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8138460 |
Radio frequency phototube
A method and apparatus of obtaining a record of repetitive optical or other phenomena having durations in the picosecond range, comprising a circular scan electron tube to receive light pulses and...
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8115386 |
Photomultiplier tube
Electrons are prevented from being made incident onto an insulation part of a casing between dynodes to improve a withstand voltage. The photomultiplier tube 1 is a photomultiplier tube which is...
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8076627 |
Shape memory alloy for MCP lockdown
An image intensifier tube includes a microchannel plate (MCP) having conductive input and output surfaces disposed in a housing. A conductive lower support is in electrical contact with the output...
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8071932 |
Apparatus and method for sealing an image intensifier device
A sealing structure for an optical device, such as an image intensifier device, is provided. The optical device includes an evacuated housing and an anode positioned within the evacuated housing....
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8013294 |
Charged-particle detector
This ion detector includes an MCP and a plurality of planar dynodes respectively having a plurality of slits. The plurality of planar dynodes are stacked via spacers parallel to an electron output...
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7994693 |
Curved MCP channels
A microchannel plate (MCP) is formed from a boule. The MCP includes a plate having opposing end surfaces formed of acid resistant glass and acid etchable glass, and multiple channels extending...
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7990032 |
Electron multipliers and microchannel plates
An electron multiplier can be fabricated by depositing an electron emissive material on a reticulated substrate, and forming the reticulated substrate into the electron multiplier.
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7977878 |
Photomultiplier and its manufacturing method
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....
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7956521 |
Electrical connection of a substrate within a vacuum device via electrically conductive epoxy/paste
An image intensifier includes a microchannel plate (MCP) having an output surface, and a ceramic substrate having an outer surface. The output surface of the MCP and the outer surface of the...
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7940005 |
Cooled photocathode structure
A photocathode for an image intensifier tube includes a faceplate, a glass plate disposed opposite the faceplate, and a span having one end attached to the glass plate and the other end attached to...
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7880128 |
Vented header assembly of an image intensifier device
An image intensifier device and a method of fabricating the image intensifier device are disclosed. The image intensifier device includes a microchannel plate (MCP) having a thin-film applied to a...
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7855493 |
Microchannel plate devices with multiple emissive layers
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...
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7768181 |
Electron multiplier electrode and terahertz radiation source using the same
Provided are an electron multiplier electrode using a secondary electron extraction electrode and a terahertz radiation source using the electron multiplier electrode. The electron multiplier...
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7741758 |
Electron multiplier including dynode unit, insulating plates, and columns
A venetian blind dynode 5A and metal channel dynodes 5B of a dynode unit 5 are fitted along with insulating spacers (insulating plates) 11 on columns 9 erected on a stem plate 3 that makes up a...
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7741759 |
Electron tube and method for manufacturing electron tube
A photomultiplier tube 1 is an electron tube comprising an envelope 5 including a frame 3b having at least one end part formed with an opening and an upper substrate 2 airtightly joined to the...
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7728292 |
Method and apparatus for detecting positively charged and negatively charged ionized particles
An ion detector includes collision surfaces for converting both positively and negatively charged ions into emitted secondary electrons. Secondary electrons may be detected using an electron...
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7728519 |
Correction of the distortion of an image intensifier electron tube
The invention relates to the correction of the distortion of an image intensifier electron tube comprising an entry screen intended to receive what is called primary electromagnetic radiation and...
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7723680 |
Electron multiplier having electron filtering
A system for detecting ions is disclosed. The system includes a detector having a plurality of dynodes arranged in an electron cascading configuration, and a power supply circuit electrically...
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7696462 |
Advanced image intensifier assembly
An advanced image intensifier assembly provides enhanced functionality. A grounded photocathode provides shielding from electromagnetic interference, improving the ability to work in multiple light...
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7687978 |
Tandem continuous channel electron multiplier
A channel electron multiplier including a single channel CEM for receiving an input particle. A multi-channel CEM is positioned after the single channel CEM for receiving emissions from the single...
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7655891 |
Charged-particle detecting apparatus
The present invention relates to a charged-particle detecting apparatus having a structure which enables adjustment of a potential distribution so as to stably maintain flight loci of charged...
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7638751 |
Multi-element optical detectors with sub-wavelength gaps
A multi-element optical detector includes a plurality of optical detector elements capable of producing an output signal having information about the state of an incident electromagnetic radiation...
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7619199 |
Time-resolved measurement apparatus and position-sensitive election multiplier tube
A time-resolved measurement apparatus (100) reads a detection timing pulse from an MCP (24) in a front-side MCP stack (30) in a photomultiplier tube (14). A detection timing of a photon is...
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7531812 |
Method and system for the directional detection of electrons in a scanning electron microscope
A system detects electrons according to their emission direction in a scanning electron microscope. The system includes a scintillator electron detector and a set of electrodes focusing and...
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7498557 |
Cascaded image intensifier
A cascaded image intensifier device is presented. In one embodiment the device comprises: at least two sections in cascade, each of a first section and a last section out of the at least two...
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7495374 |
Electron amplification plate for field emission display device
The present invention provides an electron amplification plate placed between a first substrate and a second substrate of a field emission display device. The electron amplification plate comprises...
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7486021 |
Electron tube with electron-bombarded semiconductor device
A photocathode is formed on a predetermined portion of the internal surface of an envelope of an electric tube. An avalanche photodiode (APD) is provided inside the envelope. The APD is surrounded...
