A glass for sealing of the present invention includes as a glass composition, in terms of mol %, 60% to 80% of SiO.sub.2, 8% to 5.8% of B.sub.2O.sub.3, 12% to 18.7% or Li.sub.2O+Na.sub.2O+K.sub.2O, and 2% to 12% of MgO+CaO+SrO+BaO, and has a molar ratio SiO.sub.2/B.sub.2O.sub.3 of 14 or more.

The present invention relates to electrothermic composite material comprising an electrothermic layer on a substrate, wherein the electrothermic layer comprises glass having a carbon component dispersed throughout, wherein the glass, the carbon component, and their relative concentrations are selected such that the electrothermic layer resists delamination from the substrate over repeated electrical heating and cooling cycles. Methods and uses of the composite materials are also described.

Intercalation pastes for use with semiconductor devices are disclosed. The pastes contain precious metal particles, intercalating particles, and an organic vehicle and can be used to improve the material properties of metal particle layers. Specific formulations have been developed to be screen-printed directly onto a dried metal particle layer and fired to make a fired multilayer stack. The fired multilayer stack can be tailored to create a solderable surface, high mechanical strength, and low contact resistance. In some embodiments, the fired multilayer stack can etch through a dielectric layer to improve adhesion to a substrate. Such pastes can be used to increase the efficiency of silicon solar cells, specifically multi- and mono-crystalline silicon back-surface field (BSF), and passivated emitter and rear contact (PERC) photovoltaic cells. Other applications include integrated circuits and more broadly, electronic devices.

One aspect is a logic power module, with at least one logic component, at least one power component and a substrate. The logic element and the power component are provided in separate areas on the substrate. The logic component on the substrate is provided by thick printed copper; and the power component is provided by a metal-containing thick-film layer, and, provided thereon, a metal foil.

A conductive paste composition, including aluminum powder; an organic carrier including an organic solvent and resin or cellulose; and phenoxy alkyl alcohol accounting for 210% of weight of the conductive paste composition. The conductive paste composition includes the phenoxy alkyl alcohol, and thus resultant conductive paste not only has enhanced surface tension, but also has an increased difference in surface tension between the resultant conductive paste and a cell to therefore alter wetting behavior between the paste and a silicon wafer, to reduce the broadening behavior of the wiring lines printed, increase the aspect ratio of printing wiring, increase the light-receiving area of the solar cells, and enhance the photovoltaic conversion efficiency of the solar cells (especially local back surface field solar cells and PERC bifacial cells).

A composition for diamond sawn wafer solar cell electrodes, a diamond sawn wafer solar cell electrode, and method of manufacturing a diamond sawn wafer solar cell, the composition including a conductive powder; a glass frit; and an organic vehicle, wherein the glass frit includes about 10 mol % to about 30 mol % of tellurium oxide, about 10 mol % to about 20 mol % of lithium oxide, and about 5 mol % to about 15 mol % of magnesium oxide.

A seal composition includes a first alkaline earth metal oxide, a second alkaline earth metal oxide which is different from the first alkaline earth metal oxide, aluminum oxide, and silica in an amount such that molar percent of silica in the composition is at least five molar percent greater than two times a combined molar percent of the first alkaline earth metal oxide and the second alkaline earth metal oxide. The composition is substantially free of phosphorus oxide. The seal composition forms a glass ceramic seal which includes silica containing glass cores located in a crystalline matrix comprising barium aluminosilicate, and calcium aluminosilicate crystals located in the glass cores.

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.

A feedthrough assembly includes: a ferrule; an insulating structure; and a seal fixedly securing the insulating structure within the ferrule, the seal comprising a glass and single-phase particulate dispersed therein; wherein the glass includes: 25% to 40% B.sub.2O.sub.3; 0 to 25% CaO; 0 to 25% MgO; 0 to 25% SrO; 0 to 10% La.sub.2O.sub.3; 5% to 15% SiO.sub.2; and 10% to 20% Al.sub.2O.sub.3; wherein all percentages are mole percentages of the glass.

In one example, a solver engine may execute a reverse calculation to determine a recipe ingredient set based on a goal descriptor describing a ceramic glaze. A descriptor interface of the solver engine may receive a goal descriptor describing a ceramic glaze. A model applicator of the solver engine may apply a glaze process model to the goal descriptor. The model applicator may automatically reverse calculate a glaze recipe describing a recipe ingredient set to produce the ceramic glaze described by the goal descriptor. A glaze mixing machine interface may direct a glaze mixing machine to mix the recipe ingredient set to produce the ceramic glaze.