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JP2001273867 |
To provide a micro channel detector of a simple structure. An anode electrode 21 is disposed on the output side of MCP 20, a dielectric member 23 is sandwiched between the anode electrode 21 and a ground electrode 22, a signal based on t...
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JP2001256908 |
To provide a plane X-ray image tube for forming observation images with no change of a space between metal plates for an electronic multiplication apparatus and no decrease in resolution due to distortion of the metal plates.The X-ray im...
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JP2001233694 |
To provide a polycrystalline diamond thin film having a high photovoltaic quantum efficiency, and to provide a photoelectric cathode and an electron tube which are equipped with the polycrystalline diamond thin films, respectively.This p...
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JP2001229862 |
To provide a flat-surface-type X-ray image tube for providing an observation image having both a good resolution and a good contrast.An X-ray image detector 1 has an electron duplator 5 where an (n-1)-th stage of metal plate 54 positione...
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JP3220245 |
PURPOSE: To provide a high-sensitive photomultiplier capable of effectively utilizing light entered in a light incident window. CONSTITUTION: In a head-on type photomultiplier in which one side end surface of a translucent glass bulb 1 i...
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JP3216944 |
PURPOSE: To provide a reflex type photoelectric tube of such a structure as embodied in a small size, suitable for massproducing and unlikely to go into breakage, while a sufficient sensitivity for incident beam of light is maintained. C...
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JP2001202873 |
To provide a cathode for photoelectron or secondary electron emission in which quantum efficiency, more particularly red color sensitivity can be improved and the spectrophoto sensitivity or secondary electron emission property can be im...
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JP3215486 |
PURPOSE: To provide a photomultiplier capable of realizing the remarkable noise reduction, the reliable prevention of deterioration of an electron multiplier the prevention of generation of a gas at the time of fusing a glass and the rem...
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JP2001196023 |
To provide a photomultiplier having improved anode assembling while an insulation substrate is prevented from static change, and mutually disposing anode plates with high density. In this photomultiplier, each anode plate 21 can easily b...
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JP2001155669 |
To provide an X-ray image detector that allows reducing the total size of an apparatus attached to an X-ray image tube and providing a visible image or an electrical image without distortion.The X-ray image detector 1 of the invention is...
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JP2001135267 |
To constitute a radiation converter with radiation absorber for generating photons in relation to intensity of the colliding radiation, so as to induce a signal that generates a well diagnosable image signal in a signal processing unit c...
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JP3186812 |
PURPOSE: To obtain a secondary electron multiplier, which can switch the gain by only changing the voltage to be applied to some electrodes among the whole, by arranging electrodes for generating secondary electron in multiple lines. CON...
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JP3179537 |
PURPOSE: To lessen the dark current in a photomultiplier including a photoelectric surface, a multiplier for multiplying the photoelectrons emitted therefrom, and an anode electrode for collecting electrons, by providing a substrate ther...
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JP2001093407 |
To provide a semiconductor photoelectric cathode having a wavelength classifying function, and an optical detector and an optical detection equipment using the semiconductor photoelectric cathode. A semiconductor photoelectric cathode ac...
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JP3154831 |
PURPOSE: To provide an inductively coupled plasma mass spectrometer capable of measuring the stable dual mode by easily changing the gain of a secondary electron multiplier tube at a high speed. CONSTITUTION: An inductively coupled plasm...
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JP2001010842 |
To provide an easily producible lead silicate glass having good thermal stability and settable to have low surface resistance, a secondary electron multiplier manufactured by using the glass and a process for the production of the glass....
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JP2000357449 |
To allow film formation on low softening substrate or low melting- point substrate and provide a photoelectric surface with high quantum efficiency, by making the photoelectric surface or emitting photoelectrons with incident light out o...
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JP2000357487 |
To implement automatic inspection of inconvenience in wirings such as contact failure while the condition is kept the same as at service.A control part 23 turns on a switch 21 in the condition that ions are not generated so that a high v...
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JP2000356594 |
To expand a dynamic range without extending measurement or averaging time by selecting output from a discriminator/counter or an electric charge integrator or output from the linear combination of both of them based on the intensity of a...
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JP3133167 |
PURPOSE: To realize a highly sensitive induction coupling plasma mass spectroscope without shortening the life of a secondary photomultiplier tube. CONSTITUTION: An induction coupling plasma mass spectroscope excites a sample using a hig...
