Abstract: A gas-adsorbing device (1) includes: a container (2); a gas adsorbent (3) configured to be disposed inside the container (2) so as to adsorb a gas; and an aeration member (4) having a predetermined aeration rate. The gas adsorbent (3) is disposed in a space formed by the container (2) and the aeration member (4). Further, the space is configured to be completely enclosed by the container (2) and the aeration member (4). In this configuration, it is possible to attain a gas-adsorbing device in which it is possible to reduce consumption of the gas adsorbent due to contact with air, even when the gas-adsorbing device is handled in air.

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: To stabilize the illumination fluctuation rate of a short arc type discharge lamp of the type having a pair of electrodes disposed inside an arc tube in a manner of facing each other and a hydrogen getter, by absorbing hydrogen gas in an arc tube without causing a decline in the performance of the short arc type discharge lamp arising out of a hydrogen getter, the hydrogen getter is formed of a hollow container made of a material that allows the transmission of hydrogen with a getter material sealed tightly inside the hollow container, and a holder for the hydrogen getter is held on the electrode with the hydrogen getter fixed in the holder.

Abstract: A flat panel display device having an improved encapsulation structure includes a glass substrate; a light emission unit formed on the glass substrate; an encapsulation substrate formed on the glass substrate; and frit sealing a space between the glass substrate and the cover layer. The encapsulation unit includes a metal layer formed of a metallic material and a cover layer stacked on the metal layer and formed of a glass material in order to cover the light emission unit. In the above encapsulation structure, pressure resistance and vapor permeability resistance of a flat panel device may be improved and thus deterioration of a light emission unit due to permeation of moisture may be prevented. Also, heat radiation capacity may be improved and thus deterioration in performance of a product may be prevented.

Abstract: To provide a flickerless discharge lamp which can remove hydrogen by a simple and safe means even if the lamp is a large discharge lamp with high pressure when lit, the discharge lamp has a pair of electrodes and a hydrogen getter (4) in the interior of an arc tube, the hydrogen getter (4) being formed of a container (41) made of metal which is hydrogen permeable and a hydrogen absorbent body (42) that is composed of a metal which can absorb hydrogen that is enclosed inside of the container (41) and is fixed to an inside wall of the container (41).

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: Disclosed is a starter member to which a mercury-absorbing layer is applied and which can be used in low-pressure mercury discharge lamps. A starter member for a low-pressure amalgam discharge lamp comprises a mercury-absorbing layer on a base. A coating layer which is provided on the mercury-absorbing layer has a getter effect and prevents the material of the mercury-absorbing layer from coming off.

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 light emission device includes a vacuum chamber including a first substrate, a second substrate spaced from and facing the first substrate, and a sealing member between the first substrate and the second substrate. An electron emission unit is on the first substrate, the electron emission unit including a plurality of electron emission elements. A light emission unit is on the second substrate, the light emission unit including a phosphor layer. A barrier is spaced from the sealing member between the first substrate and the second substrate. At least one stud pin is fixed on at least one of the sealing member and the barrier and a getter unit is attached to the at least one stud pin, the getter unit fixed between the sealing member and the barrier.

Abstract: The present invention provides a getter material configured by a pressed powder mixture comprising Ba—Al alloy powder and Ni powder, wherein when the pressed powder mixture is heated in a vacuum atmosphere or an inert gas atmosphere, a temperature at which an exothermic reaction starts is ranging from 750° C. to 900° C. According to this getter material, since the temperature at which the pressed powder mixture starts the exothermic reaction is set within a range from 750° C. to 900° C., there can be provided a getter material and an evaporation type getter device capable of suitably controlling an evaporation amount of getter components under a stable condition, and is excellent in responsiveness because a time ranging from a starting time of heating the getter material to a starting time of evaporation of the getter components can be shortened.

