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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...
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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...
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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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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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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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7023134 |
Dynode producing method and structure
An inner surface of an electron-multiplier hole ( 14 ) includes a first curved surface ( 19 a ) and a second curved surface ( 19 b ) that face each other. The first curved surface ( 19 a ) extends...
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6958474 |
Detector for a bipolar time-of-flight mass spectrometer
A replaceable, electronically-isolated, MCP-based spectrometer detector cartridge with enhanced sensitivity is disclosed. A mass detector is electro-optically isolated from a charge collector with...
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6943494 |
Field emitting luminous device
A field emitting luminous device is disclosed. The device includes a cathode electron emitting unit, an electron amplifying unit, a panel unit, and an electric power supply unit. The primary...
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6917144 |
Microchannel plate having input/output face funneling
A microchannel plate (P) for receiving photoelectrons includes a plate-like substrate web (W) formed from a plurality of micro-tubules ( 10 ) of a single type of cladding glass ( 12 ) and defining...
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6876802 |
Microchannel plate having microchannels with deep funneled and/or step funneled openings and method of manufacturing same
The invention includes a microchannel plate for an image intensifier tube, in which the plate has multiple microchannels extending in a longitudinal dimension between transverse surfaces of the...
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6836059 |
Image intensifier and electron multiplier therefor
An image intensifier and electron multiplier therefor is disclosed. Photons of an image impinge a photo-cathode that converts the photons to electrons. An electron multiplier multiplies the...
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6835922 |
Photomultiplier tube and production method therefor
A hermetically sealed vessel for a photomultiplier tube made of a side tube ( 2 ), a faceplate and a stem plate. The side tube is made by assembling a plurality of plates ( 80 ) with a curled end....
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6828729 |
Bipolar time-of-flight detector, cartridge and detection method
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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6794629 |
Photomultiplier
A photomultiplier eliminates the reflection of light off of focusing pieces in a focusing electrode and prevents the photocathode from emitting useless electrons in response to such reflected light...
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6765352 |
Photocathode and electron tube
A photocathode and an electron tube in which the photocathode plate can be securely fixed without using any adhesive. Even under the severe condition that a high vibration resistance is required or...
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6724131 |
Night vision device and method
A image intensifier tube ( 14 ) includes a housing ( 18 ) carrying a photocathode ( 22 ) and a microchannel plate ( 24 ). The housing also receives axially extending fine-dimension spacing...
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6633034 |
Method and apparatus for imaging a specimen using low profile electron detector for charged particle beam imaging apparatus including electrostatic mirrors
A charged particle beam method and apparatus use a primary electron beam to irradiate a specimen so as to induce the specimen to emit secondary and backscattered electrons carrying information...
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6624406 |
Method and system for enhanced vision employing an improved image intensifier and reduced halo
The present invention comprises a method for detecting photons and generating a representation of an image. A photocathode receives photons from the image. The photocathode discharges electrons in...
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6617768 |
Multi dynode device and hybrid detector apparatus for mass spectrometry
A multi dynode device (MDD) for electron multiplication and detection and a hybrid detector using the MDD have high peak signal output currents and large dynamic range while preserving the...
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6570315 |
Field ion display device
A field ion display device comprises a field ion emission plate, a microchannel plate and a fluorescent display plate, said plates being parallel to each other, with gaps there between, and being...
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6570147 |
Color night vision apparatus
There is disclosed a color night vision device, which employs a separate image intensifier for each primary color. Thus, the apparatus employs an image intensifier for red, an image intensifier for...
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6522061 |
Field emission device with microchannel gain element
A field emission device with a micro-channel gain element included a plurality of field emission or “cold” cathodes ( 102 ) formed into an array. The cold cathodes are typically modulated by a...
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6492657 |
Integrated semiconductor microchannel plate and planar diode electron flux amplifier and collector
An electron flux amplifier is provided wherein a microchannel plate (MCP) is monolithically formed with, or bonded to, a semiconductor amplifier. In a preferred embodiment, microchannels are formed...
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6486592 |
Integral night vision tube contact assembly and method of making
A universal contact assembly for an image intensifier tube wherein the pin socket and flat are both parts of an integrally formed unit. The pin socket has a through hole for accepting a wire lead...
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6437491 |
System for enhanced vision employing an improved image intensifier with an unfilmed microchannel plate
The present invention comprises a photon detector and image generator, which includes a photocathode that receives photons from an image. The photocathode discharges electrons in response to the...
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6429578 |
Diagnostic and therapeutic detector system for imaging with low and high energy X-ray and electrons
A detector unit for detecting photons in the energy range 1 keV to 100 MeV, includes at least two converter layers adapted to interact with incident X-ray photons and to cause electrons to be...
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6429416 |
Apparatus and method of controlling a gated power supply in an image intensifier with a micro-channel plate
Apparatus for controlling a gated power supply of an image intensifier having a micro-channel plate includes a current-to-voltage converter coupled to the micro-channel plate operable to convert a...
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