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| Number | Title | Issue Date |
| 7982377 | High-pressure gas discharge lamp A high-pressure gas discharge lamp includes at least a lamp tube and two electrodes. The two electrodes are each attached to the lamp tube by a sealed area and, outside the sealed area, each electrode has a perpendicular minimum distance, with respect to its longitu... | 07/19/2011 |
| 7317284 | Spacer bead geometry for controlled sealing stability A shaped bead structure provides a bottom sealing periphery adjacent a non-bonding portion which may include an upper portion which may provide upper envelope stability and may but will preferably not bond to the glass envelope. The provision of a section of the gla... | 01/08/2008 |
| 6777878 | Dielectric barrier discharge lamp having an ignition means A dielectric barrier discharge lamp has elongated electrodes (3) that are arranged on the inside of the wall of the discharge vessel (2) and are covered by a dielectric layer (4). Arranged on the outside of the wall of the discharge vessel (2... | 08/17/2004 |
| 6727651 | Traveling wave tube Insulating ceramic parts for insulating collector electrodes in a traveling wave tube and a vacuum envelope are formed in a cylindrical shape in which the central axis of the inner diameter diverges from the central axis of the outer diameter and are constructed suc... | 04/27/2004 |
| 6707251 | Flash discharge lamp A flash discharge lamp includes a pair of electrodes i.e. an anode and a cathode, oppositely disposed in at both ends of the glass bulb. An electro-conductive member is provided on the outer surface of the glass tube. A triggering electrode is mounted on the cathode... | 03/16/2004 |
| 6653801 | Mercury-free metal-halide lamp A pair of electrodes (3) are provided in an arc tube (1) I/S is 20 (A/mm2) or less on a condition that an area of a cross section at a tip of the electrodes (3) is S (mm2) and an operating current between the electrodes (3) is I (A).... | 11/25/2003 |
| 6573640 | Photodetecting device and image sensing apparatus using the same A photodetecting device is characterized by comprising a photodetecting section having a photoelectric surface for emitting photoelectrons upon incidence of light, a semiconductor detection element having an electron incident surface on which the photoele... | 06/03/2003 |
| 6512328 | Laser cathode ray tube having electric discharge inhibitor inside the bulb A laser CRT includes a vacuum bulb provided with a metal flange, and a laser screen secured in the metal flange and having a laser target mounted on the side of the vacuum bulb. A high-voltage input passes through the wall of the vacuum bulb at a distance... | 01/28/2003 |
| 6281629 | Short arc lamp having heat transferring plate and specific connector structure between cathode and electrode support A short arc lamp with a reflection surface integrated in one piece, and in which, even when the lamp is being operated over a long time, neither a reduction of the reflection factor nor breakage of the lamp main part occurs is achieved. In particular, in ... | 08/28/2001 |
| 6236147 | Arc lamp An arc lamp with a housing including a base, an inert gas in the housing, a pair of spaced electrodes in the housing for establishing an arc in the gas to generate a radiation output, a window area on the housing for transmitting forward radiation generat... | 05/22/2001 |
| 5721465 | Xenon arc lamp with improved reflector cooling A xenon arc lamp comprises a cylindrical ceramic body in which an elliptical reflector is molded to have a diameter of about 1.4 inches. The ends each have metal electrical contact rings, one for the anode and one for the cathode. The body has two differe... | 02/24/1998 |
| 5633556 | Discharge lamp of the water cooled type A discharge lamp provided with an anode of the water cooled type achieves advantageous cooling directly connected a tungsten tip piece to a tip of a body element of the anode that is formed of copper has a water cooling arrangement therein, by having a ma... | 05/27/1997 |
| 5502346 | Apparatus to generate corona discharges An apparatus to generate corona discharges that consists of (a) a ground electrode tube, (b) a single-opening insulating tube inserted into the ground electrode tube, (c) a high-voltage electrode tube inserted into the insulating tube, and (d) two insulat... | 03/26/1996 |