Abstract: In a vacuum degassing box of a field emission display, the field emission display includes a faceplate, and the faceplate has a chamber and a through opening which is defined on the faceplate and communicated with the chamber. The vacuum degassing box includes a housing and a getter. The through opening of the faceplate is covered by the housing. A contained chamber is formed between the housing and the faceplate, and a rough surface is formed inside the contained chamber. The getter is distributed on the rough surface of the contained chamber. Therefore, a vacuum condition of the vacuum degassing box is kept for a long time to increase use life of the field emission display.

Abstract: To provide a flickerless discharge lamp which can remove hydrogen by a simple and safe means even if the lamp is a large discharge lamp with high pressure when lit, the discharge lamp has a pair of electrodes and a hydrogen getter (4) in the interior of an arc tube, the hydrogen getter (4) being formed of a container (41) made of metal which is hydrogen permeable and a hydrogen absorbent body (42) that is composed of a metal which can absorb hydrogen that is enclosed inside of the container (41) and is fixed to an inside wall of the container (41).

Abstract: The frame that holds a discharge vessel in an outer bulb is manufactured from Nb or Zr, said frame acting as getter in an evacuated outer bulb.

Abstract: A getter sheet is secured within a package element in a condition of elastic deformation by positioning the getter sheet between a base and a cap of a package with at least one portion of the getter sheet in contact with the package. When positioned within the package, the condition of elastic deformation may force the getter sheet into a vaulted form. Therefore, the getter sheet may be secured within the package without utilizing any additional parts or fasteners. The getter sheet comprises particulates of a getter applied to a sheet of material. The getter sheet may comprise a rectangular shape, an elliptical shape, or an octagonal shape. The getter sheet may be secured within the package when at least one portion of the getter sheet contacts one or more of a side surface of the cap, a bottom surface of the cap, and a top surface of the base.

Abstract: There is provided a compact charged particle beam apparatus with a non-evaporable getter pump which maintains high vacuum even during emission of an electron beam without generating foreign particles. The apparatus comprises: a charged particle source; a charged particle optics which focuses a charged particle beam emitted from the charged particle source on a sample and performs scanning; and means of vacuum pumping which evacuates the charged particle optics. The means of vacuum pumping has a differential pumping structure with two or more vacuum chambers connected through an opening in series. A pump made of non-evaporable getter alloy is placed in an upstream vacuum chamber with a high degree of vacuum, and a gas absorbing surface of the non-evaporable getter alloy is fixed without contact with another part.

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: On a back surface of a back substrate on which electron emission sources are formed, a getter room is formed by the back substrate and a cup-shaped room member. In the inside of the getter room, a getter assembly which includes a getter housing which holds a getter and a getter support which supports the getter housing is arranged. End portions of the getter support are fixed to and arranged between the back substrate and the room member by a sealing material. The present invention provides an image display device which prevents the occurrence of cracks in the getter room thus suppressing the degradation of a display characteristic of the image display device.

Abstract: Disclosed is a backlight unit that is suitable for reducing humming noise that occurs when power is applied for dimming control. The present invention provides a backlight unit including a plurality of lamps arranged over a bottom cover, first and second lower structures respectively mounted at opposite ends of the lamps, the first and second lower structures having a groove between adjacent lamps, sound absorbing pads disposed within the grooves, common electrodes mounted on the first and second lower structures having the sound absorbing pads thereon respectively, and first and second upper structures respectively coupled to the first and second lower structures. The first and second upper structures have a plurality of ribs that press down on the common electrodes and sound absorbing pads.

Abstract: A display device includes a front substrate having an anode and fluorescent materials on an inner surface, and a back substrate having a plurality of cathode lines and include electron sources, and a plurality of control electrodes allow electrons from the electron sources to emit to the front substrate side, on an inner surface thereof. The back substrate is arranged to face the front substrate in an opposed manner with a given gap therebetween, and an outer frame for holding the given gap is interposed between the front substrate and the back substrate and extends around the display region. An inner frame is arranged outside the display region and inside the outer frame, and a getter is provided between the outer frame and the inner frame.

