Abstract: An electron beam device has a body provided with an exit window, said body is forming or is at least partly forming a vacuum chamber, the vacuum chamber comprising therein a cathode housing and at least one electron generating filament. At least one getter sheet is provided between the cathode housing and the filament. The invention is further comprising a getter sheet for use in an electron beam device and a method of manufacturing an electron beam device comprising at least one getter sheet.

Abstract: An approach to activating a getter within a sealed vacuum cavity is disclosed. The approach uses inductive coupling from an external coil to a magnetically permeable material deposited in the vacuum cavity. The getter material is formed over this magnetically permeable material, and heated specifically thereby, leaving the rest of the device cavity and microdevice relatively cool. Using this inductive coupling technique, the getter material can be activated after encapsulation, and delicate structures and low temperature wafer bonding mechanisms may be used.

Abstract: A method for establishing a vacuum in a container includes the following steps. The container having an exhaust through hole defined therein is provided. A sealing cover including a connecting material located on the periphery of the sealing cover is provided. The sealing cover is spaced from the exhaust through hole for form at least gaps between the sealing cover and the exhaust through hole. A vacuum is established in the container. The connecting material is heated. The sealing cover covers the exhaust through hole and the connecting material is cooled. After that the container is packaged.

Abstract: A compact fluorescent lamp includes a discharge tube such as a spiral discharge tube having a wall forming a discharge chamber between cathodes at first and second ends thereof. At least one auxiliary amalgam assembly is disposed in the discharge chamber at an intermediate region disposed between the first and second ends. The auxiliary amalgam assembly is secured at a location spaced from the inner wall of the discharge chamber.

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 discharge lamp comprising a holed metallic structure that serves as a support for an amalgam Bi—In—X—Hg, a method for controlling pressure of mercury within discharge lamps and a process for manufacturing of the lamps are described.

Abstract: A method for making a field emission lamp generally includes the steps of: (a) providing a cathode emitter; (b) providing a transparent glass tube having a carbon nanotube transparent conductive film and a fluorescent layer, wherein the carbon nanotube transparent conductive film and the fluorescent layer are both disposed on an inner surface of the transparent glass tube; (c) providing a first glass feedthrough, a second glass feedthrough, and a nickel pipe, wherein the first glass feedthrough has an anode down-lead pad and an anode down-lead pole connected to the anode down-lead pad, and the second glass feedthrough has a cathode down-lead pole; (d) securing the nickel pipe to one end of the cathode emitter and securing the other end of the cathode emitter to one end of the cathode down-lead pole of the second glass feedthrough; and (e) melting and assembling the first and second glass feedthroughs to ends of the transparent glass tube respectively.

Abstract: A cold cathode lighting device is a fluorescent tube replacement and has a transparent tube, a cold cathode formed as a wire or rod with an electron emissive surface and passing through a center of the transparent tube. An extraction grid is formed around and spaced apart from the cold cathode and has an external diameter smaller than an inner diameter of the transparent tube. A phosphor material and a conductive material form an anode on an inner surface of the transparent tube. A vacuum is maintained within the transparent tube and a power conversion circuit in an end unit converts electrical power into a first potential applied to the cold cathode, a second potential applied to the extraction grid and a third potential applied to the anode. Electrons emitted from the cold cathode accelerate towards the anode and light is emitted from the fluorescent tube replacement light emitting device.

Abstract: A technique for sealing an EL panel of a light emitting device is provided. By preparing a absorption metal as a film on EL elements on the inside of an enclosed space, it becomes easy to made the interior of the space possess a absorption function, and further, an enclosure structure can be fabricated without the penetration of oxygen and moisture into the space because the absorption film is formed in succession after formation of the EL elements, according to the present invention.

Abstract: In an image display device having in an airtight container an electron source and an image display member that receives electrons from the electron source, an evaporating getter and a non-evaporating getter are stacked in the airtight container. This makes it possible to maintain the vacuum level in the airtight container. The image display device thus obtains a prolonged life and a stable display operation.

