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JP01018067 |
PURPOSE: To obtain an analyzing and displaying apparatus having a high resolution, an excellent SN ratio and high reliability, by a method wherein an electric signal to be measured is sampled by a photoelectron pulse. CONSTITUTION: A pul...
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JP01007465 |
PURPOSE: To reduce dark and noise currents by monolithically forming acceleration resistance for generating voltage for accelerating secondary electrons generated inside a secondary electron multiplying tube toward a collector, in a part...
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JP63299032 |
PURPOSE: To enable secondary electron multiplication effects having a high effectiveness to be obtained by continuously changing a resistance value of an oxide layer of alminum or titan having a high secondary electron emission ratio and...
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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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JP63261664 |
PURPOSE: To improve detection accuracy of an incident position, by unifying the thickness of a rectangular light entry window along its longitudinal direction, and bending it in the vertical direction at a fixed curvature so as to form p...
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JP63257176 |
PURPOSE: To prevent dielectric break down by creeping discharge between opposing surfaces in a secondary electron multiplying section by providing a bypass element consisting of a pair of opposing electrodes which are opposingly disposed...
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JP63254652 |
PURPOSE: To obtain a photomultiplier tube with little fluctuation or the signal current from an anode electrode and not liable to the change of the terrestrial magnetism by curving the electron emitting section of the first-stage dynode ...
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JP63253283 |
PURPOSE: To realize a long service life of the titled detector by connecting both opening parts of a secondary electron multiplier glass thin tube, when an electric discharge has occurred between both of them, and preventing the subseque...
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JP63252343 |
PURPOSE: To improve a current amplifying operation and to increase luminous brightness of a CRT by shaping aperture cross-sectional areas of dinode electrodes in non-axis symmetry. CONSTITUTION: This plate is provided with at least one p...
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JP63252349 |
PURPOSE: To enable the simple manufacturing of a channel type electronic multiplying tube with excellent characteristics by coating an inner surface of a channel plate's pipe with a solution which consists of metallic alkoxide as a main ...
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JP63205043 |
PURPOSE: To suppress discharge growth in an inner surface of a secondary electron multiplying device by providing a power source current detecting means for detecting an output current of a high voltage power source which accelerates sec...
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JP63200457 |
PURPOSE: To improve photoelectric sensitivity and to obtain high uniformity irrespective of photoelectric surface positions by forming a film of a photoelectric surface formation material which is formed uniformly on a side of an inciden...
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JP63198251 |
PURPOSE: To remarkably reduce the occurrence probability of the remaining pulse current and improve the analysis accuracy of the photon count data by positioning a removing electrode having an opening with a preset size between a photoel...
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JP63174255 |
PURPOSE: To effectively shield the thermoelectrons emitted from a photoelectric face and improve the detection precision of photoelectrons by setting the position of a support pin nearest to the electrode support pin of a photoelectron e...
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JP63152842 |
PURPOSE: To ease an oxide treatment of a supporting frame as well as to prevent an unnecessary deformation of an optical window by forming the supporting frame with iron or an alloy including iron, and making the supporting frame and the...
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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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JP63081746 |
PURPOSE: To prevent a false signal from appearing when the applied voltage to a secondary electron multiplier is switched to the high speed and prevent a trouble by making the voltage across a dynode terminal and an anode constant regard...
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JP63078448 |
PURPOSE: To make a photomultiplier tube small-sized by providing multiple photoelectron faces on the inner periphery of an annular vacuum glass tube and providing multiple collector electrodes inside the outer periphery of the annular gl...
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JP63071681 |
PURPOSE: To obtain linear information on the incidence position of a particle ray of an electron, a photon, etc., at a high speed by improving the shape of an electrode on the output surface of a microchannel plate. CONSTITUTION: An infi...
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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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JP62241249 |
PURPOSE: To suppress a thermal noise effect by encircling and fixing a connecting lead of an electron collector electrode with an insulated tube and a conductive shielding tube, and connecting the conductive shielding tube to a connectin...
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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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JP62201385 |
PURPOSE: To detect fast pulse ions with high sensitivity by varying voltages applied to a 1st and a 2nd conversion electrodes independently of each other. CONSTITUTION: The conversion electrodes 3 and 5, an electron lead-out grating type...
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JP62195844 |
PURPOSE: To improve the position analyzing property, by multiplying the electrons injected in one of penetrating holes from the first surface side of a base plate, at the second electron discharge layer, and applying a voltage between th...
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JP62150644 |
PURPOSE: To prevent the excessive alkali at an electronic multiplier of the alkali to feed to a photoelectron cathode normally from around an anode of a photoelectron multiplier tube, by applying optimum numbers of frame-form black space...
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JP62126540 |
PURPOSE: To aim at reduction watt consumption, by setting up a semiconductor device, which impresses only voltage on a dynode and makes it bypass a current, between some of nodes of bleeder resistance and respective ones of dynodes corre...
