Abstract: A gas discharge lamp may include: a discharge vessel; getter material in the discharge vessel, wherein the getter material has been introduced into the discharge vessel in anhydrous form. A method for producing the gas discharge lamp may include: introducing getter material into the discharge vessel of the gas discharge lamp, wherein the getter material is introduced into the discharge vessel in anhydrous form.

Abstract: The present invention is a method and material for using a sorbent material to capture and stabilize mercury. The method for using sorbent material to capture and stabilize mercury contains the following steps. First, the sorbent material is provided. The sorbent material, in one embodiment, is nano-particles. In a preferred embodiment, the nano-particles are unstabilized nano-Se. Next, the sorbent material is exposed to mercury in an environment. As a result, the sorbent material captures and stabilizes mercury from the environment. In the preferred embodiment, the environment is an indoor space in which a fluorescent has broken.

Abstract: A gas discharge lamp, photoionization sensor employing the gas discharge lamp, and method of manufacturing the lamp. The lamp includes a longitudinally extending strip of getter within the housing. The method of manufacture includes the steps of (i) obtaining a glass tube, (ii) constricting the tube intermediate the longitudinal ends to divide the bore into first and second chambers in fluid communication with one another through a passageway in the constriction, (iii) attaching an ultraviolet transparent window over the open end of the first chamber, (iv) inserting a strip of getter into the first chamber through the passageway in the constriction, (v) purging the first chamber with a noble gas, and (vi) heating the tube at the constriction to detach the first chamber from the second chamber and seal the constricted end of the first chamber.

Abstract: A xenon short arc lamp for a digital projector, includes an anode, a cathode having a cathode main body that is made of tungsten containing electron emissive material, and an arc tube made of silica glass, wherein a supply source of carbon is formed on a metal portion in the arc tube except a tip area of the cathode, and the carbon is supplied to the tip of the cathode through a gaseous phase during lamp lighting, so that a surface layer of the cathode is melt.

Abstract: A dielectric barrier discharge lamp (1) configured as a coaxial double tube comprises an inner tube (3), which is disposed coaxially inside an outer tube (2). The inner tube (3) comprises an inner electrode tube (8) provided for receiving the inner electrode (7) and a getter tube (10) provided for receiving getter material (9). The inner electrode tube (8) and getter tube (10) are separated from each other in a gastight manner by a partition (11).

Abstract: A low-pressure mercury vapor discharge lamp has a light-transmitting discharge vessel enclosing, in a gastight manner, a discharge space provided with a filling of mercury and a rare gas. The discharge vessel includes electrode(s) for maintaining a discharge in the discharge space. The discharge vessel further includes a dispenser for controllably dispensing hydrogen into the discharge space during lamp operation. The hydrogen gas pressure during lamp operation is in the range between 10?3 Pa and 10 Pa.

Abstract: A xenon short arc lamp for a digital projector, includes an anode, a cathode having a cathode main body that is made of tungsten containing electron emissive material, and an arc tube made of silica glass, wherein a supply source of carbon is formed on a metal portion in the arc tube except a tip area of the cathode, and the carbon is supplied to the tip of the cathode through a gaseous phase during lamp lighting, so that a surface layer of the cathode is melt.

Abstract: An exemplary field emission cathode includes an electrically conductive layer and an electron-emitting member formed thereon. The electron-emitting member includes an electron-emitting material configured for emitting electrons and a getter material configured for collecting outgassed materials. An exemplary planar light source includes an anode and a cathode spaced apart from the anode. The anode includes a first electrically conductive layer and a fluorescent layer formed on an inner surface of the first electrically conductive layer. The cathode includes a second electrically conductive layer and an electron-emitting member formed on an inner surface of the second electrically conductive layer which faces toward the fluorescent layer. The electron-emitting member includes an electron-emitting material and a getter material.

Abstract: In a discharge lamp comprising a discharge vessel enclosed with space by an outer, a hydrogen getter is used comprising more than 70% by weight of Y and one or more Y alloys from Al and/or Mn. The getter effectively removes hydrogen from the outer bulb.

