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WO/1999/030348A1 |
An electron source includes a negative electron affinity photocathode (10) on a light-transmissive substrate (12) and a light beam generator (50) for directing a light beam (22) through the substrate (12) at the photocathode (10) for exc...
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WO/1999/016098A1 |
A phototube (10) comprises a photocathode (30) having photoelectric surface. In a sealed enclosure (20) whose inside is vacuum, the photoelectric cathode (30) and an anode (40) are opposed to each other. Voltages are applied to them thro...
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WO/1999/005696A1 |
A multi-function day/night observation, ranging, and sighting device (10) includes a single objective lens (28) and a single eyepiece lens (30) and provides an image of a scene. The single objective lens (28) leads to a visible-light fir...
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WO/1998/057352A1 |
A light-sensitive voltage divider (10 or 240) includes a light-sensitive device (12A). Preferably, two series connected light-sensitive devices (12A and 12B) and two resistors (14A and 14B) are used to provide a light-sensitive voltage d...
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WO/1998/052233A1 |
A close spaced planer vacuum diode is constructed with a photoemissive first electrode (22, 23, 24) and a low work function second electrode (21). As a result of photon flux on said photoemissive first electrode (22, 23, 24), electrons a...
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WO/1998/050934A1 |
This invention discloses a thin-film-coated photocathode, including a photocathode formed of first material consisting of potassium cesium antimonide and a thin-film coating of a second material consisting of cesium bromide (CsBr).
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WO/1998/043275A1 |
The invention concerns a vacuum diode with high saturation current density and quick response time for detecting electromagnetic radiation, comprising a cylindrical grid (6) and a photocathode (4) extending along the cylinder axis (X). T...
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WO/1998/018205A1 |
A proximity detector and ambient light monitor (PALM) is provided, comprising a light source for generating an optical composite signal, a light detector for providing a detected signal, a circuit for separating the ac component from the...
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WO/1997/019471A1 |
A transferred-electron photocathode or other opto-electronic device (24) having one light receiving side and one electronic side, in which multiple photocathodes are processed concurrently on a wafer for front and back side contacts and ...
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WO/1996/017372A1 |
A hybrid photomultiplier tube includes a photocathode (130), focusing rings (134, 136), a photodiode (132), and a collection anode (120) disposed in a detector body (110). A vacuum envelope (116) encloses a vacuum region between the phot...
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WO/1995/009433A1 |
An image intensifier tube (40) that utilizes a photoresponsive layer for producing electrons in response to received radiation, a solid state electron amplifier for multiplying the electrons produced by the photoresponsive layer, a cold ...
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WO/1993/010553A1 |
A technique that corrects photodetector non-linearity without increasing the noise level in the detector signal. The detector (10) is coupled to a preamplifier (100) characterized by the absence of positive feedback, and the preamplifier...
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WO/1991/013459A1 |
A method for temperature compensation of a bipolar transistor (601) through optically-induced carrier density enhancement. In response to the output of a temperature sensor (605), the optical output power of a photon source (602) directe...
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WO/1990/011613A1 |
A multi-layer Z-technology module (20) having a two dimensional photodetector (24) mosaic is disclosed, in which the function of A/D signal conversion is accomplished in each on-chip channel. In order to satisfy the power and real estate...
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WO/1987/003138A1 |
A photodetector sensing system which combines staring and scanning features. By providing both temporal and spatial filtering, many system benefits are obtained. Each pixel in the viewed scene has a ''dedicated'' filter, which receives s...
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WO/1986/001032A1 |
An electron gun (10) that suppresses the non-linear space charge forces and phase-dependant focusing forces that are chiefly responsible for the high emittance of conventional electron guns. The gun comprises a resonant microwave cavity ...
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WO/1985/002713A1 |
A pre-amplifier located "at the focal plane" of a detector array which uses MOSFET transistors operated in the "weak-inversion" region to provide operational amplifier performance. The dimensions of certain of the transistors are designe...
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WO/1982/003493A1 |
A photodetector (10) including a photosensitive material (14) which changes its electrical properties in response to radiation striking the material, and particularly radiation of a wavelength at or near that of light, positioned within ...
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JP7436761B1 |
The electron tube includes a photoelectric conversion section that emits photoelectrons according to incident light, an electron detection section that receives photoelectrons from the photoelectric conversion section, and a gate electro...
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JP2024015761A |
[Problem] To provide a vacuum tube whose sensitivity can be restored. The present invention has a main body extending in a cylindrical shape along a tube axis and an input window provided at one end of the main body in the direction alon...
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JP7422147B2 |
A photocathode including a substrate, a photoelectric conversion layer provided on the substrate and generating photoelectrons in response to incidence of light, and an underlayer provided between the substrate and the photoelectric conv...
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JP7422035B2 |
A photoelectric-surface electron source includes: a glass substrate that receives laser light from a substrate light-receiving surface including microlenses and that focuses the laser light toward a substrate main surface located on the ...
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JP7412331B2 |
A method for counting photons using a photomultiplier includes obtaining a measurement signal from a raw signal produced by the photomultiplier by correcting the raw signal for a noise signal and/or an offset, wherein an incident photon ...
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JP7399034B2 |
A photocathode including a substrate, a photoelectric conversion layer provided on the substrate and generating photoelectrons in response to incidence of light, and an underlayer provided between the substrate and the photoelectric conv...
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JP2023172950A |
To provide an improved microchannel plate.The invention provides a night vision system, a microchannel plate (MCP), and a planetary deposition system and methodology for selectively depositing an electrode contact metal on one side of MC...
