The present invention provides a thick-film paste for printing the front-side of a solar cell device having one or more insulating layers. The thick-film paste comprises an electrically conductive metal, and a lead-tellurium-oxide dispersed in an organic medium.

A composition for solar cell electrodes, a solar cell electrode, and a method of manufacturing a solar cell, the composition including a conductive powder; a glass frit; and an organic vehicle, wherein the conductive powder includes a first silver powder having a cross-sectional particle porosity of about 0.1% to about 6%.

The present invention relates to a forming material for three-dimensional (3D) printing, a forming method for 3D printing, and a formed object, wherein, while being based on an amorphous glass powder shaped irregularly, the forming material for 3D printing ensures excellent flowability and sinterability such that it enables the formation of high-quality products at high speed. The forming material for 3D printing consists of a parent glass powder in the form of an unmelted powder irregularly shaped by crushing amorphous glass; and a spherical nanopowder that has an average particle diameter equal to or less than 1/50.sup.th of the average particle diameter of the parent glass powder and is mixed in such a way that it can be disposed on a surface of the parent glass powder to enhance the flowability of the irregularly shaped parent glass powder during the formation of an object by 3D printing.

The lead-free glass composition contains vanadium oxide, tellurium oxide, alkali metal oxide, iron oxide, barium oxide, and tungsten oxide while containing substantially no phosphorus oxide, and further contains at least one of additional components including yttrium oxide, lanthanum oxide, cerium oxide, erbium oxide, ytterbium oxide, aluminum oxide, and gallium oxide. A content of the tellurium oxide is equal to or more than 25 mol %, and equal to or less than 43 mol % in terms of oxide TeO.sub.2. A content of the alkali metal oxide is equal to or more than 4 mol %, and equal to or less than 27 mol % in terms of oxide R.sub.2O (R: alkali metal element).

The purpose of the present invention is to provide a lead-free glass composition in which crystallization is suppressed and which has a low softening point. This lead-free glass composition is characterized by containing silver oxide, tellurium oxide and vanadium oxide, and further containing at least one compound selected from among yttrium oxide, lanthanum oxide, cerium oxide, erbium oxide, ytterbium oxide, aluminum oxide, gallium oxide, indium oxide, iron oxide, tungsten oxide and molybdenum oxide as an additional component, and in that the content values (mol %) of silver oxide, tellurium oxide and vanadium oxide satisfy the relationships Ag.sub.2O>TeO.sub.2V.sub.2O.sub.5 and Ag.sub.5O2V.sub.2O.sub.5 when calculated in terms of the oxides, and in that the content of TeO.sub.2 is 25-37 mol. %.

An object of the invention is to provide a multilayer glass which can be manufactured by a simple process. To solve the above problem, the multilayer glass according to the invention includes a first glass substrate, a second glass substrate that faces the first glass substrate at an interval of a predetermined space, and a sealing part that seals a periphery of an internal space defined by the first glass substrate and the second glass substrate. The sealing part is formed with a sealing material containing low melting point glass. The internal space is in a vacuum state. The first glass substrate includes an exhaust port that is provided to be included in a projection part of the sealing part when being projected in a lamination direction of the first glass substrate and the second glass substrate. The exhaust port is blocked by the sealing material (see FIG. 3).

A method of making a ceramic glaze additive formulation having an antimicrobial property for use with a ceramic article is provided. The method comprises fritting an antimicrobial formulation in a flux frit, providing a silver carrier in a glass matrix, combining the flux frit and the silver carrier in the glass matrix to form the ceramic glaze additive formulation, wherein the silver carrier is combined at an addition rate of at least 2 weight %, based on a dry weight basis of the ceramic glaze formulation. The flux frit is present in the ceramic glaze additive formulation in a range of 94 weight % to 99.5 weight %, based on a dry weight basis of the ceramic glaze additive formulation. A ceramic glaze additive formulation and a ceramic glazed article comprising a ceramic glaze additive formulation are also provided.

A conductive paste for forming a conductive track or coating on a substrate, the paste comprising a solids portion dispersed in an organic vehicle, the solids portion comprising electrically conductive material and an inorganic particle mixture; wherein the inorganic particle mixture comprises particles of glass frit and substantially crystalline particles of one or more metal compounds; and wherein the glass frit comprises at least 90 mol % Te O.sub.2.

The present invention provides a highly reliable multilayered glass panel and an encapsulating material for achieving the highly reliable multilayered glass panel. The encapsulating material includes lead-free low melting glass particles containing vanadium oxide and tellurium oxide, low thermal expansion filler particles, and glass beads as a solid content. A volume fraction of the glass beads in the solid content is not less than 10% to not more than 35%, and a volume fraction of the lead-free low melting glass particles in the solid content is larger than a volume fraction of the low thermal expansion filler in the solid content.

Certain example embodiments relate to seals for glass articles. Certain example embodiments relate to a composition used for sealing an insulted glass unit. In certain example embodiments the composition includes vanadium oxide, barium oxide, zinc oxide, and at least one additional additive. For instance, another additive that is a different metal oxide or different metal chloride may be provided. In certain example embodiments, a composition may be combined with a binder solution that substantially or completely burns out by the time the composition is melted. In certain example embodiments, a vacuum insulated glass unit includes first and second glass substrates that are sealed together with a seal that included the above-described composition.