Abstract: An electroded high watt ceramic metal halide lamp assembly is provided which comprises a light transmissive arc-tube surrounding at least one electrode, a fill disposed in the arc-tube that includes at least one metal halide component and at least one metallic halide getter. The metallic halide getter has a Gibbs Free Energy greater than mercury halide and less than thallium halide, vapor pressure less than mercury halide, free energy of formation of oxide less than Aluminum oxide.

Abstract: The hot re-strike time of a high wattage (150 W or greater) ceramic discharge metal halide (CDM) lamp is reduced by: (a) increasing the ratio A of the diameter (D2) of the outer bulb (1) to the inner diameter (ID) of the discharge vessel (3); or (b) filling the outer bulb with an inactive gas such as nitrogen, helium, neon, argon, krypton or xenon; or by implementing both (a) and (b). The hot re-strike time can be further reduced by combining (a) and/or (b) with (c), the addition of a getter metal for iodine, such as Sc, Ce or Na, to the discharge vessel (3).

Abstract: An electron device such as a fluorescent display tube is provided, wherein a simple ring-less getter can be simply fixed and arranged with a large degree of freedom. The ring-less getter is securely fixed to the inner surface of the glass anode substrate using laser beams. The laser beam is irradiated onto the ring-less getter from outside the anode substrate. Thus, the laser beam passes through the anode substrate thus heating and melting the ring-less getter. The corresponding inner surface of the anode substrate is melted through the heating. In cooling, the portion where the ring-less getter and the anode substrate are in a molten state is solidified, so that the ring-less getter is bonded to the anode substrate. The ring-less getter is shaped arbitrarily through press-working a getter material.

Abstract: The present invention relates to a plasma display panel (PDP) that includes a first substrate, an address electrode formed on the first substrate, a dielectric layer formed on the first substrate and covering the address electrode, a barrier rib formed on the dielectric layer, a second substrate, a display electrode formed on the second substrate, a dielectric layer formed on the second substrate and covering the display electrode, and a protection layer formed on the dielectric layer of the second substrate. Discharge cells are defined by barrier ribs, and a phosphor layer is formed in the discharge cells. Barrier ribs contains inorganic adsorbent. When a PDP is operated for a long time, residual carbon or water is generated inside discharge cells, and thereby contaminates a discharge gas contained in the discharge cells. The inorganic adsorbent included in the barrier ribs absorb the residual carbon or water improving efficiency and lifespan of the PDP.

Abstract: A vacuum retention agent, which is safe, easy to handle, saves space, and absorbs residual gases inside a hermetic envelope to maintain the hermetic envelope in a high degree of vacuum is provided in place of the conventional metal getter. A display device including the vacuum retention agent is provided. A gas occlusion material containing ZrOx (where 1?x?2) is disposed in a hermetic envelope forming a self-luminous element. ZrOx is formed in pattern from a paste of zirconium dioxide, which can be generally obtained as a reagent. In a production step, the patterned self-luminous element is hermetically sealed in vacuum in an atmosphere at 120° C. to 500° C., so that the vacuum retention effect is more improved.

Abstract: An electric lamp is provided having a luminescent layer on the lamp envelope that produces visible light when impinged by ultraviolet radiation generated within the lamp. An undercoat for the electric lamp increases the luminous efficacy of the lamp. The undercoat includes a particulate non-fluorescent material derived from a sintered mixture of an aluminum oxide material with a contiguous layer of getter material which reacts with contaminants present in the lamp. The getter material is an alkaline earth metal borate material or mixtures thereof.

Abstract: A miniaturized high pressure discharge lamp containing a getter device is provided in which the getter device is positioned in such a way as to minimize or completely suppress the shadow effect with respect to the light emitted by the lamp burner.

Abstract: The disclosure has described a sub-miniature arc lamp and a method to make a sub-miniature arc lamp. An embodiment of the sub-miniature arc lamp includes a sapphire body having a first end and a second end, the first end being coupled to a first cap and the second end being coupled to a second cap to define a sealed envelope, wherein a first electrode being mounted in the first cap and a second electrode being mounted in the second cap are enclosed within the envelope. Other embodiments are described and claimed.