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JP62108446 |
PURPOSE: To simplify assembly work, by supporting the peripheral projections of multiple stage of electrodes to alternately shift the positions of the projections in the circumferential direction around the axis of an electron tube in ad...
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JP62086656 |
PURPOSE: To secure such a channel plate that is uniform in form, size and distribution of a channel, by laminating a sheet material consisting of a material having secondary electron emission power in a way of truing up each direction of...
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JP62073548 |
PURPOSE: To reduce a leakage current by providing a conduction shielding layer surrounding a connection line implanted in a vacuum container, to which an electron focusing electrode is connected, while connecting said conduction shieldin...
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JP62064040 |
PURPOSE: To lower the level of leak current thus to enable detection of low signal by surrounding the surface of an insulative supporting member with a multiplying electrode and a conductive layer not connected with the collecting electr...
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JP62064042 |
PURPOSE: To enable easy maintenance, long life of a scintillator and measurement in a wide dynamic range, by providing the scintillator near the last stage of a secondary electron multiplier and selecting two measurement modes, high sens...
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JP62058536 |
PURPOSE: To reduce running time and scattering of electrons, by forming a plural number of inclined through holes in an insulating substrate, with their first hole surfaces composed of the first secondary electron releasing layers and wi...
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JP62040147 |
PURPOSE: To provide an ion detector of simple construction and high sensitivity, by adopting an ion-electron conversion method, and providing an electron repulsion electrode for causing secondary electrons emitted from an ion-electron co...
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JP61161643 |
PURPOSE: To cut the high voltage of the secondary electron photomultiplier for an electron rays detector and fully apply the output signals to the next stage amplifier by applying driving voltage to an anode during non-measurement period...
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JP61148383 |
PURPOSE: To enable the detection of pure signals alone, by holding a charged particle-electron converter at the earth potential while an exposure type photo electric multiplier is employed as photo electric multiplier. CONSTITUTION: A ch...
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JP61140048 |
PURPOSE: To simultaneously analyze positive and negative secondary ions by analyzing the negative secondary ions as they are, while analyzing the positive secondary ions after converting them to negative ions, and furthermore switching t...
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JP61140044 |
PURPOSE: To prevent a gain of a microchannel plate from being lowered after vacuum baking thereof as well as improve a life thereof by employing acid- soluble glass of a specific composition. CONSTITUTION: Glass element wires yielded by ...
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JP61140045 |
PURPOSE: To assure a sensitivity difference correction device capable of automatic sensitivity difference correction of a photomultiplier tube in correspondence with a change with the passage of time of the photomultiplier tube by estima...
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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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JP61096645 |
PURPOSE: To produce a low-cost multichannel-type detector the cross sectional shape of which can be freely adjusted by making many penetrating holes having a desired cross sectional shape formed by molding have a secondary electron emiss...
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JP61085747 |
PURPOSE: To extremely minimize deterioration in a secondary electron multiplica tion ratio due to use while being simple to manufacture by forming the secon dary electron emission surface while oxidizing the surface of an aluminum metal....
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JP61049361 |
PURPOSE: To improve the spacial resolution by providing channel of an incidence plane side and channels of an outgoing plane side in given directions, respectively, and forming each inner wall surface of the channels with a layer of an e...
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JP61042847 |
PURPOSE: To achieve improved response speed and sensitivity by installing a mesh electrode facing a photoelectric screen consisting of a curved surface symmetrical relative to the axis and rapidly accelerating photo-electrons to reduce t...
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JP61007553 |
PURPOSE: To produce with high resolution an electric signal for light incident upon a photoelectric converter by passing light emitted from a fluorescent film through a shutter array containing a photoelectrically effective element befor...
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JP61002253 |
PURPOSE: To enable the incidence position of secondary electrons to be detected with high accuracy by causing the secondary-electron-discharging surface of a final stage dynode to have uniform sheet resistivity and connecting electrodes ...
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JP60220542 |
PURPOSE: To make an incident position of light detectable in a highly accurate manner, by dividing a stratified electrode into plural regions, while adjusting an amplification degree in a dynode at every divided region after feeding oper...
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JP60207015 |
PURPOSE: To eliminate the effect of the fatigue and recovering phenomenon of a dynode, by controlling the amount of compensating light so that an average anode current becomes constant, thereby obtaining the stabilized gain. CONSTITUTION...
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JP60207014 |
PURPOSE: To prevent the yield of fatigue and recovery phenomenon of a dynode, by providing a light source, which imparts compensating light to a photomultiplier, and keeping the average current outputted by the photomultiplier constant. ...
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JP60196693 |
PURPOSE: To make it possible to accurately perform the pulse counting of charged particles or X-rays, by applying pulse charge corresponding to the incident amount of chaged particles to a Pockels element and converting the emitting quan...
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