasing, polishing, cleaning, smoothing, depilling, grooming, stripping, degumming, and combinations thereof.

Abstract: Disclosed is a technique for suppressing a firing property and a dust generating property while improving bondability, in a thermal spray material for use in a thermite spraying process. The thermal spray material comprises a refractory material powder and a metal Si powder and capable of being sprayed onto a target surface using oxygen or oxygen-containing gas as a carrier gas and melt-adhered to the target surface based on heat generated by combustion of the metal Si powder, wherein the metal Si powder is contained in an amount of 10 to 25 mass % with respect to the entire thermal spray material, and wherein the metal Si powder has a median size of 10 ?m or less, and contains a fraction having a particle size of 2 ?m or less in an amount of 8 mass % or less with respect to the entire metal Si powder.

Abstract: Disclosed herein are opaque glass-ceramics comprising at least one nepheline crystal phase and comprising from about 30 mol % to about 65 mol % SiO2, from about 15 mol % to about 40 mol % Al2O3, from about 10 mol % to about 20 mol % (Na2O+K2O), and from about 1 mol % to about 10 mol % (ZnO+MgO). Also disclosed herein are opaque-glass ceramics comprising at least one nepheline crystal phase and at least one spinel-structure phase doped with at least one colorant chosen from transition metals and rare earth elements. Further disclosed herein are methods for making these opaque glass-ceramics.

Abstract: A refractory object can include at least 10 wt % Al2O3. In an embodiment, the refractory object can further include a dopant including an oxide of a rare earth element, Ta, Nb, Hf, or any combination thereof. In another embodiment, the refractory object may have a property such that the averaged grain size does not increase more than 500% during sintering, an aspect ratio less than approximately 4.0, a creep rate less than approximately 1.0×10?5 ?m/(?m×hr), or any combination thereof. In a particular embodiment, the refractory object can be in the form of a refractory block or a glass overflow forming block. The glass overflow forming block can be useful in forming an Al—Si—Mg glass sheet. In a particular embodiment, a layer including Mg—Al oxide can initially form along exposed surfaces of the glass overflow forming block when forming the Al—Si—Mg glass sheet.

Abstract: A composition is for the manufacture of glass solders for high-temperature applications up to temperatures of approximately 1000° C., which composition, having no ZrO2, has SiO2 at a proportion in the range from 48 mol-% to 62 mol %, Al2O3 at a proportion in the range from 0.5 mol % to 6 mol %, B2O3 at a proportion in the range 4 mol % to 12 mol %, BaO at a proportion in the range 12 mol % to 30 mol %, and either CaO at a proportion in the range from 2.5 mol % to 15 mol %, or an R2O3 at a proportion in the range 0.5 mol % to 20 mol % where the R2O3 is selected from La2O3, Y2O3, Sc2O3, and from a further oxide of a chemical element from the series of lanthanoids, wherein the SiO2:BaO ratio is in the range from 1.9 to 4.

Abstract: A dielectric ceramic material includes the composite ceramic powder of BaTiO3 and Ba2LiTa5O15, or BaTiO3 and Ba2LiNb5O15 that are based on the oxides of BaO, TiO2, Li2O and Ta2O5, or BaO, TiO2, Li2O and Nb2O5 as initial powder materials prepared subject to a respective predetermined percentage. This dielectric ceramic material simply uses simple binary oxides as initial powder materials that are easy to obtain and inexpensive, and that eliminate the complicated manufacturing process of synthesizing BaTiO3, Ba2LiTa5O15 or Ba2LiNb5O15, making the whole process more simple and the manufacturing cost more cheaper and preventing the formation of other compounds.

Abstract: Provided is a sealing material that easily converts laser light to thermal energy, exhibits satisfactory fluidity, and is conducive to a reduction in its melting point. The sealing material includes 54.9 vol % to 99.9 vol % of glass powder, 0 vol % to 45 vol % of refractory filler powder, and 0.1 vol % to 10 vol % of a laser absorbing material, in which the glass powder includes as a glass composition, in terms of the following oxides in mass %, 70% to 90% of Bi2O3, 2% to 12% of B2O3, 1% to 15% of ZnO, 0.2% to 15% of CuO+Fe2O3, and 0.1% to 20% of MgO+CaO+SrO+BaO.

Abstract: A low-temperature sintering dielectric composition contains barium titanate (BaTiO3) as a main ingredient and accessory ingredients including 1.0 to 2.0 mol % of barium carbonate (BaCO3), 0.5 to 1.0 mol % of at least one rare earth oxide selected from the group consisting of Y2O3, Ho2O3, Dy2O3, and Yb2O3, 0.1 to 1.0 mol % of manganese oxide (MnO), and 1.0 to 2.0 mol % of borosilicate based glass, based on 100 mol % of the main ingredient.