Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8022606 | Electron multipler and electron detector An electron multiplier that can easily obtain characteristics according to a purpose is provided. By bonding a marginal portion 23 of an MCP 2 and a marginal portion 33 of an MCP 3 to each other via a conductive spacer layer 7, a g... | 09/20/2011 |
| 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. ... | 08/02/2011 |
| 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 electrode includes: a cathode; an emitter disposed on the cathode and extr... | 08/03/2010 |
| 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 opening, and a photocathode 6 c... | 06/22/2010 |
| 7432521 | Logical operation element field emission emitter and logical operation circuit A logical operation element and logical operation circuit are provided that are capable of high speed and a high degree of integration. A logical operation circuit has a construction wherein, in a logical operation element, the anodes of first and second fiel... | 10/07/2008 |
| 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 separate intensifying channels are subject to gating by a sequ... | 09/23/2008 |
| 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 from back scattered electrons (SE3), is described. The basic version o... | 08/26/2008 |
| 7397184 | Photomultiplier The present invention relates to a photomultiplier having a structure for performing a high gain and achieving a higher productivity in a state keeping or improving an excellent high-speed response. In the photomultiplier, an electron-multiplying unit, placed in a s... | 07/08/2008 |
| 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 reactive material, such as 6Li, 10B, 155 | 07/01/2008 |
| 7335514 | Optical biosensor The present invention relates to an optical biosensor comprising a porous matrix. In the specific case, reference is made to anodized porous alumina, on the surface of which the biological component specific for the analyte in question is immobilized, and to an opti... | 02/26/2008 |
| 7332700 | Photomultiplier tube with dynode modulation for photon-counting In a photomultiplier tube (PMT) device having a plurality of dynodes provided between a cathode and an anode, a cancellation circuit provides two different modulation signals to the PMT to cancel the effects of the modulation signals upon the output of the PMT. For ... | 02/19/2008 |
| 7327077 | Electron tube control grid In a control grid for an electron tube, the grid has first bars that are evenly spaced out on a skewed surface and extend substantially as circle pseudo-involutes about a central hub. ... | 02/05/2008 |
| 7323674 | Photodetector using photomultiplier and gain control method The present invention relates to a photodetector that has a structure capable of realizing a wide range gain adjustment for each of electron multiplier channels respectively assigned to a plurality of light incidence regions of a multi-anode multiplier. The photodet... | 01/29/2008 |
| 7320928 | Method of forming a stacked device filler Numerous embodiments of a stacked device filler and a method of formation are disclosed. In one embodiment, a method of forming a stacked device filler comprises forming a material layer between two or more substrates of a stacked device, and causing a reaction in a... | 01/22/2008 |
| 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 surface, and an array of electron transmission gates spaced apart from the... | 11/27/2007 |
| 7288881 | Electron emitter and light emission element Primary electrons impinge upon an emitter section of an electron emitter for causing emission of the secondary electrons. The secondary electrons are outputted from the electron emitter. The secondary electrons emitted from the emitter section are accelerated in an ... | 10/30/2007 |
| 7276704 | Photomultiplier tube, photomultiplier tube unit, and radiation detector A photomultiplier tube, a photomultiplier tube unit, and a performance-improved radiation detector for increasing a fixing area of a side tube in a faceplate while increasing an effective sensitive area of the faceplate. In the photomultiplier tube, a side face (... | 10/02/2007 |
| 7256540 | Electron emission device with a grid electrode An electron emission device includes a first substrate and a second substrate facing one another and having a predetermined gap therebetween. An electron emission region for emitting electrons is formed on the first substrate, and an illumination portion for display... | 08/14/2007 |
| 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 longitudinally extending optical fibers, each bundled to each other to ... | 07/31/2007 |
| 7238928 | Photomultiplier with particular stem/pin structure The edges of portions of a base member that are joined to stem pins are arranged as bottom surfaces of recesses formed in the stem so that the stem pins are joined to the base member at gradual angles and so that even when a bending force acts on the stem pins, the ... | 07/03/2007 |
| 7208874 | Transmitting type secondary electron surface and electron tube A transmission secondary electron emitter is provided which emits secondary electrons generated by the incidence of primary electrons. The transmission secondary electron emitter includes a secondary electron emitting layer which is made of diamond or a material con... | 04/24/2007 |