| 5399931 | Two kilowatt short arc lamp having a metal heat-transfer pad An embodiment of the present invention is a short arc lamp comprising an alumina ceramic cylindrically shaped body with a concave opening at one end that is silvered to form a reflector, a cathode suspended within the concave opening in opposition to an a... | 03/21/1995 |
| 5204578 | Heat sink means for metal halide lamp Heat sink means are provided for a metal halide lamp to enable more light output during lamp start-up. A xenon-metal halide lamp employing the heat sink means is disclosed along an with automotive headlamp having this lamp for its light source.... | 04/20/1993 |
| 5177394 | Conduction cooling type multistage collector Disclosed is a conduction cooling type multistage collector for use in an electron beam tube in which a plurality of collector electrodes are electrically insulated with insulators, wherein one collector electrode is brazed on the inner surface of one rin... | 01/05/1993 |
| 5095241 | Cooling structure for cathode in electron beam generator In the electron beam generator cooling is provided by the electrical conductors of the incandescent cathode and control electrode which are configured as heat bridges and connected to cooling plates in the interior of the high-voltage insulator which in t... | 03/10/1992 |
| 5036243 | Glass plate illumination device sign with integral electrodes of particular thermal resistance An illumination device utilizes an electrical discharge through inert gas especially neon, argon, and mercury vapor or mixtures thereof, the electrical discharge being contained within two or more vitreous plates and confined within one or more channels w... | 07/30/1991 |
| 4994706 | Field free, directly heated lanthanum boride cathode A directly heated cylindrical lanthanum boride cathode assembly is disclosed which minimizes generation of magnetic fields which would interfere with electron emission from the cathode. The cathode assembly comprises a lanthanum boride cylinder in electri... | 02/19/1991 |
| 4988910 | Electron power tube cooled by circulation of a fluid A power electron tube cooled by the circulation of a fluid is disclosed. This tube comprises a hollow, cylindrical anode mounted coaxially around a hollow, cylindrical grid, itself surrounding a cathode. The interior of the anode is hermetically closed. A... | 01/29/1991 |
| 4980563 | VUV lithography Deep UV projection lithography can be performed using an e-beam pumped solid excimer UV source, a mask, and a UV reduction camera. The UV source produces deep UV radiation in the range 1700-1300A using xenon, krypton or argon; shorter wavelengths of 850-6... | 12/25/1990 |
| 4975621 | Coated article with improved thermal emissivity A coated article suitable for use in a vacuum consisting essentially of a refractory metal substrate and a first coating of TiB2 and Mo. An overcoat of TiB2 may be applied to the first coating as a second layer upon which additional ... | 12/04/1990 |
| 4970425 | Thermal device, mount, and manufacturing method A thermal device, such as a glow discharge starter, includes an hermetically sealed envelope containing an ionizable medium, a bimetallic electrode having a bimetallic element associated therewith, and a counter electrode. A mount sealed in the envelope i... | 11/13/1990 |
| 4870320 | Color picture tube having an electron gun with reduced convergence drift The present invention provides an improved electron gun in a color picture tube. Such electron gun includes a beam-forming region comprising cathodes and at least two electrodes and a main focus lens formed by two electrodes. The cathodes and all of the e... | 09/26/1989 |
| 4814663 | Fluorescent lamp for unipolar mode of operation For far-reaching reduction of cataphoresis of a fluorescent lamp for unipolar mode of operation, the anode thereof is such that in order to decrease anode current density its surface effective for the formation of the electric field of discharge amounts t... | 03/21/1989 |
| 4785216 | High powered water cooled xenon short arc lamp An arc lamp of the type having an internally integral reflector including an electrode which has an inlet passageway which deliver fluid to a point below the electrode tip and also has an outlet passageway to withdraw fluid from the electrode. The arc lam... | 11/15/1988 |
