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JP3078905B2 |
PURPOSE: To improve the electron collecting efficiency by making the braking electric field enter inside of through holes of a dynode sufficiently. CONSTITUTION: In an electron tube provided with an electron multiplier for multiplying th...
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JP2000510601A |
(57) [Summary] A video display system using a photomultiplier tube (14) with a video source (12) and a substrate (18). The video image source (12) is located on the substrate to provide the photon signal (22). The photocathode element (3...
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JP2000223008A |
To increase degree of freedom for handling, improve productivity, and provide good characteristic with good reproductivity, by forming zinc oxide particles having respective independent structures on a substrate in an electrochemical met...
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JP2000509543A |
A particle and photon detector includes a body having a beam-incident surface (8) capable of releasing secondary electrons in numbers proportional to the number of particles incident on the surface, and a plurality of secondary electron ...
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JP3059483B2 |
A channel electron multiplier phototube having a channel electron multiplier, a transparent faceplate, and an anode assembly. The channel electron multiplier includes an insulating body having a curved passageway extending therethrough. ...
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JP3056771B2 |
An electron multiplier tube including grid type of plural dynode arrays (6) arranged in a first direction with a multistage structure for successively multiplying electrons incident on them and an anode (4) provided below the multistage ...
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JP3056762B2 |
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JP3054032B2 |
Support electrodes (16) are provided for individually supporting a plurality of dynodes (14) arranged inside of a vessel (11) of an electron tube, such as photomultiplier tube. A black spacer (17) formed from a ceramic material is dispos...
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JP2000156153A |
To obtain electronic-electric components and optical components superior in mass productivity and cost by applying a magnesium compound fine-grain contained solution onto a board, and having the coated film irradiated with activated ener...
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JP3040242B2 |
PURPOSE: To prepare the sensitivity calibration curve of an electron multiplier in a short time with high efficiency. CONSTITUTION: A specimen is set in a mass analyzer. An initial voltage V0 is applied to an electron multiplier. Then, m...
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JP2000113851A |
To provide an electron multiplier tube having electron multiplier faces with a high secondary electron emission factor, a multi-channel plate and their manufacturing method.This electron multiplier tube is constituted of a plate-like ins...
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JP3034105B2 |
PURPOSE: To improve the first step dynode of a photomultiplier. CONSTITUTION: The first step dynode 161 is arranged in the inside of a vacuum vessel 11 and also supporting an evaporation source of antimony in a position of facing both a ...
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JP2000090874A |
To provide a photomultiplier tube capable of easily and inexpensively forming a light incident part in a side tube part of a vacuum container. A vacuum container 1 of a photomultiplier tube 100 is constituted of a substantially sectional...
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JP2000090875A |
To provide a photomultiplier tube capable of simplifying a setting for a photo-measurement. In a photomultipliler tube 100, a recess 10a for guide insertion for inserting a cylindrical pipe for a vacuum optical path which is connected wi...
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JP2000067801A |
To provide a photomultiplier tube unit and a radiation detection device, in which photomultiplier tubes are densely arranged to improve light detection efficiency. In a photomultiplier tube unit A, an outer peripheral surface 2b of a met...
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JP2000011945A |
To provide an MCP(microchannel plate) and a secondary electron amplification device that can provide high secondary electron amplification, with a simple structure. A layer of a secondary electron emission metal 14 is formed on the insid...
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JP2000500275A |
PCT No. PCT/IL96/00149 Sec. 371 Date Jul. 29, 1998 Sec. 102(e) Date Jul. 29, 1998 PCT Filed Nov. 13, 1996 PCT Pub. No. WO97/18579 PCT Pub. Date May 22, 1997The invention provides a low-vacuum mass specrometer for use as gas analyzer, inc...
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JP2983025B2 |
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JP2963393B2 |
To provide a voltage dividing circuit for a photomultiplier capable of significantly adjusting an electron multiplication factor of the photomultiplier simply and with low power consumption without degrading collection efficiency and out...
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JP2941325B2 |
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JP2923395B2 |
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JP2925020B2 |
A venetian-blind type of photomultiplier tube comprising a photocathode (3) for converting incident light into photoelectrons, a venetian-blind type of dynode array (5) comprising a plurality of dynode rows (51,52,...5n) arranged one aft...
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JP2916900B2 |
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JPH11162342A |
To provide the manufacturing method of multiple electrodes, with which electrodes can be accurately arranged at a high density. Manufacturing method of multiple electrodes is formed of a first process for arranging plural electrode wires...
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JPH11160438A |
To provide a particle detector for an electron microscope and a mass analyzer, etc. A single plate electron multiplier 2 like a microchannel plate or microspherical plate behind which a scintillator 4 is positioned is included. The elect...