Abstract: A light tube for a cold cathode fluorescent lamp includes a light tube body, anode and cathode disposed in the light tube body and an activated gas absorber. The light tube body contains inert gas, mercury substance and a layer of phosphor coating on its inner surface. The cathode is adapted for electrically connecting to the negative terminal for emitting electrons to excite the mercury substance for conducting the electrons to the anode as an electric circuit, wherein the excited mercury substance emits ultra violet rays causing the phosphor coating to generate visible light. The activated gas absorber is gas absorber made of zirconium-aluminum alloy which can be activated at an activation temperature substantially lower than 900 degrees Celsius, preferably 390 degrees Celsius, to provide stronger oxygenic gas absorption ability while reducing the manufacturing steps and cost.

Abstract: Inside an outer frame, which is interposed at between opposedly facing peripheries between a back substrate and a front substrate, there is an inner frame which fixes both end portions of plate member control electrodes, which are constituted of a large number of parallel strip-like electrode elements. By integrally forming the plate member control electrodes such that the plate member control electrodes are fixed to both end portions of a display region, a single part is formed. Further, a getter chamber is formed between the outer frame and the inner frame and getters are accommodated in the getter chamber. Due to such a constitution, the operability and yield rate of products at the time of assembling can be enhanced. Further, it is possible to hold a desired degree of vacuum in the space between the substrates for a long time.

Abstract: An amalgam assembly for a fluorescent lamp includes an exhaust tubulation closed at a free end thereof, a glass ball disposed in the tubulation, and a mercury amalgam body disposed in the tubulation between the glass ball and the tubulation closed end. The tubulation is provided with a pinched portion comprising a plurality of inwardly extending dimples separated from each other and adapted to engage the glass ball to retain the glass ball on a central axis of the tubulation. The glass ball rests on the dimples concentrically and gaps between the dimples allow gas to pass therethrough between the glass ball and an inside surface of the tubulation.

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: A microdevice assembly (20) that includes a device microstructure (22), a housing (30), and a fine grain getter layer (40). The housing (30) has a base portion (32) and a lid (34). The device microstructure (22) is attached to the base portion (32) and the lid (34) is hermetically sealed to the base portion (32). The housing (30) defines a cavity (38) surrounding the device microstructure (22). The fine grain getter layer (40) is on an interior side (42) of the lid (34) for maintaining a vacuum in the cavity (38) surrounding the device microstructure (22). The lid (34) may be made of metal or have at least a metallic surface in the region where the fine grain getter layer (40) is applied. The fine grain getter layer (40) has a sub-micron grain size. There is also a method for making the microdevice assembly (20).

Abstract: A non-evaporating getter maintains the adsorbability for the residual gases, and in addition, secures sufficient characteristics particularly even when it experiences a high-temperature and low-vacuum condition in the fabrication process of a display unit. The non-evaporating getter includes a substrate having no function as a getter and a polycrystalline film arranged on the substrate which film contains Ti as the main component and has a host of voids in the interior thereof. A non-evaporating getter is made by forming a polycrystalline film containing Ti as the main component on the concavo-convex surface of the substrate which substrate has concavities and convexities on a surface thereof and has no function as a getter.

Abstract: A composition of a getter and a field emission display (FED) using the same are disclosed which are capable of improving a degree of vacuum and a gas rejection capability by performing an activation process by using a getter that can lower an activation temperature. The composition of the getter comprises chrome and the field emission display contains the getter having chrome as a main component.

Abstract: A composition of a getter and a field emission display (FED) using the same are disclosed which are capable of improving a degree of vacuum and a gas rejection capability by performing an activation process by using a getter that can lower an activation temperature. The composition of the getter comprises chrome and the field emission display contains the getter having chrome as a main component.

