The present specification relates to a composition for a solid oxide fuel cell sealant including P.sub.2O.sub.5, a sealant using the same and a method for manufacturing the same.

A laminated glazing comprising a first ply of glazing material and a second ply of glazing material joined by at least one ply of adhesive interlayer material is disclosed. The first ply of glazing material comprises a sheet of glass having a first composition and the second ply of glazing material comprises a sheet of glass having a second composition different to the first composition. The laminated glazing has (i) a peripheral region extending around the periphery of the laminated glazing, the laminated glazing having a surface compression stress in the peripheral region and (ii) an edge compression, wherein the magnitude of edge compression is greater than the magnitude of the surface compression stress in the peripheral region. A method of making such a laminated is provided. A glass sheet suitable for being incorporated in such a laminated glazing is also disclosed.

Provided are a member that reduces a change in refractive index at high humidity (60% RH or more and less than 90% RH) and a method of manufacturing the member. The member comprises a base material and a porous layer formed on at least any one of surfaces of the base material, wherein the porous layer has dN.sub.2 of 5 nm or more and 20 nm or less and dH.sub.2O of 25 nm or more and 75 nm or less, and has a contact angle with respect to water of less than 60, in which dN.sub.2 is defined as a diameter of a pore at a time when a differential pore volume becomes maximum in the differential pore distribution in nitrogen adsorption and dH.sub.2O is defined as a diameter of a pore at a time when a differential pore volume becomes maximum in the differential pore distribution in water vapor adsorption.

A composition for solar cell electrodes includes a conductive powder, a glass frit, and an organic vehicle. The glass frit contains about 20 mol % to about 40 mol % of an alkali metal, about 20 mol % to about 30 mol % of zinc (Zn), and about 7 mol % to about 20 mol % of magnesium (Mg) in terms of oxide content.

The invention relates to a glass frit being a mixture of a first glass frit comprising tellurium oxide and bismuth oxide as main components and a second glass frit comprising tellurium oxide and lead oxide as main components, wherein the mixture of the first glass frit and the second glass frit comprises 40 to 55% by weight of tellurium oxide, 15 to 25% by weight of lead oxide and 5 to 15% by weight of bismuth oxide. The invention further relates to a conductive paste for forming electrodes on a semiconductor substrate, the paste comprising 85 to 92% by weight of an electrically conductive metal, 1.5 to 3.5% by weight of the glass frit and organic medium. The conductive paste is used for forming electrically conductive grid lines on semiconductor substrates for solar cells.

Disclosed is a sealing glass composition that turns, when fired at a temperature of 900-1150 C., into a crystallized glass having a thermal expansion coefficient of 80-11010.sup.7/ C. in the range of 50-850 C. The composition is substantially free of both boron oxide and barium oxide, and comprises SiO.sub.2: 43-53 mol %, CaO: 12-33 mol %, MgO: 12-33 mol %, La.sub.2O.sub.3: 1-7 mol %, and ZnO: 0-4.5 mol %.

Disclosed are a paste composition for forming a solar cell electrode, a solar cell electrode, and a solar cell. The paste composition includes a conductive powder, an organic vehicle and a glass frit, wherein the glass frit contains 0.1-20 wt % of PbO, 30-60 wt % of Bi.sub.2O.sub.3, 1.0-15 wt % of TeO.sub.2 and 8-30 wt % of WO.sub.3, and a mass ratio of TeO.sub.2 to WO.sub.3 is 0.5:1 to 1.75:1. The solar cell electrode formed of the paste composition of the present invention has excellent adhesive strength with respect to a soldering ribbon and minimizes serial resistance (Rs), thus provides high conversion efficiency.

There is disclosed an antibacterial glass composition, a preparing method of an antibacterial glass coating film using the same and an electric home appliance including the same. The antibacterial glass composition according to the present disclosure and the antibacterial glass coating film using the same are applied to an electric home appliance, thereby exhibiting excellent antibacterial properties and heavy metal elution safety, and exhibiting excellent transmittance (70% or more) when applied to a transparent glass substrate.

A low dielectric sealing glass powder for a miniature radio-frequency glass insulator is made of the following raw materials expressed in molar percentages: SiO.sub.2: 70.5-74.0%, B.sub.2O.sub.3: 20.5-23.5%, Ga.sub.2O.sub.3: 0.5-2.0%, P.sub.2O.sub.5: 0.25-2.0%, Li.sub.2O: 0.4-6.0%, K.sub.2O: 0.1-1.5%, LaB.sub.6: 0.05-1.0%, and NaCl: 0.03-0.3%. The raw material components are simple, and the preparation method is easy to implement. The dielectric constant and dielectric loss of the prepared glass powder are low, and the melting and molding temperature is low, which are convenient for large-scale industrial production. The melting and molding temperature of the low dielectric sealing glass powder ranges from 1320 C. to 1360 C., and the obtained glass has a dielectric constant ranging from 3.8 to 4.1 and a dielectric loss ranging from 410.sup.4 to 1010.sup.4 at a frequency of 1 MHz, and a sealing temperature ranging from 900 C. to 950 C.

A composition for forming an electrode includes a conductive powder, a glass frit, an organic vehicle, and a burn-out retardant. The burn-out retardant exhibits a residual carbon of greater than or equal to about 1 wt % at a temperature of about 600 C. based on the initial amount of 100 wt % and an exothermic peak at about 200 C. to about 500 C.