| 4779022 | Cooling structure for a screen grid electron tube such as a transmitter tetrode A cooling system for a screen grid electron tube such as a high power, high frequency transmitter tetrode which has coaxial formed electrodes and bushings and has an air cool screen grid terminal formed of two angular screen grid terminal elements 1 and 2... | 10/18/1988 |
| 4746833 | Coupled cavity travelling wave tubes A coupled cavity TWT comprises a hollow copper tube having a plurality of tranverse walls of iron which define cavities. The walls each include an aperture on the longitudinal axis of the tube through which an electron beam passes during operation of the ... | 05/24/1988 |
| 4700109 | Crossed-field amplifier An improvement to an existing crossed-field amplifier is shown which includes the replacement of an existing thermionic emitter with a larger platinum emitter. The platinum emitter is cooled from a surface opposite to the surface upon which a high voltage... | 10/13/1987 |
| 4644217 | Electron tube with a device for cooling the grid base In an electron tube with coaxial electrodes comprising an anode, a cathode and at least one grid, the base of each electrode being connected to the outside through a connection, there is mounted between the base of the grid and said connection a solid ann... | 02/17/1987 |
| 4639633 | Electron tube with cathode cooling device An electron tube with a cathode cooling device comprising an anode, a cathode and at least one grid in which the cathode is connected to an output connection through at least one skirt. Inside said tube, at the level of the connection between said skirt a... | 01/27/1987 |
| 4546286 | Electron tube, in particular a transmitter tube In a cathode for a heavy-duty electron tube, the cathode wires (5) lying on the surface (11) of a cylinder between two rigidly constructed connector rings (7, 8) have the form of a surface line with changing pitch. The cathode wires are connected by a sup... | 10/08/1985 |
| 4533523 | Corona treater for plastic film A corona treater includes an active electrode which has one or more insulated electrode elements slidably supported by an insulating track. A contact spring connects each electrode element to a conductive electrode bar embedded in the track, and sheet mat... | 08/06/1985 |
| 4455504 | Liquid cooled anode x-ray tubes There is disclosed a liquid cooled stationary anode tube wherein the anode is adapted for irradiation by an energy beam, and includes a heat exchange surface, said tube includes means for providing a flow of coolant liquid to remove heat from said heat ex... | 06/19/1984 |
| 4439684 | Accelerating grid An accelerating grid particularly for an ion beam, consisting of at least e orifice plate which is fastened along an elastic outer rim thereof to a support. The orifice plate or plates includes a plurality of through-holes with mutually oriented central a... | 03/27/1984 |
| 4366408 | Arc discharge lamp having large anode radiating surface An electric arc discharge lamp comprises a cathode (2), an apertured diaphragm (4) and a cup shaped apertured anode (6). The anode (6) is provided with a flared extension (7) and is mounted on leads passing through ceramic tubes (14) (FIG. 4). The cathode... | 12/28/1982 |
| 4274032 | High power liquid cooled double strapped vane type magetron A microwave device of the magnetron type comprises an anode block with straps which are located with respect to one another along the axis of the block and are electrically connected to respective vanes of resonators of the block, these vanes having like ... | 06/16/1981 |
| 4064411 | X-ray tube for analytic use An X-ray tube for analytic use comprises a bottomed cylindrical nozzle which is formed at the bottom with a slit having substantially the same shape and size as that of a focus formed on an electron-impact surface of an anode target. A pair of recesses ar... | 12/20/1977 |
| 4054811 | Electron beam collector An electron beam collector for a high power electron beam tube has a metallic hollow body for receiving the electron beam, a metallic outer body, and an insulating casing interposed between the inner and outer bodies. A plurality of thin sheet metal fins ... | 10/18/1977 |
| 3983443 | Vacuum electron device having directly-heated matrix-cathode-heater assembly Device comprises an evacuated envelope and a heater-cathode assembly including an electrically-conductive, porous metal body containing electron-emission material and at least two electrically-resistive legs attached directly to spaced positions on the bo... | 09/28/1976 |