Abstract: A getter (74) is situated in an auxiliary compartment (72) of a hollow structure (40-46 and 76) having a larger main compartment (70). The auxiliary compartment is situated outside the main compartment and is connected to the main compartment so that the two compartments reach largely the same steady-state compartment pressure. The getter is activated by directing light energy locally through part of the hollow structure and onto the getter. The light energy is typically furnished by a laser beam (60). The getter, typically of the non-evaporable type, is usually inserted as a single piece of gettering material into the auxiliary compartment. The getter normally can be activated/re-activated multiple times in this manner, typically during sealing of different parts of the structure together.

Abstract: Display device, in particular a PALC device, having a plasma space provided with a capsule (46) comprising getter material for supplying guest material to the plasma, e.g. H2, HD, D2. The capsule remains closed until the critical high temperature processing has been finished.

Abstract: A frittable evaporable getter device includes a metallic container having a disk-shaped bottom wall and a side wall extending upwardly from the bottom wall. A powder compact having an upper surface in which at least two radial recesses are formed is disposed in the container. The powder compact is formed of a mixture of BaAl.sub.4 powder and nickel powder. A discontinuous metallic member is embedded in the powder compact such that the member does not protrude from the upper surface of the powder compact and the member is spaced apart from the bottom wall of the container. An evaporable getter device having reduced activation time includes a powder compact formed of a mixture of BaAl.sub.4 powder, nickel powder, and between about 0.3% and about 5% by weight based on the total weight of the mixture of a third component selected from aluminum, iron, titanium, and alloys thereof.

Abstract: An anode of a flat panel display has a glass substrate, a patterned black grille on the substrate, a conductive layer covering the grille and the substrate, a phosphor layer covering, and one or more additional transparent layers that reduce the reflectance of the flat panel display from 14% down to 1%-4%. These additional layers are placed between the black matrix grille and the substrate, and between the conductive layer and phosphor layer. The two additional layers are selected and designed to reduce the reflectance that occurs at these respective interfaces.

Abstract: A flat-panel device, typically a flat-panel display, contains a main compartment (46) formed with a first plate structure (40), a second plate structure (42), and an outer wall (44) that extends between the plate structures. A getter (94) is situated in an auxiliary compartment (92) formed with an auxiliary wall (96) that contacts the first plate structure outside the main compartment, extends away from the first plate structure and main compartment, bends back towards the second plate structure, and contacts the second plate structure outside the main compartment. Control circuitry (84/86) is typically situated over the first plate structure outside the compartments. The auxiliary compartment does not extend significantly further away from the first plate structure than the control circuitry.

Abstract: An integral and internal matrix getter structure for capturing residual gas in a vacuum sealed container is disclosed. The vacuum sealed container may be a flat panel display having a small vacuum gap between two closely spaced panels. The getter structure may be provided on the inside of the walls of the display. In particular, the getter structure may be provided between phosphor groups and/or between field emitter groups on the display panels. The getter structure may be sealed to avoid exposure of the getter material until after a vacuum condition is reached within the display. Activation of the getter structure may be provided by selectively heating the getter structure with a laser or with resistive heating elements underlying the getter structure. Methods of making the getter structure are also disclosed.

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: The disclosed multi-pixel flat panel displays (e.g., flat panel field emission displays (FPFED) or liquid crystal displays (LCD)) includes spaced apart first and second electrodes, with a patterned solid material layer in contact with one of the electrodes, exemplarily between the two electrodes. The patterned layer (referred to as the "web") includes a multiplicity of apertures, with at least one (preferably three or more) aperture associated with a given pixel. In the aperture is disposed a quantity of a second material, exemplarily, a phosphor in the case of an FPFED, or a color filter material in the case of a LCD. The web can facilitate second material deposition by means of, e.g., screen printing, typically making possible formation of smaller phosphor or filter dots than was possible by prior art device. The web also can facilitate provision of spacer structure between the two electrodes, and can include getter or hygroscopic material.

