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JP6346965B2 |
Provided is a time-of-flight mass spectrometer including: an ionization part receiving electron beams to thereby emit ions; a cold electron supply part injecting the electron beams to the ionization part; an ion detection part detecting ...
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JP6343206B2 |
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JP6340119B2 |
The present invention relates to a low-resistance MCP with an expanded dynamic range and excellent environment resistance, in comparison with the conventional technology. The MCP has a double structure composed of hollow first cladding g...
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JP6340102B1 |
To provide a microchannel plate and an electron multiplier capable of improving gain while suppressing deterioration of gain with time. A microchannel plate 10 is formed on a substrate 11 having an input surface 11a and an output surface...
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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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JP6272028B2 |
A secondary electron multiplier includes: a conversion dynode for emitting a secondary electron in response to an incident ion; a plurality of dynodes configured to have multi-stages from second to final stages for receiving the secondar...
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JP6257622B2 |
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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JP2017534161A |
Provided are the interior of a photomultiplier tube (PMT) having a reflective photocathode array and a method of manufacturing it. Inside the PMT, there is a reflective photocathode array and at least one dynode structure corresponding t...
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JP6226865B2 |
The present invention relates to a low-resistance MCP with an expanded dynamic range and excellent environment resistance, in comparison with the conventional technology. The MCP has a double structure composed of hollow first cladding g...
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JP6220780B2 |
The present invention relates to an MCP with sufficient physical strength and high detection efficiency. The MCP has a double cladding structure composed of first cladding glasses each of which has a through hole serving as a channel, an...
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JP6211515B2 |
The present invention relates to a low-resistance MCP with an expanded dynamic range and excellent environment resistance, in comparison with the conventional technology. The MCP has a double structure composed of hollow first cladding g...
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JP6208951B2 |
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JP6166029B2 |
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JP6163066B2 |
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JP6163067B2 |
To provide an MCP unit that has a structure for implementing a stable time response characteristic independent of an external environment, an MCP detector including the MCP unit, and a time-of-flight analyzer including the MCP detector.T...
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JP6163068B2 |
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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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JP6151505B2 |
In a photodetection unit 100 according to one aspect of the present invention, a photomultiplier 1 and a voltage divider board 132 are electrically connected to each other through a flexible wiring board 120, whereby the photomultiplier ...
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JP6138686B2 |
An electron multiplier for a system for detecting electromagnetic radiation or an ion flow is disclosed. The multiplier includes at least one active structure intended to receive a flow of incident electrons, and to emit in response a fl...
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JP6121681B2 |
An MCP unit of the present invention has a triode structure with a structure to achieve a desired time response characteristic independent of restrictions from a channel diameter of MCP, and is provided with an MCP group, a first electro...
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JP6103678B2 |
To provide an electron detection device and an electron detection method, by which an electron from a sample is almost completely detected and an output current in proportion up to a large input current by reducing influence by multiplie...
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JP6097201B2 |
A microchannel plate includes a substrate defining a plurality of pores extending from a top surface of the substrate to a bottom surface of the substrate. The plurality of pores includes a resistive material on an outer surface that for...
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JP2017027939A |
To provide a miniature quadrupole array gas sensor that can detect gas ions of interest at lower concentrations.A quadrupole array gas sensor 100 includes a first chamber 102 containing a plurality of evenly spaced rods 112a to n having ...
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JP6068009B2 |
A digital photosensor that includes a photomultiplier tube (PMT) including a power distribution circuit, the PMT outputting an analog signal in response to received light; an analog-to-digital converter (ADC) to receive the analog signal...
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JP6059554B2 |
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JP6029551B2 |
To provide a gas electron multiplier and a gas electron multiplication device, capable of improving resolution thereof.A gas electron multiplier includes: an insulation layer made of aluminum anode oxide film and having a plurality of th...
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JP2016186939A |
To improve the lifetime of a microchannel plate.A microchannel plate includes a hydrogen-rich polymer substrate defining a plurality of channels 280 extending from the top face to the bottom face of a substrate, and a neutron interacts w...
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JP5981820B2 |
In a micro-channel plate, an electron emission film and an ion barrier film formed on a substrate are integrally formed by the same film formation step. In this structure, the electron emission film and the ion barrier film are made as c...
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JP5956292B2 |
In an electron tube, an electrical resistance film having a stacked structure of electrically insulating layers and electrically conductive layers is formed on holding surfaces of bases in insulating substrates. This electrical resistanc...
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JP5948249B2 |
An underlayer is formed on a side wall 101a of a through hole 101 out of the side wall 101a of the through hole 101 and a substrate main surface, with a main surface having a low adhesion to a conductive layer disposed as an upper surfac...
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JP5917504B2 |
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JP5900631B2 |
Every time a target sample is injected from an injector (12) of an LC unit (1) and a mass spectrometry for a target component in the sample is performed, a CD voltage applied to a conversion dynode of an ion detector (29) is switched. Fo...
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JP5899187B2 |
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JP5865527B2 |
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JP5855577B2 |
A conductive layer formation prevention member is provided in advance inside a through-hole (101) to prevent the formation of a conductive layer in the through-hole (101), after which a conductive layer is formed on the main surface of a...
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JP5829460B2 |
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JP5827076B2 |
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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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JP2015185222A |
To provide a photoelectric conversion device having high resolution.A photoelectric conversion device has a photoelectric converter, a voltage applying part and a detector. The photoelectric converter has a light permeable first conducti...
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JP5789021B2 |
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JP5784873B2 |
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JP5771447B2 |
An electron multiplier 100 includes an insulating substrate 11 which includes an electrical wiring pattern 20 and in which a through-hole 16 is formed, an MCP 12 arranged on one side of the through-hole 16 of the insulating substrate 11 ...
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JPWO2013141400A1 |
It is used in the detector (1) that measures ionized electrons using electron avalanche amplification in gas, and the plate-shaped member (11) is provided with a plurality of through holes (14) arranged in two dimensions. The plate-shape...
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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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JP2015037832A |
To provide a fixture which is used in a microsystem and especially enables self-matching packaging and fixation of a micro-channel plate in a reversible way.A micro fixture includes a fixture and a micro-channel plate, and the fixture is...
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JP5645829B2 |
A signal processing device includes amplifiers that are capable of amplifying detected signals using amplification factors that are different from each other; A/D converters that sample plural signals amplified by the amplifiers using th...
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JP5597572B2 |
To provide a charged-particle detector and a time-of-flight mass spectrometer capable of preventing a detection error due to secondary electrons generated at a grid electrode arranged on the upstream side in the incident direction of ion...
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JP5582493B2 |
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JP5574304B2 |
An active detector and methods for detecting molecules, including large molecules such as proteins and oligonucleotides, at or near room temperature based on the generation of electrons via field emission (FE) and/or secondary electron e...
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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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