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JP6941525B2 |
To provide a manufacturing method of an electronic tube, capable of easily manufacturing an inner structure of an electronic tube.A first member 30 and a fixture 20 in which a convex part 22 detachably holding a penetration member 3 whil...
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JP2021150068A |
To provide a photocathode whose quantum efficiency is improved and which can be manufactured efficiently, and a manufacturing method of the same.A photocathode 1 includes a substrate 100, a photoelectric conversion layer 400, which is pr...
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JP6918936B2 |
The invention relates to photocathode assemblies of vacuum photoelectronic devices operating in the ultraviolet spectrum region and comprising a photocathode based on gallium nitride compounds, and can be used in the design of proximity-...
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JP6893881B2 |
The invention relates to a photocathode including an input window (210) suitable for receiving a flow of incident photons, and an active layer (230), the active layer consisting of a plurality of elementary layers (2301, 2302) made of se...
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JP6889062B2 |
To provide an ultraviolet sensor in which a limit sensitivity wavelength is expanded to 280 nm or more.Cupronickel is subjected to rolling treatment (S101). Copper is deposited on a surface of the cupronickel having been subjected to the...
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JP6831884B1 |
To provide an electron tube unit and an electron tube socket capable of stably guiding correction light to a photoelectric surface. A photoelectron multiplying tube unit 1 accommodates a photoelectric surface 21 that emits photoelectrons...
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JP6827427B2 |
A photocathode utilizes an field emitter array (FEA) integrally formed on a silicon substrate to enhance photoelectron emissions, and a thin boron layer disposed directly on the output surface of the FEA to prevent oxidation. The field e...
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JP2020181784A |
To provide an optical communication module and an optical communication system that can prevent deterioration in the reception state of an optical signal and reduction in communication speed.An optical communication module 10 includes: a...
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JP6780649B2 |
A radiation image forming apparatus includes a detection unit including a Compton camera including a radiation detection device that includes a plurality of pixels, each configured to detect an electron generated by the track of a recoil...
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JP6758404B2 |
A multi-channel photomultiplier tube (PMT) detector assembly includes a photocathode. The detector assembly includes a first dynode channel including a first set of dynode pathways. The first set of dynode pathways include a plurality of...
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JP6734738B2 |
A main body portion includes a first plate-shaped member and a second plate-shaped member that are stacked on each other in a second direction to form a first channel and a second channel, the first plate-shaped member includes a first f...
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JP6595074B2 |
A photocathode is formed on a monocrystalline silicon substrate having opposing illuminated (top) and output (bottom) surfaces. To prevent oxidation of the silicon, a thin (e.g., 1-5 nm) boron layer is disposed directly on the output sur...
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JP2019517727A |
The present invention provides a device for amplifying an electron signal generated by collision of particles with an electron emitting surface. The device is configured to receive input particles, thereby emitting one or more secondary ...
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JP6431574B1 |
To provide an electron tube capable of surely obtaining a desired temporal characteristic. An electron tube 1 has a photoelectric surface 3 that emits electrons according to light, an avalanche photodiode 6 arranged so as to face the pho...
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JP6419572B2 |
The present invention improves sensitivity of the ultraviolet band of a photoelectric surface. A photoelectric surface 1 includes a window material 2 that transmits ultraviolet rays, a conductive film 3 that is formed on the window mater...
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JP6401834B1 |
To provide a transmissive photocathode and an electron tube capable of suppressing the occurrence of defects in the light transmissive conductive layer even when a single layer graphene is used as the light transmissive conductive layer....
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JP6328225B2 |
A system for inspecting a sample including a detector, either a photomultiplier tube or an electron-bombarded image sensor, that is positioned to receive light from the sample. The detector includes a semiconductor photocathode and a pho...
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JP6170702B2 |
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JP6159723B2 |
The detection device (1) has a detector (5) and a cooling component (11) arranged in a housing (4). A light path (2) for the material to be detected is fixed by the cooling component. The cooling component is designed as thermally conduc...
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JP2017084505A |
To provide a vacuum switch in which malfunction due to noise is prevented.A vacuum switch 1 comprises: a photocathode 34 having a diamond layer; a facing anode 38; and a light irradiation device 10. The diamond layer of the photocathode ...
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JP6093557B2 |
A reflecting member made from a tube-shaped member has an inner peripheral surface that structures a reflecting surface on an axis of the tube-shaped member. A slope, relative to the axis, of a tangent line of the inner peripheral surfac...