Abstract: A highly reliable plasma display panel which suppresses degradation of phosphor characteristic by removing impurity gases inside the plasma display panel. A front board includes scanning electrodes and maintenance electrodes. A and rear board includes data electrodes; partitions disposed in parallel and an exhaust hole. The scanning electrodes and maintenance electrodes of the front board and the data electrode of rear board cross. A non-evaporating getter such as zeolite is disposed inside plasma display panel near the exhaust hole.

Abstract: An improved getter device and method for forming a calcium-rich getter thin film in an electronic vacuum device is disclosed. The getter device includes a powder of a Ca—Ba—Al ternary alloy composed of between 53% and 56.8% by weight of aluminum, from 36% to 41.7% by weight of calcium and from 1.5% to 11% by weight of barium. The method allows the formation of a calcium-rich getter thin film with a substantially reduced amount of released hydrogen in the vacuum device.

Abstract: An image display unit having a structure in which a heat-resisting fine particle layer is formed on a metal back layer disposed on a phosphor layer, and a getter layer is deposited/formed on the heat-resisting fine particle layer by vapor-depositing. The fine particle layer is desirably formed in a specified pattern, and a filmy getter layer is formed in a pattern complementary to the former pattern. The average particle size of heat-resisting fine particles which may use SiO2, TiO2, Al2O3, Fe2O3 is 5 nm to 30 ?m. Since abnormal discharging is restricted, the destruction and deterioration of an electron emitting element and a phosphor screen are prevented to provide a high-brightness, high-grade display.

Abstract: A gas discharge tube has a phosphor layer formed and a discharge gas enclosed within an elongated tube which is to serve as the gas discharge tube. The gas discharge tube includes a light-emitting section and a cleaning section for cleaning the discharge gas. The cleaning section is connected to the light-emitting section.

Abstract: The invention concerns a device comprising at least one field effect electron source within a sealed structure, which encompasses an internal space that contains a reducing gas whose purpose is to prevent oxidation of the emissive material of the electron source, whereby the reducing gas is a gas with the formula NxHy where x=1 or 2 and y=3 or 4, and which is advantageously under a pressure of between 10?8 and 10?1 mbar. It also concerns manufacturing processes for such a device and apparatuses for implementing these processes.

Abstract: In a method for manufacturing an electron tube including a front substrate and a back substrate, a wiring and an electrode are formed on the front substrate and/or the back substrate. A component is mounted on the front substrate and/or the back substrate. A ring-less getter is mounted on at least one of the front substrate, the back substrate and the component. A vessel is assembled and sealed so that the front substrate faces the back substrate. A light is irradiated on the ring-less getter from outside of the sealed vessel, thereby activating the ring-less getter.

Abstract: A pelletized lamp fill material suitable for delivering a precise quantity of rhenium and a halogen into the light emitting chamber of a tungsten halogen lamp. The pellet is formed by pressure aggregating a mixture of a metal powder and a rhenium-halogen compound. In a pellet suitable for delivering bromine into the lamp, the metal powder may be mixed with rhenium tribromide powder to form the pellet. The release of the bromine and rhenium is desirably controlled over time as a function of temperature.

Abstract: An improved getter device and method for forming a calcium-rich getter thin film in an electronic vacuum device is disclosed. The getter device includes a powder of a Ca—Ba—Al ternary alloy composed of between 53% and 56.8% by weight of aluminum, from 36% to 41.7% by weight of calcium and from 1.5% to 11% by weight of barium. The method allows the formation of a calcium-rich getter thin film with a substantially reduced amount of released hydrogen in the vacuum device.

Abstract: An inert gas supplementing device for a fluorescent light includes a tube having a closed end and an open end adapted to communicate with a light tube of the fluorescent light. A porous stop is received in the tube in an air-tight manner. An inert gas is received in an area enclosed by the closed end of the tube and the porous stop. The inert gas is able to seep through the porous stop and flow to the fluorescent light to supplement inert gas in the fluorescent light.

