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| Number | Title | Issue Date |
| 7944146 | Photocathode lighting device, method for manufacturing the same and exposure apparatus using photocathode lighting device The photocathode lighting device of planar light emission including: a light source unit emitting a first light; a cathode plate contacted face-to-face with the light source unit; a metal mask layer adhered to the cathode plate and including a repetitive plurality o... | 05/17/2011 |
| 7728519 | Correction of the distortion of an image intensifier electron tube The invention relates to the correction of the distortion of an image intensifier electron tube comprising an entry screen intended to receive what is called primary electromagnetic radiation and an exit screen emitting radiation dependent on the primary radiation, ... | 06/01/2010 |
| 7557503 | Streak tube including control electrode having blocking portion between a photocathode and an anode A streak tube 1A comprises an envelope 10 including an entrance faceplate 12; a photocathode 20 for converting light received from the entrance faceplate 12 into an electron; an anode 23 having an opening 23a f... | 07/07/2009 |
| 7427765 | Electron beam column for writing shaped electron beams An electron beam column comprises a thermal field emission electron source to generate an electron beam, an electron beam blanker, a beam shaping module, and electron beam optics comprising a plurality of electron beam lenses. In one version, the optical parameters ... | 09/23/2008 |
| 7375400 | Field emission display device An image display device is provided in which the overall brightness of an image can be varied without adversely affecting hue and contrast. The image display device includes emitters 16 connected to a cathode electrode 15, a gate electrode 13, a... | 05/20/2008 |
| 7262418 | Method and apparatus for multiple charged particle beams A multi-charged particle beam tool for semiconductor wafer inspection or lithography includes an array of electron beam columns, each having its own electron or ion source. The objective lenses of the various electron beam columns, while each has its own pole piece,... | 08/28/2007 |
| 7251400 | Absorptive clad fiber optic faceplate tube A limiter device is used as a fiber optic faceplate (FOFP) night vision goggle for limiting light or laser induced damage on a vacuum side of the FOFP. The limiter device includes a plurality of longitudinally extending optical fibers, each bundled to each other to ... | 07/31/2007 |
| 7233028 | Gallium nitride material devices and methods of forming the same The invention provides gallium nitride material devices, structures and methods of forming the same. The devices include a gallium nitride material formed over a substrate, such as silicon. Exemplary devices include light emitting devices (e.g., LED's, lasers), ligh... | 06/19/2007 |
| 7205675 | Micro-fabricated device with thermoelectric device and method of making A micro-fabricated device, includes a support structure having an aperture formed therein, and a device substrate disposed within the aperture. The micro-fabricated device further includes a thermally isolating structure thermally coupling the device substrate to th... | 04/17/2007 |
| 7193241 | Ultraviolet sensor and method for manufacturing the same An ultraviolet sensor includes a substrate; a diamond layer, placed on the substrate, functioning as a detector; and at least one pair of surface electrodes arranged on the diamond layer. The diamond layer has a detecting region present at the surface thereof, the d... | 03/20/2007 |
| 7132313 | Diamond heat spreading and cooling technique for integrated circuits A semiconductor chip is shown containing an integral heat spreading layer that more effectively transmits heat from the die to ambient as a result of spreading the heat out on the die over a larger cross sectional area. Local hot spots are minimized which allows the... | 11/07/2006 |
| 7114851 | Methods and systems for calibrating medical imaging devices A method and system for calibrating medical imaging devices is provided. The method includes generating a calibration image within an X-ray imaging system and determining an image distortion of the X-ray imaging system based upon the calibration image for calibratin... | 10/03/2006 |
| 7095037 | Electron beam lithography system having improved electron gun An electron beam lithography system has an electron gun including at least one laser that is operable in a first mode to generate electrons for lithography. The electron beam lithography system is operable in a second mode to regenerate the photocathode of the elect... | 08/22/2006 |
| 7045957 | Polycrystal diamond thin film and photocathode and electron tube using the same In the polycrystal diamond thin film in accordance with the present invention, the average particle size is at least 1.5 μm and, in a Raman spectrum obtained by Raman spectroscopy, a peak intensity near a wave number of 1580 cm−1 has a ratio of 0.2 or ... | 05/16/2006 |
| 7020244 | Method and design for electrical stress mitigation in high voltage insulators in X-ray tubes In accordance with one embodiment, the present technique provides an X-ray tube. The X-ray tube includes an anode assembly configured to emit X-ray beams and a cathode assembly configured to emit electrons towards the anode assembly. The cathode assembly includes an... | 03/28/2006 |
| 6960879 | Distortion correction of an image intensifier The invention relates to the correction of distortion in an image intensifier comprising a primary screen intended for receiving first radiation and a secondary screen that emits second radiation that depends on the first radiation. The image intensifier furthermore... | 11/01/2005 |
| 6847164 | Current-stabilizing illumination of photocathode electron beam source An electron beam source has a photocathode with a photoemitter material having a work function, and with a beam receiving portion and an electron emitting portion. A first light source directs a first light beam onto the beam receiving portion of the photocathode to... | 01/25/2005 |
| 6765352 | Photocathode and electron tube A photocathode and an electron tube in which the photocathode plate can be securely fixed without using any adhesive. Even under the severe condition that a high vibration resistance is required or thermal stress occurs because of great temperature variation, it can... | 07/20/2004 |
| 6724131 | Night vision device and method A image intensifier tube (14) includes a housing (18) carrying a photocathode (22) and a microchannel plate (24). The housing also receives axially extending fine-dimension spacing structure (22a) interposed around an active... | 04/20/2004 |
