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JP04345742 |
PURPOSE: To provide a photoelectric transfer tube such as a photomultiplier tube eliminating optical cross talk between mutually adjoining channels, and enabling measuring lights of plural channels accurately, concurrently, and independe...
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JP04345741 |
PURPOSE: To provide a phototube having high possibility of collecting photoelectrons, generated in a photocathode, in an anode despite an outside strong magnetic field, and good photo detecting efficiency. CONSTITUTION: Photoelectrons ar...
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JP04303534 |
PURPOSE: To form a photoelectric surface wherein the S/N ratio of emitted electrons for incident light is improved without lowering the electron emission efficiency in the effective region and cross talks between channels is decreased an...
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JP04303535 |
PURPOSE: To maintain stable performance characteristic and high photoelectric conversion performance and to prevent emission of undesirable photoelectrons due to incident light from outside CONSTITUTION: A photoelectric conversion tube c...
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JP04292843 |
PURPOSE: To ensure a quick potential change on the inner surface of the translucent wall of a sealed vessel, and reduce the occurrence of hysteresis by forming a conductive section on the aforesaid inner surface. CONSTITUTION: A conducti...
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JP04259744 |
PURPOSE: To further miniaturize an alkali metal source used in the formation of a photo-electric surface such as a photoelectron multiplier tube, and heat and reflux a necessary alkali metal by electrification with less calorific value. ...
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JP04242040 |
PURPOSE: To make an alkali source small-sized in order to perform heating reduction of required alkaline metal gas with lower heating quantity by forming an alkaline metal gas generating agent into a pellet shape to make it contact with ...
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JP04206430 |
PURPOSE: To obtain a quantum efficiency close to 1 by enclosing a cesium vapor in a container having a light incidental window and a pair of a positive and a negative electrodes, collection cesium ions and electrons generated by an incid...
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JP04152296 |
PURPOSE: To enable fine particles to be efficiently electrified by constituting a multiplet structure of a base material or the like comprising an element or the like emitting photo electron upon exposure to ultraviolet and radial rays, ...
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JP04032792 |
PURPOSE: To detect secondary electrons with high efficiency by converging light which is converted from the secondary electrons by using a fluorescent optical fiber. CONSTITUTION: An electron beam 1 emitted by an electron gun irradiates ...
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JP03261029 |
PURPOSE: To hold the emission of thermoelectrons after the irradiation of light is stopped and count it to increase the amount of output charge (sensitiveness) relative to the number of incoming photons by radiating light to a preset hal...
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JP03133045 |
PURPOSE: To equalize the sensitivity such that an incident ray signal does not escape to the external by closely arranging light guides where an end face at an optical incident side is used as a diffuse transmission face at the outside o...
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JP03055742 |
PURPOSE: To eliminate the possibility of sealing a gas into an electron tube with a simple device and process by vacuuming a glass enclosure and a space between a vacuum vessel and the glass enclosure in the vacuum vessel having a size s...
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JP03029259 |
PURPOSE: To greatly increase the quantum efficiency of photoelectric surface of semiconductor by forming a light reflection film on the rear side of crystallized substrate, or forming the film on the rear side of a transparent substrate ...
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JP02119039 |
PURPOSE: To improve detection sensitivity to a specific wavelength by providing a transparent membrane on a light-receiving plane of a transparent light- receiving plate, with a refraction factor n which is larger than that of the transp...
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JP02119038 |
PURPOSE: To improve detection sensitivity to a specific wavelength by providing a transparent membrane on a light-receiving plane of a transparent light- receiving plate, with a refraction factor n which is larger than that of the transp...
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JP02094348 |
PURPOSE: To save the space for installation of business equipment in an office by making a display in the form of a sheet, turning an image, etc., into a signal, receiving these signals from a control controller, and thereupon reproducin...
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JP63291337 |
PURPOSE: To obtain a photo-cathode with a photoelectric conversion factor high over a wide range of wavelengths by forming an n-type semiconductor thin film of prescribed compositions on a p-type amorphous Si group thin film so as to for...
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JP63108658 |
PURPOSE: To improve a photoelectric transfer effectiveness by composing an incident light window in which at least one part of the window is comprised of an optical fiber plate in which each fiber is tilted to a photoelectricity surface....
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JP63058751 |
PURPOSE: To maintain the uniformity of the photoelectric conversion sensitivity and obtain the higher photo sensitivity by constituting the surface of an incident face plate on which a photoelectric cathode is provided as a diffuse trans...
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JP62232831 |
PURPOSE: To effectively reduce the reflectance of a surface so as to improve the efficiency of emission of electrons therefrom by providing small projections and recesses on the surface to which light or primary electrons are projected, ...
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JP62108445 |
PURPOSE: To uniform the sensitivity of a photoelectric tube in all directions, by providing photoelectron emission layers on the surfaces of a pair of rodlike electrodes extending in parallel with each other outside a hermetic container ...
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JP62108444 |
PURPOSE: To simplify the construction of a photoelectric tube and widen the range of directionality in sensitivity, by providing photoelectron emission layers on the surfaces of a pair of rodlike electrodes on the stem of a hermetic cont...
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JP62091826 |
PURPOSE: To obtain a high speed detecting tube of a transmission type having a high rise speed by giving a potential difference for generating an acceleration electric field, between an acceleration electrode of a transmission type and a...
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JP62020215 |
PURPOSE: To obtain a photoelectric surface with small fluctuation of gain, and sensitivity which is the same or more as that of the photoelectric surface formed by silver, oxygen, and cesium, by forming it of silver, silver oxide, potass...
