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Patent Searching and Data


Matches 801 - 850 out of 1,023

Document Document Title
JPH04504484A  
JPH04206430A
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...  
JPH0434687B2  
JPH0461852U  
JPH04152296A
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, ...  
JPH0418668B2  
JPH0432792A
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 ...  
JPH044691B2  
JPH043621B2  
JPH0374764B2  
JPH03261029A
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...  
JPH0369133B2  
JPH0357572B2  
JPH03133045A
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...  
JPH03108244A
PURPOSE: To provide a high quantum efficiency and a low resistance value per unit area by forming a contact device with a narrow conductive contact, accumulated in an effective area on a substrate. CONSTITUTION: A contact device 10 is fo...  
JPH0322014B2  
JPH0328648U  
JPH0355742A
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...  
JPH0343946A
PURPOSE: To highly uniformize the travel time of photoelectrons to the entire surface of an inlet screen, by optimizing the curvature of a photoelectric cathode surface and the geometry of an electro-optical system, so that the photoelec...  
JPH0329259A
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 ...  
JPH02288145A
PURPOSE: To accomplish improvement in collecting efficiency of a tube, reduction of a total transfer time, and miniaturization of a photomultiplier and the tube as a whole by comprising a plurality of concentric housing electrodes servin...  
JPH02227951A
PURPOSE: To miniaturize a photoelectron intensifier tube by constituting a first dynode by a sheet extended almost in parallel to a photoelectron cathode, providing a surface formed of material emitting a secondary electron in this sheet...  
JPH0227779B2  
JPH02119038A
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...  
JPH02119039A
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...  
JPH0294348A
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...  
JPH0233847A
PURPOSE: To narrow necessary void space of a multiplier tube and make the assembling easy by eliminating the intermediate dynode of an electronic multiplier tube into which an electronic multiplyer device is incorporated and approaching ...  
JPH0135467B2  
JPH0135468B2  
JPS645738B2  
JPS644303B2  
JPS6362685B2  
JPS63291337A
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...  
JPS63502075A  
JPS63108658A
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....  
JPS6357756U  
JPS6358751A
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...  
JPS62232831A
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, ...  
JPS6230281Y2  
JPS62108445A
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 ...  
JPS62108444A
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...  
JPS6221209B2  
JPS6291826A
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...  
JPS6220215A
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...  
JPS61502788A  
JPS6148349B2  
JPS61136277A  
JPS61101939A
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...  
JPS6199822A
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...  
JPS6168848A
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...  

Matches 801 - 850 out of 1,023