Abstract: A glow discharge starter having an hermetically sealed envelope of vitreous material, a seal located at one end thereof and containing an ionizable medium. A pair of electrical conductors extend through the seal and terminate in a spaced relationship to form a pair of electrodes within the envelope. At least one of the electrodes has a bimetallic element secured thereto. The bimetallic element is deformable by heat into engagement with the other of the electrodes. Gettering means contained within the envelope reduces dark effect by improving dark starting and reduces aging time of the glow discharge starter. Preferably, the gettering means is a metal selected from the group consisting of bismuth and lead.

Abstract: This invention relates to incandescent lamps and more particularly to the gettering of such lamps. In accordance with the present invention, there is provided an incandescent lamp comprising an envelope, a tungsten filament mounted within the envelope, a fill gas, and a getter comprising silane and phosphorus. In accordance with another aspect of the present invention, there is provided a method of gettering an incandescent lamp. The method comprises providing a getter comprising phosphorus and silane in an unsealed lamp envelope; sealing the lamp envelope; and activating the phosphorus source and silane located within the sealed envelope.

Abstract: This invention relates to incandescent lamps and more particularly to the gettering of such lamps. In accordance with the present invention, there is provided an incandescent lamp comprising an envelope, a tungsten filament mounted within the envelope, a fill gas, and a getter comprising phosphorus and a borane compound and/or partially halogenated derivatives thereof. In accordance with another aspect of the present invention, there is provided a method of gettering an incandescent lamp. The method comprises providing the above-described getter in an unsealed lamp envelope; sealing the lamp envelope; and activating the getter located within the sealed envelope.

Abstract: This invention relates to the lead-in wires used in association with press seals in soda-lime glass for achieving electrical connection into the sealed envelope of a compact fluorescent lamp. The lead-in wires have a core comprising nickel and iron. A metallic plating on the core prevents formation of Fe.sub.2 O.sub.3 during lamp sealing. The invention improves lamp life by maintaining seal integrity at elevated seal temperatures.

Abstract: This invention related to incandescent lamps and more particularly to the gettering of such lamps. In accordance with the present invention there is provided an improved method of gettering an incandescent lamp. The method comprises introducing a fill gas and a getter compound comprising a silane compound, or a partially halogenated derivative thereof, into an unsealed lamp envelope; sealing the lamp envelope; and heating the sealed envelope, for a sufficient period of time, and at a temperature sufficient to activate the getter to perform its desired gettering function prior to the thermal decomposition thereof.

Abstract: This invention relates to incandescent lamps and more particularly to the gettering of such lamps. In accordance with the present invention there is provided an improved method of gettering an incandescent lamp. The method comprises introducing a fill gas and a getter compound comprising a borane compound, or a partially halogenated derivative thereof, into an unsealed lamp envelope; sealing the lamp envelope; and heating the sealed envelope, for a sufficient period of time, and at a temperature sufficient to activate the getter to perform its desired gettering function prior to the thermal decomposition thereof.

Abstract: A silk-screenable circuit paste which can be screen-printed onto a circuit board with minimum pinholing or void formation is provided. The silk-screenable circuit paste of the present invention includes electrically conductive powder, a binding resin, an organic silicone material, and an organic solvent system including ethylene glycol diacetate and a suitable cosolvent.

Abstract: An improved flashed-lamp indicator composition comprising a volatile dye, a nonvolatile particulate heat-absorbing material; a binding agent; and inert platelet-shaped particles having an average particle size within the range of from about 0.5 to about 1.5 micron is provided. Also provided is a multilamp photoflash array in which each flash lamp of the array has at least one spot of the improved flashed-lamp indicator composition of the present invention in heat-receiving relationship therewith.

Abstract: An improved primer material for use in a high-voltage photoflash lamp is provided. The primer material includes electrically insulating beads which have been coated with a friction-reducing material. The primer also includes an oxidizing agent, and a binder, and a combustible metal powder, part of the combustible metal powder being in larger particle form. A high-voltage photoflash lamp including the improved primer material of the present invention is also disclosed.