Abstract: A getter fixing device for a cathode ray tube includes one or more folded strips. These strips are welded to a getter cover or united in one body with the getter cover or a support member. The device also includes two inclined wing portions that direct diffusion of the getter material. Such a getter device allows attachment of various getter forms, and parts needed for this device may be standardized.

Abstract: The invention relates to a high-pressure sodium discharge lamp provided with a discharge vessel (3) with a ceramic wall (3a) of aluminum oxide in which at least Na as an ionizable filling component, a rare gas and Al (20) are present. According to the invention, the Al is provided near the wall of the discharge vessel in a location which reaches a temperature of at least 1000 K in the operational condition of the lamp.

Abstract: A capsule containing a precise amount of a substance such as mercury is mounted in an electrode mount assembly on a temperature sensitive member. At elevated temperatures the capsule is moved away from lamp components by the temperature sensitive member to preclude inadvertent release of the mercury into the sealed lamp. After the lamp has cooled, the temperature sensitive member urges the capsule into biased engagement with a cutting wire so that upon supply of current thereto the capsule is melted and opened to release the mercury.

Abstract: The process of the present invention provides for the sorption of residual gas in a vessel by means of a non-activated, non-evaporated barium getter. It comprises the steps of reducing an alloy of Ba.sub.z +(Ba.sub.1-x A.sub.x).sub.n B.sub.m to a particle size of less than 5 mm, under vacuum or an inert gas atmosphere and then placing the particulate alloy in the vessel. Upon exposing the particulate alloy to the residual gas in the vessel at room temperature the gas is sorbed. The metal A is a metal selected from the group consisting of elements of Group IIa of the periodic table of elements, excluding barium. The metal B is selected from the group consisting of elements of Group Ib, IIb, IIIa, IVa and Va of the periodic table of elements. Furthermore n=1, 2, 3 or 4 and m=1, 2 or 5, whereas o.ltoreq..times..ltoreq.0.5 and z is a value from zero to such a value that the total barium in the alloy is less than 95% by weight of the alloy.

Abstract: The process of the present invention provides for the sorption of unwanted gas in a vessel by means of a non-evaporated barium getter. It comprises the steps of reducing an alloy of Ba.sub.1-x A.sub.x Li.sub.4-y B.sub.y to a particle size of less than 5 mm, under vacuum or an inert gas atmosphere and then placing the reduced alloy in the vessel. Upon exposing the reduced alloy to the residual gas in the vessel at a temperature of less than 150.degree. C., the gas is sorbed. The metal A is a metal chosen from the group consisting of elements of Group IIa of the periodic table of elements, excluding barium. The metal B is chosen from the group consisting of elements of Group IIIa of the periodic table of elements. Preferably 0.ltoreq.x.ltoreq.0.5 and 0.ltoreq.y.ltoreq.3.5.

Abstract: An evaporable getter device, for mounting in an electron tube, comprises a holder whose bottom wall is provided with means for preventing detachment of getter metal vapor releasing material which has been pressed into the holder and which has a multiplicity of means which retard the transmission of heat in a circumferential direction through the getter metal vapor releasing material. When the getter device is heated by currents induced from a radio-frequency field generated by a coil positioned outside the electron tube large amounts of getter metal are released in a short time without detachment of material from the holder. The heat retarding means are preferably four equally spaced radial grooved formed in the upper surface of the getter metal vapor releasing material.

Abstract: An evaporable getter device for mounting in an electron tube is provided which comprises a pan-shaped container having a vertical side wall formed around the perimeter of a disc shaped bottom wall and a pulverized getter metal vapor releasing material pressed into the space formed by said side wall and said bottom wall.There is also provided a first heat transfer retarding means which delays the transfer of heat in a circumferential direction through the getter metal vapor releasing material. There is also provided a second heat transfer retarding means which delays the transfer of heat in a radial direction through the getter vapor releasing material. When the getter device is heated by currents induced from a radio frequency field created by a coil positioned outside the tube, opposite the getter device, high yields of getter metal are released in a short time without detachment of the getter material residues from the container.

