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JP2021177480A |
To provide an ion detector of which the lifetime is prolonged.An ion detector 5 comprises a first dynode 10, a second dynode 20, a scintillator 40, a conductive layer 46 and a photomultiplier tube 50. The first dynode 10 emits charged pa...
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JP6965448B2 |
Apparatuses and methods as described herein can be used to help stabilize the gain of a semiconductor-based photomultiplier. In an embodiment, an apparatus can include a semiconductor-based photomultiplier. The apparatus can be configure...
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JP6959882B2 |
The present embodiment relates to an ion detector provided with a structure for suppressing degradation over time in an electron multiplication mechanism in a multi-mode ion detector. The ion detector includes a dynode unit, a first elec...
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JP6958827B1 |
To easily obtain desired characteristics even when a light-transmitting conductive layer is provided as a base between a light-transmitting substrate and a photoelectric conversion layer. A photocathode includes a light-transmitting cond...
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JP6938297B2 |
To provide a mass spectroscope by which mass spectra high in both of SN ratio and mass resolution can be obtained in a short time.A mass spectroscope 1 comprises: a laser light source 10; an intensity regulating part 20; a TOF tube 30; a...
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JP6899868B2 |
A channel electron multiplier having a high aspect ratio and differential coatings along its channel length is disclosed. The elongated tube (12) has an input end (14), an output end (16), and an internal surface (18) extending along the...
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JP6889169B2 |
An apparatus for providing a magnetic field includes a magnet having a surface, and a structure disposed above the magnet surface. The structure includes a material of high magnetic permeability. The apparatus provides an interface betwe...
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JP6889772B2 |
Devices, systems and methods including a spray chamber are described. In certain examples, the spray chamber may be configured with an outer chamber configured to provide tangential gas flows. In other instances, an inner tube can be pos...
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JP6875217B2 |
The present embodiment relates to an electron multiplier having a structure configured to suppress and stabilize a variation of a resistance value in a wider temperature range. The electron multiplier includes a resistance layer sandwich...
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JP6817160B2 |
The present embodiment relates to an electron multiplier having a structure configured to suppress and stabilize a variation of a resistance value in a wider temperature range. In the electron multiplier, a resistance layer sandwiched be...
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JP6818815B1 |
To provide an electron tube in which a voltage is stably applied to an electron emitting plate which emits electrons in response to an incident of electromagnetic waves. The electron tube 1 is arranged inside a housing 10 having a window...
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JP6790141B2 |
A photomultiplier tube for use in an imaging plate scanner. In one embodiment, the photomultiplier tube includes a housing having a window; a focusing electrode located in the housing; an electron multiplier dynode located in the housing...
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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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JP2020129441A |
To effectively improve a quantum efficiency of a photoelectric surface in the case where light to be detected is non-parallel light.An electron tube 1A comprises: a vacuum container 7 including a light transmissive substrate 3; a photoel...
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JP6738244B2 |
An electron multiplier production method including a main body portion, and a channel provided in the main body portion to open at one end surface and the other end surface of the main body portion and emits secondary electrons includes ...
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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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JP6734449B1 |
To provide an ion detector or the like capable of reducing a dark current which is a noise component. The ion detector having an electron multiplier is electrically connected to a shield structure in which a potential gradient spreading ...
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JP6733819B2 |
Measurement of a standard sample is repeated under control of an analysis control unit (94) while a CD voltage applied to a conversion dynode (61) of a detection unit (6) is gradually changed by a CD voltage adjustment unit (96). Then, e...
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JP2020522087A |
The present invention generally relates to components of scientific analytical instruments and complete instruments of analytical instruments. More specifically, the present invention relates to devices and methods useful for detecting i...
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JP2020518996A |
Embodiments of the present invention describe the formation of current sources, light sources, and ozone generators by using a coated double dielectric barrier discharge (CDDBD) system. The system for generating an electric charge may in...
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JP6695387B2 |
A first-stage dynode is a first-stage dynode to be used in a photomultiplier tube, and includes a bottom wall portion and a pair of side wall portions extending from both end portions of the bottom wall portion in a predetermined directi...
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JP6694033B2 |
To provide a manufacturing method of an electron multiplier body capable of improving workability of a channel, a photoelectron multiplier tube and a photoelectron multiplier.A manufacturing method of an electron multiplier body 2 includ...
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JP6676383B2 |
An embodiment of the invention relates to a TOF-MS capable of performing mass spectrometry of a sample at a high throughput. The TOF-MS has an acceleration part for accelerating an ion, a detector for detecting an event of arrival of the...
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JP6677571B2 |
To provide an electron spectroscopic device which can shorten a time required for collecting spectra.An electron spectroscopic device 100 comprises: an energy spectroscope unit 30 operable to spectrally diffract electrons emitted from a ...
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JP6576598B1 |
A photomultiplier tube based on the self-expanding focusing electrode (102) and the self-expanding focusing electrode. In the sealing process of the photomultiplier tube, the self-expanding focusing electrode contacts the trigger mechani...
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JP6535250B2 |
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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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JP6515749B2 |
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JP6508140B2 |
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JP6496217B2 |
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JP6475916B2 |
A microchannel plate includes a substrate defining a plurality of channels extending from a top surface of the substrate to a bottom surface of the substrate. A resistive layer is formed over an outer surface of the plurality of channels...
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JP6474281B2 |
An electron multiplier body including a main body portion, an electron incidence portion, and a channel, in which the channel includes a first inner surface and a second inner surface facing each other, the first inner surface includes a...
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JP6474992B2 |
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JP6462526B2 |
The present embodiment relates to a charged-particle detector, etc. provided with a structure for effectively suppressing ion feedbacks under a low-vacuum environment. In order to capture the residual-gas ions, which are generated by col...
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JP6452561B2 |
A charged particle detector according to the embodiment is provided with an MCP and a PD arranged with a focus electrode interposed therebetween in order to improve a response characteristic as compared to a conventional one in a configu...
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JP6442592B2 |
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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JP6438343B2 |
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JP6434361B2 |
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JP6420941B2 |
The device has a silicon photomultiplier (SiPM) (19) comprising an array of single-photon avalanche diodes (SPADs), where the array is larger in area than an incident light. The SPADs impinged with a specific minimum intensity of light a...
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JP6417139B2 |
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JP6410707B2 |
The disclosure is directed to a photomultiplier tube with extended dynamic range. According to various embodiments, a repulsive electric field is introduced between a photocathode and a plurality of dynodes in order to repel or block low...
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JP6411277B2 |
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JP6409604B2 |
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JP6407767B2 |
A method of manufacturing an electron multiplier body, the method includes a step of preparing a first plate-like member having a surface and a back surface and a pair of second plate-like members, a step of forming, in the first plate-l...
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JP6395906B1 |
To provide an electron multiplier having a structure for suppressing and stabilizing resistance value fluctuation in a wider temperature range. A resistance layer sandwiched between a secondary electron emitting layer made of a substrate...
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JP2018142462A |
To provide a ceramic insulation member in which adsorption of an alkali metal is small, and a reflection rate is low in a wide wavelength range.A ceramic insulation member to be disclosed is made of an alumina ceramic including an oxidat...
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JP2018133348A |
To provide a microchannel plate.A microchannel plate includes a hydrogen-rich polymer substrate defining a plurality of channels extending from the top face to the bottom face of a substrate, and a neutron interacts with the plurality of...
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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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