Abstract: Conductor compositions of finely divided Ni.sub.3 B.sub.1-x P.sub.x wherein x is the approximate range 0.05-0.6, dispersed in a vehicle, useful for producing sintered conductor patterns on a substrate. Glass powder may optionally be present. Also the resultant fired conductors.

Abstract: A barium-lithium-alumina-borate glass frit includes the following by weight on an oxide basis: 10.5-16.7% BaO; 10-11% Li.sub.2 O; 2-3% Al.sub.2 O.sub.3 ; and 70-77% B.sub.2 O.sub.3. The frit can be fired, i.e., fused from powdered form to solid sealing glass, at low temperatures, e.g., about 530.degree. C. Firing can take place in an atmosphere which is inert, oxidizing, or reducing. After firing for a sufficient time, e.g., 3 hours, the sealing glass becomes fully devitrified. The devitrified sealing glass has an expansion coefficient substantially the same as that of window glass, i.e., about 90 .times. 10.sup.-7 /.degree. C. The devitrified sealing glass can be reheated to temperatures in excess of 530.degree. C without deterioration or strains developing in a sealed joint.

Abstract: This invention relates to the production of a composite article consisting of an opal glass body exhibiting a dense, milky-white appearance coated with an adherent enamel demonstrating high gloss and exceptional chemical durability. More specifically, the opal glasses of the present invention have compositions within the Na.sub.2 O-Al.sub.2 O.sub.3 -SiO.sub.2 -F system and demonstrate a softening point in excess of 760.degree. C., a strain point in excess of 490.degree. C., and a coefficient of thermal expansion (0.degree.-300.degree. C.) of about 66-75 .times. 10.sup..sup.-7 /.degree. C. The enamels of the instant invention have flux compositions within the Li.sub.2 O-B.sub.2 O.sub.3 -TiO.sub.2 -ZrO.sub.2 -PbO-SiO.sub.2 system, will fire to a high gloss in less than about 10 minutes at temperatures below about 720.degree. C., will exhibit coefficients of thermal expansion (25.degree.-300.degree. C.

Abstract: Novel aromatic nitrile-containing polyester, polyamide, and silicone polymers are described. These nitrile-containing polymers are heat resistant and are used as fibers and resins and to prepare fiber-reinforced composites exhibiting outstanding mechanical strength at room and particularly elevated temperatures. Styrene-butadiene and styrene-acrylonitrile copolymers are described wherein at least some of the phenyl groups contain nitrile substituents. Composites having various shapes such as tires are described utilizing these nitrile-containing copolymers reinforced with fibers either containing aromatic nitrile groups or coated with resins containing nitrile substituted aromatic groups. These composites are useful in a variety of applications. The procedure for preparing such composites is disclosed.

Abstract: Disclosed herein are powder compositions useful for making conductors, e.g., microcircuit conductors, end terminations for capacitors, electrodes for gas discharge display devices, etc. The compositions comprise inorganic powders dispersed in an inert vehicle and are printed and fired in the conventional manner on dielectric substrates. The inorganic powders comprise certain nickel compounds (borides or boride-silicides). Glass powder, nickel metal powder, and/or nickel silicide may also be present.

Abstract: The adherence of an optically reflective coating of refractory metal oxide particles such as ZrO.sub.2 or Al.sub.2 O.sub.3 on a fused silica discharge tube surface is improved severalfold by an adhesion layer consisting of colloidal aluminum oxide and boric oxide powders. The adhesion layer may be first applied and dried, the refractory metal oxide coating then applied, and the quartz tube then heated to a temperature greater than 460.degree. C., the melting point of boric oxide. The refractory metal oxide particles may also be applied admixed with the colloidal aluminum oxide and the boric oxide. The improved coating strength permits the use of a thicker layer of refractory metal oxide for higher optical and thermal reflection.

Abstract: Cermet resistors based on ruthenium dioxide and in some instances iridium dioxide have been found to have unusually low Temperature Coefficients of Resistivity (TCR) when a particular glass frit and a vanadium oxide additive are utilized. These unique resistors exhibit TCR's of less than .+-.25 ppm/.degree. C over -55.degree. to .+-.150.degree. C with the extremes of the TCR varying less than 20 ppm. The vanadium, iridium and ruthenium oxides can be used as such or derived from metal resinates.

Abstract: The invention relates to a fire screening glazing panel and a method for forming the panel. The panel is composed of at least two structural plies, at least one of which is a vitreous sheet, and a layer therebetween composed at least in part of a heat convertible barrier forming material, which material forms a solid porous or cellular thermally insulating body when subjected to sufficient heat, as during a fire. The barrier forming material is an hydrated metal salt selected from the group consisting of aluminates, plumbates, stannates, alums, borates, and phosphates. The barrier forming material does not significantly reduce the transparency of the structural sheets, if they are transparent, even over extended use during normal conditions.

Abstract: Novel poly(urethane-isocyanurate) foams and their preparation are described. These foams contain hollow glass spheres and are tough, non-friable and heat stable. Energy absorbing panels are also provided.

Abstract: The invention relates to a fire screening glazing panel and a method for forming the panel. The panel is composed of at least two structural plys, at least one of which is a vitreous sheet, and a layer therebetween composed at least in part of a heat convertible carrier forming material which material forms a solid porous or cellular thermally insulating body when subjected to sufficient heat, as during a fire. A protective stratum is applied to at least one of the vitreous sheet plys for inhibiting interaction between the barrier forming material and the ply, thereby maintaining the transparency of the ply if it is formed of transparent material, and maintaining its color.

Abstract: Glass having improved hydrolytic and chemical resistance as well as improved water repellency and mechanical characteristics is obtained by reacting the glass surface with an organoborosiloxane polymer, substituted by one or more of alkyl, aryl, alkoxy, acyl radicals, said organoborosiloxane polymer containing no free hydroxy groups in the presence of one or more organic Ti, Zr, Sn, v compounds at a temperature comprised between 200.degree. and 400.degree.C in order to obtain, through a grafting reaction, a superficial layer of modified glass.

Abstract: A laser assembly and a novel glass laser disc having an annular lead borate glass coating for use in the assembly is disclosed, the annular coating being capable of absorbing energy at a wavelength of 1.06 microns to thereby absorb parasitic oscillations. The outstanding glass coating has an index of refraction not substantially less than the index of refraction of the glass disc, the glass coating containing an effective energy-absorbing amount of a heavy metal oxide, such as Sm.sub.2 O.sub.3 and CuO, for absorbing energy at a wavelength of about 1.06 microns. The heavy metal oxides includes oxides of transition metals of the 3d, 4d, 4f and 5f orbital series.