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7482571 |
Low cost planar image intensifier tube structure
An image intensifier tube is provided. The image intensifier tube has a microchannel plate (MCP), a photocathode and phosphor screen deposited on a fiber optic substrate. A first spacer is...
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7470915 |
Detector system of secondary and backscattered electrons for a scanning electron microscope
A system for detecting secondary and backscattered electrons in a scanning electron microscope includes a microporous plate (9) that is disposed between a lower scintillator (5) and an upper...
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7427733 |
Gated image intensifier
A gated optical image intensifier 10 is provided with multiple intensifying channels 20, 22, 24, 26 each supplied with radiation via a respective optical channel of an optical splitter. The...
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7425694 |
Time-resolved measurement apparatus
A time-resolved measurement apparatus (100) acquires a detection timing pulse from an output terminal (34) attached to a micro channel plate (30) in a photomultiplier tube (14). A position-time...
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7417235 |
Particle detector for secondary ions and direct and or indirect secondary electrons
A multi-purpose efficient charge particle detector that by switching bias voltages measures either secondary ions, or secondary electrons (SE) from a sample, or secondary electrons that originate...
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7408142 |
Microchannel amplifier with tailored pore resistance
A microchannel amplifier includes an insulating substrate that defines at least one microchannel pore through the substrate from an input surface to an output surface. A conductive layer is formed...
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7394187 |
Electron multipliers and radiation detectors
An electron multiplier includes a plate having a plurality of interconnected particles, e.g., fibers, having electron-emissive surfaces. The particles may include a neutron-sensitive and/or neutron...
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7301263 |
Multiple electron beam system with electron transmission gates
A multiple electron beam source comprises a photon source to generate a photon beam, a lens to focus the photon beam, a photocathode having a photon receiving surface and an electron emitting...
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7294954 |
Micro-engineered electron multipliers
This invention provides for a simple method of fabricating miniature electron multipliers, in an in-plane configuration suitable for use with miniature analytic instruments such as mass filters....
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7251400 |
Absorptive clad fiber optic faceplate tube
A limiter device is used as a fiber optic faceplate (FOFP) night vision goggle for limiting light or laser induced damage on a vacuum side of the FOFP. The limiter device includes a plurality of...
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7221837 |
Device and method for reducing glass flow during the manufacture of microchannel plates
The present invention provides a glass packing tube for use in fabricating a microchannel plate. The glass tube has a plurality of flat inner surfaces and is used to form a boule including a...
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7180060 |
E×B ion detector for high efficiency time-of-flight mass spectrometers
An ion detector having a planar electrically conducting entrance plate, a converter assembly including a planar electrically conducting converter plate and a converter member for providing free...
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7148461 |
Photomultiplier tube with enchanced hermiticity
A metal side tube (2), a glass faceplate (3), and a stem plate (4) constitute a hermetically sealed vessel (5) for a photomultiplier tube. An edge portion (20) is provided at on open end (A) of the...
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7141787 |
Detector for a co-axial bipolar time-of-flight mass spectrometer
A detector for a coaxial bipolar time-of-flight mass spectrometer is described. The detector includes a microchannel plate, a scintillator disposed in parallel relation to said microchannel plate,...
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7129464 |
Low-photon flux image-intensified electronic camera
A low-photon flux image-intensified electronic camera comprises a gallium arsenide phosphide (GaAsP) photocathode in a high vacuum tube assembly behind a hermetic front seal to receive image...
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7126263 |
Perforated mega-boule wafer for fabrication of microchannel plates (MCPs)
A mega-boule is used in fabricating microchannel plates (MCPs). The mega-boule has a cross-sectional surface including an island section, an inner perimeter section and an outer perimeter section,...
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7109644 |
Device and method for fabrication of microchannel plates using a mega-boule wafer
The present invention provides a mega-boule for use in fabricating microchannel plates (MCPs). The mega-boule includes a cross-sectional surface having at least first, second and third areas, each...
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7102284 |
Photomultiplier
In a photomultiplier, focusing pieces of a focusing electrode are formed with sufficient height that the photocathode in the adjacent channels cannot be viewed from the first and second stage...
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7064485 |
Photomultiplier tube having focusing electrodes with apertures and screens
A glass container has a faceplate, a side tube, and a bottom. A photocathode is formed on the inner side of the faceplate. The glass container includes a first dynode, a second dynode, a screen...
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7049605 |
Detector using microchannel plates and mass spectrometer
A mass spectrometer detector having a coupling capacitor including an anode that is placed at a high potential of say −4.9 kV. An annular electrode is placed outside the anode. A voltage of say −...
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7042155 |
Electron-multiplier and photo-multiplier having dynodes with partitioning parts
A dynode constituting an electron multiplier or a photomultiplier may be provided with eight rows of channels each defined by an outer frame and a partitioning part of the dynode. In each channel,...
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7025652 |
Electron amplifier utilizing carbon nanotubes and method of manufacturing the same
An electron amplifier and a method of manufacturing the same are provided. The electron amplifier includes a substrate in which a plurality of through holes are formed, a resistive layer deposited...
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7026177 |
Electron multiplier with enhanced ion conversion
A replaceable, electronically-isolated, MCP-based spectrometer detector cartridge with enhanced sensitivity is disclosed. A coating on the MCP that enhances the secondary electron emissivity...
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