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JP6066799B2 |
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JP5943321B2 |
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JP5899187B2 |
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JP5865527B2 |
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JP5832948B2 |
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JP5800264B2 |
A photo-detector and method for operating same: the photo-detector comprises a photomultiplier tube comprising a plurality of electrodes, each having a photocathode, an anode, a first dynode, intermediate dynodes and a last dynode; and a...
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JP5784873B2 |
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JP5735321B2 |
To provide a high voltage circuit for photodetector used in a photodetector for photometry which can be made compact while ensuring safety.The high voltage circuit 10 for photodetector which supplies a high voltage power to a photomultip...
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JP5600276B2 |
A method for detecting radiation. The radiation detector includes a plurality of Faraday cups. Each Faraday cup being provided with a cover. Each cover comprising a window arrangement through which the radiation may pass into the Faraday...
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JP5563869B2 |
In the photocathode, an underlayer made of a crystalline material containing La2O3 is provided between a supporting substrate and a photoelectron emission layer, and is in contact with the photoelectron emission layer. Therefore, for exa...
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JP5542259B2 |
In an optical sensor device employing an amorphous silicon photodiode, an external amplifier IC and the like are required due to low current capacity of the sensor element in order to improve the load driving capacity. It leads to increa...
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JP5537135B2 |
A photoelectric conversion device in accordance with an aspect of the present invention includes a thin-film transistor formed on a substrate, and a photo diode electrically connected to the thin-film transistor, wherein the photo diode ...
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JP2014071009A |
To provide an ultraviolet detection discharge tube in which deformation is prevented from occurring in an electrode plate.When external force is applied to a lead wire and then stress is applied so that the lead wire is deviated from an ...
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JP5430810B2 |
A low light level system is described wherein electrons, created by images directed to a photocathode (31), directly bombard active pixel sensors. Both the active pixel sensors and the output end of the photocathode are positioned in a v...
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JP5391330B2 |
a photomultiplier tube comprises a photocathode (14), an electron multiplier (10), an electron collector (11), and a power lead (12), wherein the photocathode (14) and the electron multiplier (10) are disposed in a sealed transparent vac...
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JP5342769B2 |
The present invention relates to a photocathode (1A) having a structure to dramatically improve the effective quantum efficiency in comparison with that of a conventional art, an photomultiplier and an electron tube. The photocathode com...
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JP5322635B2 |
A novel photocathode employing a rectifying junction is described that permits color imaging extending applications for photocathodes in a variety of instruments and night vision devices.
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JP5308078B2 |
The present invention aims at providing a photocathode which can improve various characteristics. In a photocathode 10, an intermediate layer 14, an underlayer 16, and a photoelectron emission layer 18 are formed in this order on a subst...
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JP2013191427A |
To provide an electronic tube which allows for further enhancement in reliability.A filter 12 not transmitting an ultraviolet ray is provided at a position in the top plate 112 of a glass tube 11 facing a second electrode pair 16. Since ...
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JP5291378B2 |
A photocathode apparatus is constructed by a transparent body adapted to receive incident light, and a metal cover layer formed on a surface of the transparent body. The incident light reaches an incident/reflective surface of the metal ...
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JP5190600B2 |
A photosensor is provided, which includes: a light receiver receiving an external light and generating a photovoltage corresponding to an amount of the received light; a voltage selector selectively outputting the photovoltage and a refe...
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JP5135114B2 |
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JP5069404B2 |
A sensor arrangement, especially part of a light reflecting beam unit, comprises a carrier (1) on which a photo diode (3), primary (4) and secondary (5) light diodes are located, and a housing (6). The secondary light diode is arranged s...
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JP5000216B2 |
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JP5000137B2 |
The present invention relates to a photomultiplier having a structure for making it possible to easily realize high detection accuracy and fine processing, and a method of manufacturing the same. The photomultiplier comprises an enclosur...
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JP2012516023A |
Techniques are disclosed for improving the quantum efficiency of photocathode devices. The techniques allow for an increase in the optical thickness of the photocathode device, while simultaneously allowing for an increase in the probabi...
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JP2012511711A |
A photon detecting device including a sensor including a vacuum chamber, a photocathode arranged therein to convert photons to primary electrons, a converter converting at least part of the energy of accelerated primary electrons to seco...
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JP4939033B2 |
A semiconductor photocathode 1 includes: a transparent substrate 11; a first electrode 13, formed on the transparent substrate 11 and enabling passage of light that has been transmitted through the transparent substrate 11; a window laye...
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JP4926504B2 |
A photoelectric element 10 includes a substrate 12 that transmits incident light, an intermediate layer 14 made of HfO 2 , an under layer 16, and a photoelectron emitting layer 18 containing an alkali metal. That is, the photoelectric el...
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