Abstract: A compact fluorescent lamp luminaire with chambered structure to improve ventilation for controlling the temperature of ballasts and lamp in the luminaire. In such compact fluorescent lamp luminaires a plurality of compact fluorescent lamps is arranged inside a dome structure. The compact fluorescent lamps are powered through ballasts. Heat generated by the lamps is exhausted out of the luminaires without air heated by the lamps from passing through a chamber housing ballasts of the luminaire.

Abstract: A compact fluorescent lamp luminaire with chambered structure to improve ventilation for controlling the temperature of ballasts and lamp in the luminaire. In such compact fluorescent lamp luminaires a plurality of compact fluorescent lamps is arranged inside a dome structure. The compact fluorescent lamps are powered through ballasts. Heat generated by the lamps is exhausted out of the luminaires without air heated by the lamps from passing through a chamber housing ballasts of the luminaire.

Abstract: A compact fluorescent lamp luminaire with chambered structure to improve ventilation for controlling the temperature of ballasts and lamps in the luminaire. In such compact fluorescent lamp luminaires a plurality of compact fluorescent lamps is arranged inside a dome structure. The compact fluorescent lamps are powered through ballasts. Heat generated by the lamps is exhausted out of the luminaire without air heated by the lamps from passing through a chamber housing ballasts of the luminaire.

Abstract: A compact fluorescent lamp luminaire with chambered structure to improve ventilation for controlling the temperature of ballasts and lamps in the luminaire. In such compact fluorescent lamp luminaires a plurality of compact fluorescent lamps is arranged inside a dome structure. The compact fluorescent lamps are powered through ballasts. Heat generated by the lamps is exhausted out of the luminaire without air heated by the lamps from passing through a chamber housing ballasts of the luminaire.

Abstract: Air flow management of a compact fluorescent lamp fixture is provided to cool the lamps. Lamp chamber ventilation is passive and/or active through the use of vents in the lamp chamber and/or the use of a fan to induce air flow. Ballast housing ventilation is also provided to manage temperatures inside ballast housings associated with lamp chambers of compact fluorescent lamp fixtures.

Abstract: A multistage, proximity type, radiation image intensifier tube having improved performance characteristics and more rugged construction is provided. A scintillator assembly is comprised of a first ceramic, cellular substrate defining an array of hexagonally shaped cells. The cell walls taper to an edge and are coated with a conductive material such as aluminum. The cells are filled with a scintillation material such as cesium iodide. A first flat photocathode is provided adjacent the first substrate. An intermediate assembly spaced from the scintillator assembly is provided comprised of a second ceramic, cellular substrate similar to the first. The cell walls are coated with a conductive material such as aluminum. A support layer is mounted to the substrate on an end opposite the scintillator assembly. A first flat phosphor display screen is mounted to the support layer on a side internal the second substrate. A second photocathode is provided adjacent the second substrate.

Abstract: A multistage, proximity type, radiation image intensifier tube having improved performance characteristics and more rugged construction is provided. A scintillator assembly is comprised of a first ceramic, cellular substrate defining an array of hexagonally shaped cells. The cell walls taper to an edge and are coated with a conductive material such as aluminum. The cells are filled with a scintillation material such as cesium iodide. A first flat photocathode is provided adjacent the first substrate. An intermediate assembly spaced from the scintillator assembly is provided comprised of a second ceramic, cellular substrate similar to the first. The cell walls are coated with a conductive material such as aluminum. A support layer is mounted to the substrate on an end opposite the scintillator assembly. A first flat phosphor display screen is mounted to the support layer on a side internal the second substrate. A second photocathode is provided adjacent the second substrate.

Abstract: A multistage, proximity type, radiation image intensifier tube having improved performance characteristics and more rugged construction is provided. A scintillator assembly is comprised of a first ceramic, cellular substrate defining an array of hexagonally shaped cells. The cell walls taper to an edge and are coated with a conductive material such as aluminum. The cells are filled with a scintillation material such as cesium iodide. A first flat photocathode is provided adjacent the first substrate. An intermediate assembly spaced from the scintillator assembly is provided comprised of a second ceramic, cellular substrate similar to the first. The cell walls are coated with a conductive material such as aluminum. A support layer is mounted to the substrate on an end opposite the scintillator assembly. A first flat phosphor display screen is mounted to the support layer on a side internal the second substrate. A second photocathode is provided adjacent the second substrate.