Abstract: A structure is prepared by preparing a getter assembly by furnishing a single-piece getter base including a getter substrate and a getter-shield precursor, affixing a getter material to the getter substrate, and processing the getter-shield precursor to form a getter shield. The processing is preferably performed by folding at least a portion of the getter-shield precursor to overlie the getter material affixed to the getter substrate. There may be provided a vacuum housing and a device. The getter assembly and the device are inserted into the vacuum housing, and the vacuum housing is evacuated and sealed.

Abstract: A pressure sensor includes a pressure sensor house assembly which contains a reference cavity, in which a vacuum exists, and a getter capable of being thermally activated. The getter is activated by directly contacting the getter with an exterior heated body, conducting heat from the exterior heated body, maintaining the exterior heated body in direct contact with the getter for a predetermined period of time, and removing the exterior heated body.

Abstract: A field emission display (FED) and a manufacturing method thereof are provided. The FED includes a getter portion isolated outwardly from an active display region. This getter portion includes a non-evaporable getter layer for absorbing gas and an electron emission source for activating the getter layer. Accordingly, by activating the non-evaporable getter, the gas generated in the display is easily absorbed, and the FED is maintained in a high vacuum state.

Abstract: A method of manufacturing a getter structure, including forming a support structure having a support perimeter, where the support structure is disposed over a substrate. In addition, the method includes forming a non-evaporable getter layer having an exposed surface area, where the non-evaporable getter layer is disposed over the support structure, and includes forming a vacuum gap between the substrate and the non-evaporable getter layer. The non-evaporable getter layer extends beyond the support perimeter of the support structure increasing the exposed surface area.

Abstract: A hollow cathode having at least a portion of the inner, outer or both surfaces coated with a layer of a getter material is described. Some methods for the production of the hollow cathode of the invention are also described, which include cathodic and electrophoretic deposition of the getter layer onto the hollow cathode.

Abstract: A method of manufacturing a getter structure, including forming a support structure having a support perimeter, where the support structure is disposed over a substrate. In addition, the method includes forming a non-evaporable getter layer having an exposed surface area, where the non-evaporable getter layer is disposed over the support structure, and includes forming a vacuum gap between the substrate and the non-evaporable getter layer. The non-evaporable getter layer extends beyond the support perimeter of the support structure increasing the exposed surface area.

Abstract: A method of manufacturing a pressure sensor house assembly which contains a reference cavity, in which a vacuum exists, and a getter capable of being thermally activated. The getter is activated by directly contacting the getter with an exterior heated body, conducting heat from the exterior heated body, maintaining the exterior heated body in direct contact with the getter for a predetermined period of time, and removing the exterior heated body.

Abstract: A compact pressure sensor of capacitive type includes a pressure sensor housing assembly, which contains a reference cavity in which a high vacuum exists and which has a minimum volume. The pressure sensor housing comprises an upper base plate, a thinner shielding plate and a movable diaphragm, and a small cavity formed between the shielding plate and movable diaphragm. A narrow channel extends from the cavity to the outside and they form a reference cavity. At the mouth of the channel a recess is provided containing an elastically mounted getter body which is capable of being thermally activated, so that a portion of the surface of the getter body is a wall surface in the reference cavity. A closing lid having a low projecting profile is placed in a gastight way in the recess and engages the getter body. When simultaneously closing the reference cavity and activating the getter body, the lid is attached to a heating probe at a distance from the sensor housing and the getter body is placed in the recess.

Abstract: A mercury dispensing support strip capable of dispensing mercury and sorbing reactive gases. In one embodiment, the support strip of the invention includes at least one track of mercury releasing material deposited on one face of the support strip. At least one track of getter material is also deposited on the same face of the support strip. The tracks of mercury releasing and getter materials are deposited on the support strip such that the mechanical strains exerted by the materials on points of the support strip that are substantially symmetric with respect to a central axis of said first surface of said mercury dispensing support strip are substantially equivalent.