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JP61101939 |
PURPOSE: To acquire a highly sensitive permeable NEA GaAs photoelectric screen which can absorb or relieve defects such as rearrangement from a grid unconformity, by adding Be near a GaP monocrystal plate and a GaAs monocrystal layer, an...
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JP61099822 |
PURPOSE: To facilitate degassing within each channel of the titled device by exhausting gas molecules or the like stuck on a microchannel plate by actuating an exhauster and each part before using when the plate is exposed to gas. CONSTI...
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JP61068848 |
PURPOSE: To enable a photoelectric tube to be placed near the subject so as to achieve increased optical efficiency by using a tub-like photoelectron-emitting screen the cross section of which is a circular arc the curvature center of wh...
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JP60180052 |
PURPOSE: To devise improvement of electron emission efficiency by forming the electron emission cathode with a conductive substrate, an amorphous semiconductor film layer, an insulating material film layer, and an alkali metal salt layer...
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JP60086750 |
PURPOSE: To obtain a photo-electric apparatus to be used as a photo-detector used in the intensified magnetic field and a detector for capturing a high speed optical phenomenon by forming a photo-electric surface by vacuum deposition and...
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JP60084751 |
PURPOSE: To increase gain of amplification circuit and decrease effect of noise by forming a photoelectric conversion device by combining a photoelectric conversion unit and an arithmetic amplification circuit in a vacuum glass tube. CON...
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JP60080726 |
PURPOSE: To extend a spectral sensitivity range by dividing tube walls of each channel of a microchannel plate to the circumferential direction, forming photoelectron discharging layers different in spectral sensitivities, and inclining ...
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JP60035449 |
PURPOSE: To reduce the resistance of a photoelectric screen and improve its response by connecting a conductor mesh to a metallic electrode layer that supplies a photoelectron emission layer with current and providing the photoelectron e...
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JP59221625 |
PURPOSE: To perform sufficiently stable operation even in the presence of a magnetic field by applying the anode of a gass-filled phototube with a voltage higher than the grid, and connecting selectively both voltages which are higher an...
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JP59221958 |
PURPOSE: To reduce influence when the direction of magnetic field has shifted against the tube axis by maintaining the distance between the photoelectric face and dynode within specific dispersion range of the diameter of photoelectric f...
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JP59184444 |
PURPOSE: To obtain a photoelectric screen having sensitivities even to waves longer than those to which the usual photoelectic screen is sensitive by introducing potassium over the photoelectric screen. CONSTITUTION: A plate-like anode 5...
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JP59165361 |
PURPOSE: To provide a photoelectric tube free from ion spot or ion noise and provided with desired spectral sensitivity characteristic, by practicing the process of applying electricity to and heating a fine wire made of tantalum and tit...
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JP59114745 |
PURPOSE: To improve sensibility in the red range by forming a photoelectric screen with a silver layer prepared on a transparent substrate, a silver oxide layer prepared on the surface thereof, a natrium layer, cesium layer and the silve...
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JP59054162 |
PURPOSE: To obtain a solar power generation device which converts photo-energy into electric energy directly by converting the photo-energy and the thermo- energy and the thermo-energy of sunlight into photo-electrons and thermions. CONS...
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JP58164136 |
PURPOSE: To obtain a compact phototube that can be operated at a low saturation voltage by sealing and fixing one side of a cylindrical glass tube at the base sides of the first electrode whose top is rolled flatly and the second electro...
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JP58085263 |
PURPOSE: To obtain a stable photoelectric screen which changes to a small degree with the passing of time by applying a liquid solution containing the first group matter such as decalin, the second group matter such as naphthalene, and a...
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JP57205947 |
PURPOSE: To obtain a photoelectric screen having a photosensitivity to light with long wavelength by oxidizing the surface of a silver layer into silver oxide, and forming a potassium layer, a cesium layer and a silver layer, in that ord...
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JP57173759 |
PURPOSE: To make it possible with simple constitution to detect the direction of movement of a passing object by making opaque the right half and left half of a circular luminscent body for a photoelectric tube used for counting the numb...
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JP57060652 |
PURPOSE: In a photoelectric converting tube for detecting NOX in the air due to the exhaust gas from a car, to detect the light emission from the fluid efficiently by forming a photoconductive face along the axis of the through-holes arr...
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JP57046457 |
PURPOSE: To reduce the directional disuniformity of the photoconductive sensibility, by applying A.C. voltage on two electrodes of an ultraviolet discharge tube having two linear parallel electrodes. CONSTITUTION: Two parallel electrodes...
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JP56057245 |
PURPOSE: To obtain uniform photoelectric sensitivity and extremely short rise characteristics by providing a netlike photoelectric collection electrode in close vicinity to a plane photoelectric cathode and a light incidence window apart...
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JP56057238 |
PURPOSE: To easily and unskilledly manufacture a vacuum-tube bulb with a polygonal faceplate by simultaneously fusing the base plate and molding a polygonal cylinder, putting molded substances in a heating furnace. CONSTITUTION: A polygo...
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JP55081440 |
PURPOSE: To improve reproducibility and make uniform the photoelectric sensitivity of a photoelectric screen by measuring and detecting the resistance of a base thin film, specifying this resistance within the fixed value, controlling ev...
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JP55046270 |
PURPOSE: To provide a photoelectric multiplier with high photoelectric sensitivity, by constructing a photo electric surface of alkaline antimonide through a thin film layer of potassium bromide on the conductive layer in one side of a s...
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JP54025662 |
PURPOSE: To establish color signals of green, blue and red having longer life and stable, by obtaining the same characteristics as the spectrum characteristics of the photoelectric surface of Sb-Cs-O through the use of special filters on...
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