Abstract: A process is disclosed for volume reduction and solidification of a radioactive waste solution mainly composed of sodium borate and discharged from a pressurized water reactor. The process comprises adding to said radioactive waste solution, ZnO or a mixture of ZnO with Al.sub.2 O.sub.3 and/or CaO, and then subjecting the resulting mixture to dehydration and melting to produce a vitrified solid solution. Said process is safe and reliable. A vitrified solid solution produced by said process is safe and stable.

Abstract: Tellurite glass is disclosed, consisting essentially of 60 to 85 mol % of TeO.sub.2, up to 25 mol % of Li.sub.2 O, up to 35 mol % of Na.sub.2 O, up to 25 mol % of K.sub.2 O, up to 25 mol % of Rb.sub.2 O, up to 15 mol % of Cs.sub.2 O, up to 10 mol % of MgO, up to 5 mol % of CaO, up to 5 mol % of SrO, 1 to 30 mol % of BaO, up to 30 mol % of ZnO, up to 30 mol % of PbO, and up to 5 mol % in total of La.sub.2 O.sub.3, ZrO.sub.2, TiO.sub.2, Nb.sub.2 O.sub.5, Ta.sub.2 O.sub.5 and WO.sub.3 with the total content of K.sub.2 O, Rb.sub.2 O and Cs.sub.2 O being from 1 to 25 mol %, and the total content of ZnO and PbO being from 1 to 30 mol %. The tellurite glass has a reduced light path difference with temperature difference and an increased figure of merit.

Abstract: The strength of end terminations on multilayer capacitors employing base metal electrodes is increased by heating the terminations, subsequent to firing in a reducing atmosphere, in an atmosphere in which the oxygen partial pressure is at least equal to that of air for a period of at least 15 minutes at a temperature of 375.degree. C.-600.degree. C.

Abstract: A polymeric flame retardant composition comprises low melting temperature phosphate-sulfate glass compositions in an amount of from about 10 to about 100 parts by weight per 100 parts by weight of said polymer. Desirably, the polymer is a halogen-containing polymer. The phosphate-sulfate combination has been found to produce synergistic results.

Abstract: Electrochemical devices use a vitreous material having a general formulaxAaR.sub.b --yNmRc--zN.sub.n Y.sub.pwherein A is Si, Ge, P, S, B, Nb, As, V, Cr or Mo; R is O, S or Se; N is Li, Na, K or Ag and Y is I, Br, Cl, F, ClO.sub.4, CF.sub.3, SO.sub.3, SCN or SO.sub.4 with the proviso that the material contain at least two salts NY. Such materials have increased cationic conductivity.

Abstract: This invention is directed to the preparation of glasses in the PbO--Ga.sub.2 O.sub.3 field exhibiting good infrared transmitting characteristics out to wavelengths of 8 microns. The binary glasses consist essentially, by weight, of about 15-28% Ga.sub.2 O.sub.3 and 72-85% PbO. However, the preferred glasses contain up to 85% Bi.sub.2 O.sub.3 and consist essentially as included within the area generally encompassed by the curve in FIG. 2.

Abstract: Coating for carbon electrodes used as anodes in the electrolysis of alumina to produce aluminum are disclosed. The coatings are aqueous and contain zinc chloride and powdered alumina.

Abstract: This invention is concerned with the production of glasses in the Bi.sub.2 O.sub.3 --Ga.sub.2 O.sub.3 system with, preferably, CdO which exhibit high indices of refraction and infrared transmitting capabilities to wavelengths of about 8 microns. The broadest scope of operable glasses involves, in weight percent, about______________________________________ Bi.sub.2 O.sub.3 40-90 Ga.sub.2 O.sub.3 5-30 CdO 0-35 ______________________________________with the preferred glasses consisting essentially of about ______________________________________ Bi.sub.2 O.sub.3 55-85 Ga.sub.2 O.sub.

Abstract: A capacitor is formed by placing between two electodes a thin film of amorphous titanate which has been ion implanted with noble gas ions.

Abstract: Glass ceramic materials having controllable temperature coefficients of dielectric constant or capacitance (TCC) are provided. The ceramic component of the composition possesses paraelectric properties at least over the temperature range of -55.degree. C. to 125.degree. C. and can be controllably crystallized from the glassy matrix initially formed. Heat treatment of the glass produces crystallization of the ceramic component and results in glass ceramic materials with controlled TCC values which are useful as capacitors, resonators, microwave substrates, and the like because of their low dielectric loss characteristics and temperature stability.

Abstract: A sealing composition consisting of 35-50% by weight of aluminum oxide, 35-50% by weight of calcium oxide, 1-10% by weight of yttrium oxide and 1-15% by weight of strontium oxide has a high wettability with alumina ceramics and refractory metal, and further has high heat resistance and resistance against sodium vapor. The sealing composition is excellent for sealing alumina arc tubes for high intensity discharge lamps with ceramics or refractory metal. Included within the scope of the invention is a composition consisting of 40-50% by weight of aluminum oxide, 35-43% by weight of calcium oxide, 3-10% by weight of yttrium oxide and 8-15% by weight of strontium oxide, as well as methods for using the compositions.

Abstract: An improved acousto-optic device and method featuring an acousto-optic element having an alkali metal oxide-tellurite glass composition comprising at least 92 wt % tellurium dioxide and one or more alkali metal oxides selected from the group consisting of sodium oxide and potassium oxide. A process for decreasing the acoustic attenuation of the aforementioned glass composition by annealing is also disclosed.

Abstract: A solder glass suspension for sealing glass or other ceramic parts is provided having the characteristics of a reversible gel, exhibiting high viscosity during storage and after extrusion onto a sealing surface, but relatively low viscosity under shear stress during extrusion. The use of the suspension for sealing glass or ceramic parts is also described.