Abstract: A getter flashing method for a cathode ray tube includes the steps of loading a receptacle of the getter with an active metal, positioning the getter in a funnel such that the active metal is diffused toward an inner surface of the funnel in the vicinity of the getter, and heating and vaporizing the active metal. The getter has a receptacle for receiving the active metal and a support for supporting the receptacle. The receptacle and the support are connected to each other such that an opening portion of the receptacle is directed toward the neighboring funnel portion.

Abstract: A getter support capable of permitting a getter to be compactly arranged in a vacuum envelope while keeping a space for the getter minimized. The getter support includes holders for vertically interposedly holding a getter, first support legs formed integrally with the holders so as to downwardly extend therefrom, and second support legs formed integrally with the holders so as to upwardly extend therefrom. The getter support is fixedly arranged in a getter chamber while being pressed by elasticity of the second support legs. The second support legs are varied in deflection depending on contact thereof with a second substrate of an envelope. This permits a distance between an upper surface of the getter and the second substrate of the envelope to be constantly kept at a desired value.

Abstract: A dispenser cathode and method for making the same are disclosed wherein a mixture of tungsten and aluminate powders are pressed by a die into a foil sleeve. A heater assembly can be attached to the back of the pellet for activating the emissive material. An impregnated cathode therefore can be manufactured in a few hours by relatively inexpensive processing techniques.

Abstract: Apparatus is disclosed for retaining an electrically fired getter inside a ring laser gyroscope. A groove is formed in a plate, which is hermetically sealed to a hole in the ring laser gyroscope block. The cylindrically shaped getter is placed longitudinally in the groove such that the getter contacts the groove along only two lines. A mousetrap shaped spring preloads the getter against the groove so as to prevent acceleration forces and vibrations from causing pieces of the getter, heater coil or wire to break loose.

Abstract: A vacuum insulated fluid transfer pipeline section and its method of manufacture are described. To maintain the vacuum, use is made of a non-evaporable getter material capable of the permanent sorption of active gases and the reversible sorption of hydrogen.

Abstract: A method of producing a magnetron is disclosed which has a getter on at least one of the opposed surfaces of two end shields of a cathode. The getter is formed in such a manner that after the cathode is assembled, a paste containing a getter metal powder is coated on at least one of the opposed surfaces of the end shields and dried before the filament of the cathode is carburized and then while the magnetron is being exhausted, the dried paste is sintered to produce a sintered substance of the getter metal powder.

Abstract: A lead-tin-bismuth alloy is disposed within a solenoidal electric field lamp to control the mercury vapor pressure. In accordance with one embodiment of the present invention, the alloy is placed within the tip-off region of the lamp envelope. The alloy is fixed within the tip-off region by a means of wetting the alloy to a metal wire structure such as a helix or a cylindrical screen. Alternatively, the alloy may be placed on an interior surface of the envelope by first wetting the glass with a layer of indium. Additionally, methods for wetting the lead-tin-bismuth alloy to the metal wire include firing the alloy in contact with the wire in a hydrogen atmosphere at a sufficiently high temperature to wet the alloy to the wire. The present invention permits the control of mercury vapor pressure in solenoidal electric field discharge lamps.

Abstract: In a method of manufacturing a picture display tube a gettering device is used which includes a first metal holder (1, 20) and a second metal holder (3, 28). A source (2, 21) of evaporable gettering metal is accommodated in the first metal holder (1, 20) from which the gettering metal can be released by inductive heating. A gas source (6) including a material having a comparatively high decomposition temperature, which releases gas upon heating, is accommodated in the second metal holder. The second metal holder is connected to an outer surface (7, 30) of the first metal holder in such manner that the second metal holder forms an electric shunt for part of the induction current generated in the first metal holder by the inductive heating.