Abstract: A multilamp photoflash device comprising an outer housing containing a plurality of flashlamps and means for sequentially flashing the flashlamps of the device and having an antistatic coating on the surface of the outer housing is provided. The antistatic coating comprises an anionic surfactant and a deliquescent salt. A method for inhibiting electrostatic charge buildup in a multilamp photoflash device comprising an outer housing containing a plurality of flashlamps and means for sequentially flashing the flashlamps of the device is also provided. The method includes applying an antistat solution comprising an anionic surfactant and a deliquescent salt dissolved in a solvent to the surface of the outer housing of the multilamp photoflash device and evaporating the solvent from the antistat solution on the surface of the outer housing so as to form an antistatic coating thereon. The coating comprises the anionic surfactant and deliquescent salt components of the antistat solution.

Abstract: A multilamp photoflash array responsive to either a relatively high or relatively low pulse potential includes normally open (N/O) switches formed from an admixture including silver carbonate and/or silver oxide, titanium dioxide, a blended binder and a sulfur compound in the range of about 0.001 to 5.0 percent by weight and selected from the group consisting of elemental sulfur and low solubility sulfides.

Abstract: A multilamp photoflash array responsive to either a relatively high or relatively low pulse potential includes normally open (N/O) switches formed from an admixture including sliver carbonate and/or silver oxide, titanium dioxide, a blender binder and aluminum hydroxide. Also, enhanced results are provided by the inclusion of a sulfur compound in the range of about 0.001 to 5.0 percent by weight within the admixture.

Abstract: A glow discharge starter having an hermetically sealed envelope containing an ionizable medium, a bimetallic electrode and a counter electrode located therewithin. A pair of lead-in conductors passes through one end of the envelope for electrically connecting the electrodes. A spot of dried paste is disposed on a surface within the envelope and comprises a mixture of thorium and a binder. The quantity of thorium is sufficient to reduce the dark effect of the glow discharge starter by improving the dark starting performance of the glow discharge starter.

Abstract: A high-voltage photoflash lamp is provided wherein the primer material is electrically insulated from the metallic shreds therein by an adherent layer of hollow electrically insulating beads. The layer of hollow beads is contiguous to the surface of the primer material within the lamp envelope.

Abstract: A miniaturized multilamp photoflash array including a transparent plastic cover member with the cover member having at least one prismatic barrier divider extending outwardly therefrom between a pair of parallel arrayed flashlamps. The prismatic barrier divider serves as a shield whereby sympathetic flashing of adjacent flashlamps is reduced.

Abstract: A circuit breaker for a rapid-start fluorescent lamp includes a pair of electrical conductors sealed into a glass bottle, a bimetal switch within the bottle having one end affixed and the other end contacting the pair of electrical conductors and a meltable by-pass element shunting the pair of electrical conductors and formed of a material having a relatively high cold resistivity and a low temperature coefficient of resistance.

Abstract: A method for increasing the life and stability of tungsten filaments by burning the filaments in an atmosphere containing WF.sub.6. The procedure effects hot spot repair of the filaments by localized deposition of tungsten thereon.

Abstract: A tungsten-halogen lamp employs a slidable getter which automatically positions itself in the lowest, and thus, coolest, portion of the envelope where it is most efficient. This feature allows such lamps to be burned in a horizontal or vertical mode; the vertical mode including both base down and base up positioning.

Abstract: Filament sag in tungsten-halogen lamps is significantly reduced by including within the envelope an additive selected from the group of bismuth, antimony and tellurium and combinations thereof.

Abstract: A miniaturized multilamp photoflash array includes a housing member having a back portion with a printed electrical circuit on one surface thereof and a light transmittable front portion affixed to the back portion with a plurality of flashlamps affixed to and supported by the array and each flashlamp having a pair of electrical conductors in electrical contact with the printed circuit on one surface of the back portion of the housing member.