Abstract: A lamp including a fill gas with a mercury component may be safely dosed with mercury by including at least one mercury capsule in the envelope for subsequent opening by radiant means to dose the closed envelope with mercury. A spring coil or similar means may be used for supporting the capsule in a tubular envelope at a position independent of and separated from the press-seal area. The support means generally comprises a compression positioning member, preferably in the form of a coil spring, having the capsule or capsules secured thereto and further having an uncompressed state prior to insertion in the envelope and a compressed state upon insertion in the envelope for retention of the compression positioning member and as a result, the mercury capsule, in a substantially fixed position in the envelope. Once the capsule is in position, the lamp may be safely closed, and the capsule opened by inductive, or other radiant heating.

Abstract: An encapsulated high brightness source for use in or with an electron beam system such as an electron beam microscope. The source preferably includes a field emitter. The source includes source enclosure means which defines an ultra high vacuum enclosure for the field emitter. A lens which serves as part of the ultra high vacuum enclosure for the source defines a differential pressure aperture. Other lens elements draw electrons from the field emitter and form a focus on axis in the vicinity of the differential pressure aperture, which serves as an effective point source for the associated electron beam system. The source may be permanently built-in or modular; if modular, it may be assembled, tested, and stored in an ultra high vacuum operative condition for OEM assembly or as a replacement part.

Abstract: A hydrogen getter for use within the arc tube assembly of a gas discharge lamp e.g. a high pressure sodium discharge lamp, comprises a layer (11) of a getter material (eg Ti) sandwiched by diffusion bonding between layers (12, 13) of a hydrogen permeable material (eg Nb) there being an exposed region of getter material. Hydrogen getters in the form of disc-like washers are formed from the sandwiched layers by a stamping process.

Abstract: In the present invention, a getter assembly is formed by a housing containing a cavity in which the passageway into the cavity is covered by an end cover which is permeable to selected gases. Internal to the cavity formed by the housing is an activated getter material for eliminating selected gas contaminants within the cavity.

Abstract: A cathode structure for a magnetron representative of a self-oscillation type microwave electron tube comprises a pair of opposite end shields for supporting both ends of a filament helically wound in an axial direction, and a getter fixed on at least an upper end shield positioned on the side of a terminal from which a microwave oscillation output is produced. The upper end shield is concaved with respect to a lower end shield, and the getter provided on the upper end shield is also concaved so as to be closely fitted over substantially the entirety of an outer surface of the upper end shield. Preferably, the getter provided on the upper end shield has an upright annular wall of a central burring hole. Thus, the improved cathode structure is immune to deformation and suitable for cleaning and welding, thereby ensuring improved lifetime stability and high fabrication efficiency.

Abstract: A television camera tube including a getter (23,24) is assembled so as to be thermally independent of an electron gun (4) and may be provided with any desired electric potential. The getter (23,24) is positioned in a tubular envelope portion (1) of the tube by means of a supporting member (12,21,25) which rests on a supporting edge (11) in the envelope (1). The supporting edge is formed by a stepped reduction of the internal transverse dimension of the envelope portion (1). The supporting member (12) comprises an inner ring (16) which is connected to an outer ring (15) in a limited number of places (19). In the circumferential direction the inner ring (16) and the outer ring (15) include an interruption (17) to counteract excessive heating of the rings during inductive heating of the getter (23,24). Metal strips (21) which support the getter (23,24) are connected to the inner ring (16). The supporting structure is well suited for use in comparatively small cathode ray tubes.

Abstract: Getter device containing a barium-aluminum alloy powder and a boron-containing, and chromium-containing nickel base alloy powder.

Abstract: This invention relates to a glow discharge starter having a sealed envelope containing an ionizable medium, a bimetallic electrode and a counter electrode located within the envelope. A getter holder is secured to one of the electrodes adjacent the internal surface of the envelope. An arc discharge lamp employing the improved glow discharge starter as part of a starting circuit is described.