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JP2899636B2 |
Reduced ion feedback in an electron multiplier (EM) (80) is achieved by applying a higher than normal bias voltage (84) to the EM and degassing the EM with a relatively high concentration of self-generated particles as a result of the ap...
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JPH11102657A |
To provide a photo-detecting tube which selectively detects only the light of wavelength near 125 nm. The detecting tube 1 is provided with an incidence window 3 and a photocathode 5, the incidence window 3 is made of MgF2, and the photo...
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JPH11102658A |
To provide a photo-detecting tube which selectively detects only the light of wavelength near 360 nm. A photo-detecting tube 1 is provided with an incidence window 3 and a photocathode 5, the incidence window 3 is made of covar glass, an...
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JPH11102659A |
To provide a photo-detecting tube which selectively detects only the light of wavelength near 170 nm. A photo-detecting tube 1 is provided with an incidence window 3 and a photocathode 5, the incidence window 3 is made of quartz glass, a...
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JPH11102656A |
To provide a photo-detecting tube which selectively detects only the light of wavelength near 250 nm. A photo-detecting tube 1 is provided with an incidence window 3 and a photocathode 5, the incidence window 3 is made of ozone free quar...
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JPH11102660A |
To provide a photo-detecting tube which selectively detects only the light of wavelength near 185 nm. A photo-detecting tube 1 is provided with an incidence window 3 and a photocathode 5, the incidence window 3 is made of quartz glass, a...
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JPH1167145A |
To improve cooling efficiency, while preventing the dispersion of heat used to extract cooling in a support member by supporting a support board with support board supporting projections provided in a notch part, so as to reduce a contac...
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JPH1167144A |
To provide a photomultifier tube with improved cooling efficiency. Indium material 100 is filled between a grasping mechanism 13 and a jointing strip 5A, so that cooling efficiency of a supporting board 5 by a cooling unit 21 can be enha...
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JP2589953Y2 |
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JP2840853B2 |
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JPH10512087A |
A focused electron/bombarded hybrid photomultiplier tube comprising a photocathode, focusing electrodes, and a collection anode disposed in a detector body. The collector anode includes a diode for receiving the focused output electron b...
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JPH10283979A |
To provide an electron detector on which a sample for observation can be placed directly. A conversion member 12 having a metallic thin plate (or thin film) 12b is mounted in an opening 2a in a bottomed cylinder 2, and a microchannel pla...
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JPH10283978A |
To provide an electron detector on which a sample for observation can be placed directly. An electron-to-light conversion member 12 comprising a phosphor plate 12a coated with a metallic thin film 12b is mounted in an opening 2a in a bot...
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JP2812452B2 |
Channel plates for image intensifier tubes have an end-spoiling that continues into the channels over at least a distance greater than twice the channel diameter. In the channels the thicknesses of the end-spoiling decrease with increasi...
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JP2810629B2 |
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JP2803889B2 |
Photomultiplier tube comprising a photocathode (10), focusing electrodes (12,12') and a focusing multiplier structure (20), of large entrance area relative to the photocathode and comprising, at least, one entrance dynode (21). According...
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JP2801266B2 |
Photomultiplier tube (10) comprising a photocathode (20), a first cylindrical dynode (30), an electron multiplier device (40) of the "leaf" type, and a device (50) for coupling the first dynode (30) to the multiplier device (40). Accordi...
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JPH10241623A |
To provide an electronic tube which has good airtightness and is suitable for mass production. In this electronic tube, indium 23 is arranged sticked to an inner circumferential surface of a metallic support body 24 for sealing, disposed...
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JP2796046B2 |
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JP2786821B2 |
A driving circuit for an electron multiplying device is provided which provides sufficient dynamic range and input-output linearity characteristic and reduces power loss to a greater extent. A cathode is set to a voltage substantially eq...
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JPH10214588A |
To provide an electron multiplier which can be reduced in size and is excellent in earthquake resisting property. In an electron multiplier 1, an electron multiplying portion 7 housed inside of a bulb body 2 is held on both sides thereof...
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JPH10214589A |
To provide an electron multiplier having high resistance against a mechanical shock and high reliability. In an electron multiplier 1, in consideration that a glass bulb body 2 is fixed to a stem 5 and stem pins 10 are secured to the ste...
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JPH10172503A |
To provide a photomultiplier which can simultaneously reduce a size and a thickness. A photomultiplier 10 comprises: an incident window 12; a reflection type photocathode 40 in which an electron excited by an incident light to be measure...
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JP2758529B2 |
PURPOSE: To provide a highly sensitive reflection type photoelectric surface in high yield by accumulating a layer on an Al thin film formed on a backing substrate in a prescribed thickness, and activating it by means of alkaline metal. ...
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JPH10134763A |
To provide an electron multiplier capable of simultaneously loading a plurality of samples and easily recording and checking a specified sample. An electron multiplier is provided with a sample boundary material 20 that is divided by a b...
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