Abstract: A low-pressure mercury-vapor discharge lamp is provided with a discharge vessel (10). The discharge vessel (10) encloses a discharge space (11) provided with a filling of mercury and an inert gas in a gastight manner. The discharge vessel (10) is provided with an amalgam which communicates with the discharge space (11). The discharge lamp comprises means for maintaining an electric discharge in the discharge vessel (10). The discharge lamp is characterized in that the amalgam comprises a bismuth-lead amalgam having a lead content in the range from 35≦Pb≦60 at. %, a bismuth content in the range from 40≦Bi≦65 at. %, and a mercury content in the range from 0.05≦Hg≦1 at. %. Preferably, the amalgam additionally comprises gold with a gold content in the range from 0.1≦Au≦20 at. %. Preferably, the gold content is in the range from 8≦Au≦12 at. %.

Abstract: A pelletized lamp fill material suitable for delivering a precise quantity of rhenium and a halogen into the light emitting chamber of a tungsten halogen lamp. The pellet is formed by pressure aggregating a mixture of a metal powder and a rhenium-halogen compound. In a pellet suitable for delivering bromine into the lamp, the metal powder may be mixed with rhenium tribromide powder to form the pellet. The release of the bromine and rhenium is desirably controlled over time as a function of temperature.

Abstract: A plasma display panel (PDP) is capable of directly and effectively removing impurities from a discharging space for enhancing the purity of a discharging gas. The PDP has a getter layer formed of at least a portion of a barrier rib. The getter layer is independently formed at an upper portion of each barrier rib with respect to each discharging cell or maybe formed to cross each other at every other cell with respect to the discharging cells formed in a direction in which the barrier ribs extend. The getter material particles are dispersed in an insulation material so that the getter layer has an electrical insulation characteristic.

Abstract: In a method for removing impurities of a plasma display panel capable of shortening panel aging time by removing impurities of an upper and a lower substrates under vacuum gas circumstances, the method includes fabricating an upper substrate and a lower substrate; removing impurities of the upper and lower substrates by using at least one of a plasma-cleaning process in which a discharge is performed under vacuum gas circumstances and a heating process in which heating is performed; assembling the impurities removed upper and lower substrates; exhausting gas inside the assembled upper and lower substrates and injecting a discharge gas; and aging the discharge gas injected-plasma display panel.

Abstract: A sealing vessel of this invention comprises a pair of flat plates; a frame member pinched between the pair of flat plates; a adhering member for sealing a space provided inside of the frame member by adhering the pair of flat plates at outer periphery of the frame member; and a pair of fixing blocks for coupling the pair of flat plates at outside of the frame member.

Abstract: A getter system for plasma flat panel displays is disclosed. In a plasma flat panel display having front and rear panels sealingly joined together at peripheral edges thereof to define an inner space and a plurality of walls disposed within the inner space, the walls defining a series of substantially parallel secondary channels with openings at first and second ends thereof and a main channel extending along the perimeter of the front and rear panels, the getter system includes at least one nonevaporable getter device disposed within the inner space. The at least one nonevaporable getter device may be located in a portion of the main channel that faces the openings at one of the first and second ends of the secondary channels.

Abstract: In a method for manufacturing an electron tube including a front substrate and a back substrate, a wiring and an electrode are formed on the front substrate and/or the back substrate. A component is mounted on the front substrate and/or the back substrate. A ring-less getter is mounted on at least one of the front substrate, the back substrate and the component. A vessel is assembled and sealed so that the front substrate faces the back substrate. A light is irradiated on the ring-less getter from outside of the sealed vessel, thereby activating the ring-less getter.