| 6657385 | Diamond transmission dynode and photomultiplier or imaging device using same A diamond transmission dynode and photocathode are described which include a thin layer of a crystalline semiconductive material. The semiconductive material is preferably textured with a (100) orientation. Metallic electrodes are formed on the input and ... | 12/02/2003 |
| 6642637 | Parallel plate electron multiplier An electron multiplier having an access for allowing a beam to pass is presented. The electron multiplier collects particles traveling back along the beam and is capable of collecting the particles arbitrarily close to the beam. The electron multiplier in... | 11/04/2003 |
| 6586877 | Electron tube In an electron tube 1, a space S between a periphery part 15b of a semiconductor device 15 and a stem 11 is filled with an insulating resin 20. The insulating resin 20 functions as a reinforcing member while the electron tube 1 is assembled under high-tem... | 07/01/2003 |
| 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 |
| 6507147 | Unitary vacuum tube incorporating high voltage isolation A housing for microelectronic devices requiring an internal vacuum for operation, e.g., an image detector, is formed by tape casting and incorporates leads between interior and exterior of said housing where said leads are disposed on a facing surface of ... | 01/14/2003 |
| 6483231 | Night vision device and method A image intensifier tube (14) includes a housing (18) carrying a photocathode (22) and a microchannel plate (24). The housing also receives axially extending fine-dimension spacing structure (22a) interposed around an active area 22b of the photocathode a... | 11/19/2002 |
| 6420829 | Input window of a raidographic image intensifier and method for making same In a radiographic image intensifier having an input window, and a method for its production, an intermediate layer is deposited on a substrate for a luminous layer, thereby smoothing the surface of the substrate. This intermediate layer serves to smooth t... | 07/16/2002 |
| 6376985 | Gated photocathode for controlled single and multiple electron beam emission A photocathode having a gate electrode so that modulation of the resulting electron beam is accomplished independently of the laser beam. The photocathode includes a transparent substrate, a photoemitter, and an electrically separate gate electrode surrou... | 04/23/2002 |
| 6376984 | Patterned heat conducting photocathode for electron beam source A photocathode emitter as a source of electron beams, having an optically transmissive substrate patterned to define a protrusion, heat conducting material occupying the space surrounding the protrusion, and a photoemitter layer over the protrusion. The p... | 04/23/2002 |
| 6194700 | Device with an alteration means for the conversion of an image To reduce phenomena of distortion in an image intensifier tube, it is planned to provide its input with a permanent test pattern. The image of the test pattern is then read in real time and a deduction is made therefrom of the correction to be made to an ... | 02/27/2001 |
| 6169360 | X-ray image intensifier and method for manufacturing thereof The present invention assures a satisfactory adhesiveness of an input screen 13 of an X-ray image intensifier, high resolution of an output image and brightness uniformity as required, by configuring an aluminum or aluminum alloy substrate 21 so to have a... | 01/02/2001 |
| 6040657 | Thin faceplate image intensifier tube having an improved vacuum housing An improved image intensifier tube has electrically operative components that include a photocathode having a photoemissive layer, a microchannel plate (MCP) having a conductive input surface and a conductive output surface, and a vacuum housing for retai... | 03/21/2000 |
| 5986387 | Transmission type electron multiplier and electron tube provided This invention relates to a transmission type electron multiplier having a high secondary electron generation efficiency and having the structure capable of detecting positions of incidence of detected light, and also to an electron tube provided therewit... | 11/16/1999 |
| 5982094 | Electron tube with polycrystalline diamond photocathode A photocathode includes a first layer of polycrystalline diamond or a material mainly composed of polycrystalline diamond. The first layer of polycrystalline diamond may be terminated with hydrogen, or oxygen, and a second layer of an alkali metal or comp... | 11/09/1999 |
| 5932966 | Electron sources utilizing patterned negative electron affinity photocathodes An electron source includes a negative electron affinity photocathode on a light-transmissive substrate and a light beam generator for directing a light beam through the substrate at the photocathode for exciting electrons into the conduction band. The ph... | 08/03/1999 |
| 5898269 | Electron sources having shielded cathodes An electron beam source includes a cathode having an electron emission surface including an active area for emission of electrons and a cathode shield assembly including a conductive shield disposed in proximity to the electron emission surface of the cat... | 04/27/1999 |
| 5684360 | Electron sources utilizing negative electron affinity photocathodes with ultra-small emission areas An electron source includes a negative electron affinity photocathode on a light-transmissive substrate and a light beam generator for directing a light beam through the substrate at the photocathode for exciting electrons into the conduction band. The ph... | 11/04/1997 |
| 5633562 | Reflection mode alkali photocathode, and photomultiplier using the same This invention relates to an improvement of a reflection mode alkali photocathode which relies on controlling a deposition weight of antimony. The reflection mode alkali photocathode according to this invention includes a thin layer of antimony directly d... | 05/27/1997 |
| 5623182 | Reflections mode alkali photocathode and photomultiplier using the same This invention relates to an improvement of a reflection mode alkali photocathode which relies on controlling a deposition weight of antimony. The reflection mode alkali photocathode according to this invention includes a thin layer of antimony directly d... | 04/22/1997 |
| 5598060 | Segmented photomultiplier tube with at least two ways disposed on both sides of an axial plane A segmented photomultiplier tube having an electrode which, in its higher part acts as a focusing electrode for distributing photo-electrons on both sides of an axial plane, while in its lower part forming a collection cage, the photo-electrons undergo a ... | 01/28/1997 |
| 5587621 | Image intensifier tube In order to increase the sensitivity of an image intensifier tube, the efficiency with which an electron image is formed from radiation of a first wavelength is increased. Radiation of the first wavelength is converted into radiation of a second wavelengt... | 12/24/1996 |