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JP2000311649 |
To prolong a life until replacement is required by providing a plurality of conversion dynodes, and providing a switching means selecting to which conversion dynode a high voltage should be applied. A transfer switch 7 selects a conversi...
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JP2000306544 |
To provide a photomultiplier capable of restraining generation of noise caused by a bridge remaining part. An etching technique is used in forming photomultiplier holes 8 on plate-shaped dynodes 8 laminated into multi stages, in a photom...
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JP2000284060 |
To simultaneously measure the intensity of incidence X rays and that of electrons being discharged from a sample and to obtain a detector for freely narrowing an incidence X-ray area to a sample surface, by providing the detector for det...
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JP2000275102 |
To provide an accurate scintillation counter. A liquid scintillation counter 10 comprises an HPD 24, a charge amplifier 26, a voltage amplifier 28, a comparator 30, a counter 32, a multi-channel analyzer 34, a CPU 36, a display 38 and th...
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JP3104758 |
PURPOSE: To facilitate alignment of channel holes and reduce the cost for fabricating a large area plate by joining micro-channel plates in lamination at a low temp. under ultra-high vacuum while a voltage is impressed between electrocon...
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JP2000223008 |
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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JP2000156153 |
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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JP2000149863 |
To provide a photomultiplier tube having improved simplicity of installation and wide usability, a photomultiplier tube unit having improved assembly workability of the photomultiplier tube at the time of forming a unit, and a radiation ...
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JP2000149861 |
To provide a photomultiplier tube and a photomultiplier tube unit having an improved effective utilization area of a light-receiving face plate, and an enlarged fixing region of a bypass line on the light-receiving face plate, and to pro...
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JP2000149862 |
To provide a photomultiplier tube having an improved yield at the time of manufacturing and an improved airtightness of a sealed container by improving integration between bypass lines and a light-receiving face plate, and its manufactur...
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JP2000149860 |
To provide a photomultiplier tube having a greatly-improved effective utilization area of a light-receiving face plate, and improved airtightness of a sealed container by improving integration between a bypass line and the light-receivin...
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JP2000113851 |
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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JP2000090874 |
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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JP2000090875 |
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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JP2000067801 |
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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JP2000011945 |
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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JP2000003693 |
To provide an electron tube capable of preventing deterioration of sensitivity of a photocathode and stable output for a long time, in the case where the photocathode and a photomultiplier part are provided. An ion confinement electrode ...
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JP11345587 |
To implement further miniaturization by abutting the lower end of the side tube of a sealed container that extends nearly in the tube axis direction on the upper surface of a stem plate and welding the side tube to the stem plate while a...
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JP11345588 |
To implement further miniaturization by abutting the inside wall surface at the lower end of the side tube of a sealed container on an edge surface of a stem plate and then welding the side tube to the stem plate. When a stem plate 14 is...
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JP11329339 |
To provide a photomultiplier tube and a spectrometer having a high- precision spectro-characteristic. This photomultiplier tube 1 is constituted by firmly fixing a filter member 20 additionally to a light receiving face plate 3, rather t...
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JP11329338 |
To provide a compact electron tube device with stem pins, in which the photoelectric surface is efficiently cooled, and dew condensation is prevented, further operability is improved. A photomultiplier tube 10 and a Peltier element 30 co...
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JP11329340 |
To provide a light quantity detector having a wide dynamic range of light quantity detection. A current signal output from an anode 12 of a photomultiplier tube 10 is converted into a voltage signal V1 by a current-voltage converting par...
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JP11297191 |
To provide a photoelectric cathode with good sensitivity in an infrared region and an electron tube using it. A photoelectric cathode is formed to emit photoelectrons corresponding to an incident light in a infrared region. In this case,...
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JP11250853 |
To provide a photomultiplier of simple structure which is of a simple structure, which comprises a less number of part items, and which can be easily assembled. In a photomultiplier 1, a partition plate 9 is disposed to be adjacent to a ...
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JP11233000 |
To provide a photoelectric cathode which absorbs light rays to be detected with a wavelength of 225 nm or longer and emitting photoelectrons to vacuum and to provide an electron tube provided with the photoelectric cathode. This photoele...
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JP2963393 |
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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JP11162342 |
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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JP11160438 |
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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JP11102660 |
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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JP11102659 |
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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