Abstract: A getter assembly for use in a vacuum display panel is described. The novel getter assembly can be provided including both a non-evaporative getter and an evaporative getter which are uniquely positioned juxtaposed to each other such that ions emitted by the evaporative getter upon activation substantially shield the non-evaporative getter so that gases emitted by the non-evaporative getter when activated does not affect the state of vacuum in the vacuum display panel. A preferred embodiment of the present invention novel getter assembly is shown for vacuum display panels that have sufficient thickness in the cavity so that the getter assembly can be installed inside the cavity.

Abstract: A sealing vessel of this invention comprises a pair of flat plates; a frame member pinched between the pair of flat plates; a adhering member for sealing a space provided inside of the frame member by adhering the pair of flat plates at outer periphery of the frame member; and a pair of fixing blocks for coupling the pair of flat plates at outside of the frame member.

Abstract: The invention relates to a high-pressure metal-halide lamp comprising a discharge vessel with an ionizable filling containing Hg, a halide and a rare gas, which vessel includes electrodes with a rod containing substantially W. The lamp, when in operation, maintains a W-halide cycle in the discharge vessel. According to the invention, the discharge vessel contains an oxygen dispenser.

Abstract: A getter system for plasma flat panel displays is disclosed. In a plasma flat panel display having front and rear panels sealingly joined together at peripheral edges thereof to define an inner space and a plurality of walls disposed within the inner space, the walls defining a series of substantially parallel secondary channels with openings at first and second ends thereof and a main channel extending along the perimeter of the front and rear panels, the getter system includes at least one nonevaporable getter device disposed within the inner space. The at least one nonevaporable getter device may be located in a portion of the main channel that faces the openings at one of the first and second ends of the secondary channels.

Abstract: The object of the present invention is to provide a member for EL devices permitting a production cost reduction and an EL device containing the same. A member for EL devices comprises a removing agent for removing a predetermined gas component and an adhesion member fixed to the removing agent.

Abstract: An image-forming apparatus comprises an electron source and an image-forming member disposed in an envelope. The image-forming member includes a fluorescent film and a metal back covering the fluorescent film. The metal back contains a gettering substance and the gettering substance is irradiated with electron beams emitted from the electron source.

Abstract: An apparatus for removing impure gases from a gas discharge display apparatus is disclosed, which includes a getter engaged at an outer portion of an image effective portion of the vacuum space for absorbing an impure gas, and a blocking wall for preventing the getter from being scattered toward the image effective portion in a gas discharge display apparatus in which a certain space is formed between a pair of substrates, and the substrates are sealed by a sealant, and a combined gas which is used for an electrode discharge is filled into a vacuum space formed between the substrates after an impure gas is exhausted therefrom by a ventilation/vacuum process, for thereby enhancing an image characteristic by preventing a getter material from being scattered toward an image display surface.

Abstract: It is described an oxygen dispenser for use in high pressure discharge lamps. The oxygen dispenser of the invention comprises a metallic container capable of retaining solid materials but allowing an easy passage of gas, containing silver oxide. Several possible types of dispenser are proposed. The dispenser has shown capable of avoiding the formation of black deposits coming from hydrocarbons inside the lamps.

Abstract: The high pressure discharge lamp has a discharge vessel (1) mounted in an outer envelope (4) in which an oxygen dispenser (30) is disposed. The oxygen dispenser (30) contains silver oxide and may be disposed at a location where it obtains a temperature of at least 340.degree. C. during operation of the lamp, at which temperature the oxide is decomposed and oxygen is released. The deposit of black coatings originating from hydrocarbon contaminations is thereby prevented.

Abstract: In a fluorescent lamp with amalgam, a surface of the amalgam is covered by a barrier having at least one opening through which mercury atoms can move to a discharge space of the lamp from the amalgam while the lamp is being lighted. When the lamp is switched off, the barrier restricts the return of the mercury atoms from the discharge space to the amalgam. The amalgam solidifies faster than all the mercury atoms return to the amalgam, so that a lot of mercury atoms remain in the discharge space. When the lamp is re-lighted, an initial mercury vapor pressure can be maintained. Thus, the lamp illuminates at a predetermined intensity of the luminance from the beginning of the re-lighting.

