Abstract: A method of forming a distortion-free circuit whereby a conductive composition is applied to at least one layer of green ceramic tape. The conductive composition formulation is based on total composition, conductive powder selected from Ag, Pd, Pt and mixtures thereof and 0.5 to 1.5 wt. % boron; wherein a and b are dispersed in organic medium. The green tape formulation is, based on total composition, 25-50 wt. % glass composition comprising, based on mole %, 50-67% B2O3; 20-50% alkaline earth metal oxide; 2-15% rare earth oxide and 0-6% alkali metal oxide and 0-10% Al2O3; 50-75 wt. % refractory oxide and organic polymeric binder. The assemblage is fired to form a distortion-free circuit.

Abstract: A glass composition comprising, based on mole %, 50-67% B.sub.2 O.sub.3 ; 20-50% M.sup.II O where M.sup.II is selected from the group consisting of alkaline earth elements; 2-15% Ln.sub.2 O.sub.3 where Ln is selected from the group consisting of rare earth elements and further comprising, based on mole %, 0-6% M.sup.I.sub.2 O where M.sup.I is selected from the group consisting of alkali elements and 0-10% Al.sub.2 O. The glass composition incorporated into a castable dielectric composition comprising a dispersion of finely divided solids comprising, based on solids: (a) 25-50 wt. % the glass composition; (b) 50-75 wt % refractory oxide; both dispersed in a solution of (c) an organic polymeric binder; and (d) a volatile organic solvent. The castable dielectric composition used in a method of forming a low loss green tape by casting a thin layer of the dispersion onto a flexible substrate and heating the cast layer to remove the volatile organic solvent.

Abstract: A lead and cadmium-free encapsulant glass composition consisting essentially of by weight %, 60-80% Bi.sub.2 O.sub.3, 6-14% SiO.sub.2, 5-12% B.sub.2 O.sub.3, 5-10% Al.sub.2 O.sub.3 and 0-4% ZnO.

Abstract: A dielectric composition comprising an admixture of finely divided particles of(a) 65-94 wt % of a non-reducing amorphous glass comprising of 15-27% ZnO, 8-30% alkaline earth metal oxides including 7-21% BaO, 40-60% SiO.sub.2, 3-14% Al.sub.2 O.sub.3, 0-5% PbO and 0.5-5% of a metal oxide selected from ZrO.sub.2, up to 2.5% P.sub.2 O.sub.5 and mixtures thereof, the composition being crystallizable and non-reducing when fired at 850.degree.-900.degree. C.(b) 30-5 wt % of a metal oxide of Al.sub.2 O.sub.3, ZrSiO.sub.4 and mixtures thereof,(c) 1-5 wt % of a metal oxide kerf additive of CoAl.sub.2 O.sub.4, Co/CrAl.sub.2 O.sub.4, CoO, CoCr.sub.2 O.sub.4, Cr.sub.2 O.sub.3, TiO.sub.2, and mixtures thereof,where the sum of the components a and b does not exceed 35% by weight of the total particulate admixture, and(d) optionally, 1-10 wt % of either a TCE reducing additive of zircon, mullite, silica, and mixtures thereof or a TCE increasing additive of CaZrO.sub.3, quartz, .alpha.-cristobalite and mixtures thereof.

Abstract: An encapsulant composition comprising a lead zinc silicoborate glass which forms a crystalline phase of Zn.sub.2 SiO.sub.4 and ZnB.sub.2 O.sub.4 when it is fired at 650.degree.-800.degree. C.

Abstract: An encapsulant composition comprising a lead zinc silicoborate glass which forms a crystalline phase of Zn.sub.2 SiO.sub.4 and ZnB.sub.2 O.sub.4 when it is fired at 650.degree.-800.degree. C.

Abstract: A dielectric glass composition consisting essentially on a molar basis of 15-27% ZNO, 8-16% BaO, 40-60% SiO.sub.2, 3-14% Al.sub.2 O.sub.3, 0-5% PbO and 0.5-5% of a metal oxide selected from ZrO.sub.2, up to 2.5% P.sub.2 O.sub.5 and mixtures thereof, the composition being crystallizable and non-reducing when fired at 850.degree.-900.degree. C.

Abstract: Thick film electronic compositions comprising finely divided particles of electrically functional material and a PbO-compatible inorganic binder dispersed in an organic medium in which 0.1 to 10.0% wt. lead nitrate is coated on the surface of at least one of the solide components.

Abstract: A composition for the preparation of thick film resistors comprising an admixture of finely divided particles of a conductive metal hexaboride, glass inorganic binder which is substantially irreducible by the metal hexaboride and a small amount of finely divided silica.

Abstract: Thick flim resistors and conductors compatible with copper and fireable in nonoxidizing atmosphere are provided. The resistors are based on certain hexaboride conductors such as LaB.sub.6 and glasses which are thermodynamically stable to or nonreducible by the hexaborides. Thick film pastes prepared with small particle size hexaboride and certain ethylene-vinyl acetate polymeric vehicles afford resistors having improved temperature coefficient of resistance and coefficient of variation.

Abstract: A high capacitance dielectric powder composition consisting essentially of finely divided particles of (a) 92-99% wt. BaTiO.sub.3 and (b) 8-1% wt. of a sintering aid consisting essentially of Pb or Li fluoride and optionally one or more oxides of Bi, Zn and Pb or precursors thereof.

Abstract: A composition for the preparation of thick film resistors comprising an admixture of finely divided particles of a conductive metal hexaboride and a crystallizable glass frit which is irreducible by the metal hexaboride containing at least 5 mole % of Ta.sub.2 O.sub.5 which is reducible by the metal hexaboride under normal firing conditions.

Abstract: A syrup of a magnesium compound is provided, which is screen printable onto a surface and pyrolyzable to form a MgO film thereon. The syrup contains solvent, organic magnesium compound dissolved in the solvent, and organic polymer thickener dissolved in the solvent.

Abstract: Temperature coefficient of resistance (TCR) modifiers, useful in thick film resistor compositions, which can be fired in nonoxidizing atmosphere and which are based on LaB.sub.6 and glass powders dispersed in a vehicle, are provided. Among such TCR modifiers are included TiO, Ge, Si, and graphite.

Abstract: A pin cylinder litter collector for picking up litter by wedging or piercing action comprising a frame, a first shaft rotatable in the frame, and rods secured spacedly radially of said first shaft with said rods having sharp pointed free ends and sleeves of resilient material mounted on them a distance from the sharp pointed ends in order to pick up litter by piercing and wedging respectively. A second shaft is mounted rotatably in the frame and cooperates with the first shaft. On this second shaft is mounted a device for removing litter from the points and in between the sleeves of the rods on the first shaft consisting of first sections which are cylinder brush sections which are aligned for removing litter from the sharp points of the rods and second sections which may be made of metal, plastic, or other suitable material, which are aligned to remove wedged litter from in between the sleeves of the rods.

Abstract: New forms of copper aluminum sulfide are semiconductors. Depending on the amount of dopant present, they are either p-type or n-type.