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6897602 Flat luminescence lamp and method for fabricating the same  
A flat luminescence lamp includes a first substrate having a first surface and a second surface, a second substrate having a first surface disposed facing opposite to the first surface of the first...
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...
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...
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...
6653801 Mercury-free metal-halide lamp  
A pair of electrodes ( 3 ) are provided in an arc tube ( 1 ) I/S is 20 (A/mm 2 ) or less on a condition that an area of a cross section at a tip of the electrodes ( 3 ) is S (mm 2 ) and an...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 TiB 2 and Mo. An overcoat of TiB 2 may be applied to the first coating...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
3970883 Arc lamp with movable electrode  
The heat-transfer capability of a movable-electrode gas-filled arc lamp is optimized. In the preferred embodiment, the movable electrode is the anode which is mounted at the base of the lamp...
3942059 High power X-ray tube  
An X-ray tube with a rotating, motor-driven anode made up from a disc of graphite covered on a major portion of its convex surface which is turned away from its axis of rotation by a layer of an...
3903489 Plasma waveguide switch permitting triggering with both cathode and waveguide grounded  
A plasma waveguide switch is provided which permits triggering with both the cathode and waveguide grounded. An anode and a slotted grid are made to act as part of the walls of the waveguide for RF...
3886384 Collector electrode  
An improved collector electrode for a high powered traveling wave tube is shown to consist of a laminated assembly wherein both sides of a metallic core layer resistant to cracking under operating...
3816784 HIGH POWER ELECTRIC DISCHARGE LAMP WITH COOLED BASE ASSEMBLY  
Fluid cooled high power discharge lamp, more particularly a high pressure non discharge lamp with a power input of more than 10 kW capable of being disassembled. A cooling system is included in the...
3814964 EXTERNAL PHOTODETECTOR COOLING TECHNIQUES  
A technique is disclosed for improving the performance of photoemissive devices such as the photocathode of a photomultiplier tube by reducing thermal electron emission noise and thus increasing...
3809939 GRIDDED ELECTRON TUBE EMPLOYING COOLED CERAMIC INSULATOR FOR MOUNTING CONTROL GRID  
The gridded gun of an electron tube includes an annular high voltage beryllia insulator body having good thermal conductivity. The thermionic cathode emitter is mounted within the central bore in...
3806749 METHOD AND MEANS OF EFFECTING CHARGE EXCHANGE IN PARTICLE BEAMS  
The usable lifetime of carbon stripping foils used to effect charge exchange in particle beams is extended by depositing a thin electrically conducting layer on the foil, mounting the foil on a...
3790836 COOLING MEANS FOR ELECTRODES  
An electron discharge device having a movable electrode within an evacuated envelope, and means comprising retractable elements associated with the envelope and movable into engagement with the...
3780336 HIGH POWER BEAM TUBE HAVING DEPRESSED POTENTIAL COLLECTOR CONTAINING FIELD-SHAPING PROBE  
An efficient high power beam tube includes a gridded convergent flow electron gun for forming and projecting a beam of electrons through a centrally apertured accelerating anode to a fly-trap type...
3760213 ANODE FOR A DISCHARGE TUBE  
An improved anode for a discharge tube is provided in which an anode member is positioned within an anode receiving envelope and wherein the anode is constructed of a thermal-expanding material...
3757151 INTERNAL COOLING FOR PHOTODETECTORS  
A technique is disclosed for improving the performance of photodetectors such as the photocathode of a photomultiplier tube, by reducing thermal electron emission noise and thus increasing the...
Matches 1 - 50 out of 125 1 2 3 >