Abstract: Apparatus for providing radiation includes an envelope and a cathode arrangement disposed within the envelope. The cathode arrangement includes an element for establishing an electrical contact. A dispenser is also disposed within the envelope. The dispenser carries mercury or a mercury alloy. A support element supports the dispenser. The support element extends from the dispenser through the envelope to provide an independent electrical contact for the dispenser.

Abstract: A method for evacuating and sealing a field emission display package is provided. The method includes forming a cover plate, a backplate, and a peripheral seal therebetween. The backplate is formed as a sub-assembly which includes a seal ring and a getter material. The seal ring includes compressible protrusions for initially separating the cover plate from the seal ring to provide evacuation openings. During a sealing and evacuation process the packages are placed in the reaction chamber of a furnace. The pressure in the reaction chamber is then reduced and the temperature is increased in a staged sequence. During the evacuating and sealing process the evacuation openings formed by the compressible protrusions provide a flow path for evacuation. As the sealing and evacuation process continues, the compressible protrusions and seal ring flow and commingle to form the peripheral seal. At the same time the getter material is activated and pumps contaminants from the sealed spaced formed within the package.

Abstract: An emitter structure 12 for use in a field emission display device comprises a ballast layer 17 overlying ah electrically conductive coating 16 (cathode electrode), which is itself formed on an electrically insulating substrate 18. A gate electrode comprises a coating of an electrically conductive material 22 which is deposited on an insulating layer 20. Cone-shaped microtips 14 formed within apertures 34 through conductive layer 22 and insulating layer 20. In the present invention, insulating layer 20 comprises a dielectric material capable of desorbing at least ten atomic percent hydrogen, which may illustratively comprise hydrogen silsesquioxane (HSQ). HSQ is an abundant source of hydrogen which keeps deleterious oxides from forming on microtip emitters 14. HSQ also reduces the capacitance formed by cathode electrode 16 and gate electrode 22, since its relative dielectric constant is less than 3.5.

Abstract: A hydrogen discharge lamp has a glass lamp enclosure formed with a radiation-emitting window and receiving a body of a zirconium-cobalt alloy forming in part a hydride which constitutes a reservoir for hydrogen or deuterium and enabling controlled liberation of the hydrogen or deuterium from the reservoir. The zirconium-cobalt alloy simultaneously forms a getter for elements interfering with spectral purity of a hydrogen discharge emission from the lamp. An electrical discharge is effected in the hydrogen or deuterium liberated in the enclosure to cause the emission of light through the window.

Abstract: A high intensity discharge lamp having a fill including at least one rare earth metal iodide has an additional metal component for avoiding a substantial loss of the metal component of the fill and the attendant substantial buildup of free iodine, thereby increasing the useful life of the lamp. During lamp operation, the additional metal component combines with iodine in the vapor phase, forming a relatively stable iodide and thus reducing the total level of free iodine in the lamp. As a result, arc instability is avoided. The additional metal component also emits visible light and hence improves efficacy. Moreover, the additional metal component does not attack the arc tube wall by reducing silica. Suitable additional metal components include indium and thallium.

Abstract: The invention relates to a high-pressure discharge lamp (2) provided with a discharge vessel (3) with a ceramic wall (3a) and provided with a bimetal element (11) which rests against the discharge vessel wall in the cold state of the lamp, and which is removed from the discharge vessel wall during lamp operation. The discharge vessel is surrounded by an outer bulb (30) with intervening space (6), in which space a solid-state getter (15) is provided. According to the invention, the solid-state getter is provided on the bimetal element.

Abstract: A glow discharge lamp that includes a light transmitting envelope containing a noble gas fill material and a pair of electrodes disposed in the envelope. Lead-in wires couple to the electrodes and extend to and are hermetically sealed in the envelope. The electrodes include an anode electrode and a cathode electrode. A getter material is disposed on an auxiliary electrode. The getter material is maintained at an elevated temperature by virtue of a continuous lamp discharge to thus maintain chemical pumping in the envelope for the absorption of residual envelope gases.