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JP7391070B2 |
Systems and methods for partial discharge reduction are provided. The systems and methods can receive an input voltage at a high voltage sensor configured within a sealed sensor assembly. The input voltage can be received via a discharge...
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JP2023549000A |
The metasurface element includes a support and a metasurface formed on the surface of the support. The metasurface includes a metal pattern arranged to emit electrons in response to incidence of electromagnetic waves, and a metal layer c...
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JP7369675B2 |
The electron tube includes a vacuum container having a light transmitting substrate, a photocathode provided on an inner surface of the light transmitting substrate, an anode provided in the vacuum container, and a prism. The prism inclu...
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JP7360975B2 |
To provide a photodetector with which it is possible to achieve both of heat conductivity and electrical insulation between a side pipe part and a heat absorption part so as to perform efficient and highly reliable photodetection.A photo...
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JP2023529277A |
A night vision system is provided along with an image intensifier tube and a method for forming the image intensifier tube. The night vision system incorporates image intensifier tubes in both analog and digital channels, and an addressa...
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JP2023527314A |
The image sensor has a photocathode window assembly, an anode assembly, and a malleable metal seal. The photocathode window assembly has a photocathode layer. The anode assembly includes a silicon substrate having an electron sensitive s...
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JP2023524438A |
A night vision system is provided along with a method for blocking the continued drawing of electrons from the image intensifier tube and electron multiplier. A night vision system includes an electron multiplier, or possibly two electro...
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JP7247379B2 |
A method of manufacturing a multi-layer image intensifier wafer includes fabricating first and second glass wafers, each having an array of cavities that extend between respective openings in first and second surfaces of the respective g...
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JP2023512566A |
[Theme] Kind Code: A1 In an electron tube (1), an electron emitting member (20) is arranged in a housing (10) and has a metasurface (S) and first and second electrodes (81, 82). The metasurface S emits electrons in response to incident e...
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JP7241746B2 |
A flat top laser beam is used to generate an electron beam with a photocathode that can include an alkali halide. The flat top profile can be generated using an optical array. The laser beam can be split into multiple laser beams or beam...
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JP7157675B2 |
A method and a light detector that includes (i) a photon to electron converter a photon to one or more photoelectrons; (ii) a photoelectron detection circuit that includes a photoelectron sensing region; (iii) a chamber; (iv) a bias circ...
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JP2022539537A |
[Task] [Solution] The present invention relates to a photocathode for vacuum systems configured to receive electromagnetic radiation having an incident wavelength and emit electrons in response thereto. A photocathode comprises a conduct...
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JP2022539216A |
The subject of the present invention is: a charged particle pulse generator comprising: a vacuum chamber (V);-6configured to maintain an internal operating pressure comprised between mbar and atmospheric pressure; a vacuum chamber (V) co...
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JP7111673B2 |
According to one embodiment, a multi-electron beam device includes at least: a light-emitting element array; a drive circuit controlling the light-emitting element array in a desired light emission pattern; a photoelectric film emitting ...
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JP7082660B2 |
A photocathode can include a body fabricated of a wide bandgap semiconductor material, a metal layer, and an alkali halide photocathode emitter. The body may have a thickness of less than 100 nm and the alkali halide photocathode may hav...
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JP2022081982A |
To speed up the response of a detector which includes an avalanche diode and detects charged particles or light without changing a structure of the avalanche diode which performs the rate controlling on the response of the detector.An av...
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JP7017614B1 |
To provide a phototube capable of improving light detection efficiency. A phototube 1 is held by a housing 2 including a light transmitting portion 22 and a recess 23 provided in the housing 2, and a concave photoelectric surface 32 faci...
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JP7014707B2 |
An ion chamber has a chamber having an interior volume. There is a first electrode and a second electrode in the chamber and separated by a gap. A collector electrode is positioned between the first electrode and the second electrode. Th...
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JP2022508565A |
The device (200) for generating a random bit sequence was configured to generate a sequence of endogenous random current pulses (S1) as a result of photomultiplier self-amplification of thermally generated charge carriers. At least one s...
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JP2022506509A |
The detection system for the X-ray microscope system utilizes a high bandgap direct conversion X-ray detection material. The X-ray projection signal is recorded on a spatial light modulator such as a liquid crystal (LC) light bulb. The l...
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JP2021533546A |
One or more pellicle protects the cathode, and the pellicle allows electrons to pass while preventing contamination of the cathode from elements that occur beyond the pellicle, or contamination of external devices from elements that occu...
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JP6968473B1 |
To provide an electron gun which can be set so that an electron beam having a desired electron beam parameter can be irradiated to a desired portion to be irradiated with only a component of the electron gun. An electric field can be for...
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JP2021177480A |
To provide an ion detector of which the lifetime is prolonged.An ion detector 5 comprises a first dynode 10, a second dynode 20, a scintillator 40, a conductive layer 46 and a photomultiplier tube 50. The first dynode 10 emits charged pa...
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JP6958827B1 |
To easily obtain desired characteristics even when a light-transmitting conductive layer is provided as a base between a light-transmitting substrate and a photoelectric conversion layer. A photocathode includes a light-transmitting cond...
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JP2021166184A |
To provide a cooled PMT or PMT-based photodetector that is small and reduces or prevents condensation, and a device or a system that includes such a PMT or PMT-based photodetector.A photodetector 208 includes a cooling device 244 between...
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