| 7206522 | Dynamic measurement of and compensation for impairments to optical data communication pulses A photomultiplier module (PMT), preferably a PMT with a gallium arsenide (GaAs) photocathode, is used as a N-photon detector (N is an integer ≧2). The PMT detects the N-photon absorption rate of an optical signal having a wavelength range extending from 1.0 μm to... | 04/17/2007 |
| 7189956 | Photomultiplier and radiation detector In a photomultiplier, a ring-like side tube is not interposed between a side tube and a stem in the radial direction, and the side tube is joined to the ring-like side tube in a state of being directly capped onto a portion of the stem that protrudes out from an ope... | 03/13/2007 |
| 7183701 | Electron multipliers and radiation detectors Electron multipliers, radiation detectors, and methods of making the multipliers and detectors are described. In some embodiments an electron multiplier has a structure including a plurality of interconnected fibers having electron-emissive surfaces, the fibers havi... | 02/27/2007 |
| 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 side tube (2). The edge po... | 12/12/2006 |
| 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, and a mirror oriented at an angle relative to said scintillator. The ... | 11/28/2006 |
| 7141926 | Photomultiplier tube with improved light collection Photomultiplier tubes with improved collection of incident radiation, especially from the periphery of the front face of the tube, and that more efficiently couple the collected radiation to the photocathode, and moreover have higher packing densities when assembled... | 11/28/2006 |
| 7135670 | Photomultiplier and radiation detector Onto a base member, through which stem pins are passed and holding members are to be joined to the respective surfaces thereof, the stem pins and the holding members are joined by fusion by melting of the base member to arrange a stem with at least three or more lay... | 11/14/2006 |
| 7132639 | Photomultiplier and radiation detector A holding member or a base member, through which stem pins are passed and one surface of which is held by the holding member, is joined to the stem pins and the holding member by fusion by the melting of the base member. Upon melting, a volume of the base member is ... | 11/07/2006 |
| 7115854 | Photomultiplier and photodetector including the same The present invention relates to a photomultiplier that can realize a gain adjustment for each of electron multiplier channels respectively assigned to a plurality of light incidence regions in a more compact structure. The photomultiplier has a sealed container, an... | 10/03/2006 |
| 7078667 | Photo detector for weak light This invention provides a photodetector for weak light and a weak light detection system including the photodetector for weak light the photodetector for weak light is comprised of a substrate on which an integrating read circuit including a PIN photodiode or an APD... | 07/18/2006 |
| 7057147 | Imaging system and method for collecting energy from at least two sensing elements adjacent one another between rows of sensing elements An imaging device including a plurality of electron sensing elements for receiving energy from an electron energy source is provided. Each of the electron sensing elements includes at least one respective charge collection element configured to receive and store ene... | 06/06/2006 |
| 7042160 | Parallel plate electron multiplier with ion feedback suppression An embodiment of the invention is an electron multiplier including a first plate having an electron emissive first interior surface. A second plate has an electron emissive second interior surface. A voltage source is connected across the first plate and the second ... | 05/09/2006 |
| 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 on the sidewalls of the through holes, an electron emissive layer inc... | 04/11/2006 |
| 7023134 | Dynode producing method and structure An inner surface of an electron-multiplier hole (14) includes a first curved surface (19a) and a second curved surface (19b) that face each other. The first curved surface (19a) extends from an edge of an input openin... | 04/04/2006 |
| 7019446 | Foil electron multiplier An apparatus for electron multiplication by transmission that is designed with at least one foil having a front side for receiving incident particles and a back side for transmitting secondary electrons that are produced from the incident particles transiting throug... | 03/28/2006 |
| 7015452 | Intensified hybrid solid-state sensor An intensified solid-state imaging sensor includes a photo cathode for converting light from an image into electrons, an electron multiplying device for receiving electrons from the photo cathode, and a solid-state image sensor including a plurality of pixels for re... | 03/21/2006 |
| 6998778 | Electron-multiplier and photo-multiplier having dynodes with partitioning parts A dynode (8) constituting an electron multiplier or a photomultiplier is provided with eight rows of channels (15) each defined by an outer frame (16) and a partitioning part (17) of the dynode (8). In each channel (15), a p... | 02/14/2006 |
| 6989632 | Photomultiplier A photomultiplier has a dynode cascade arranged radially rather than axially. Effective dynode area thereby can increase through the cascade, leading to improved linearity of response, and the axial length of the device can be reduced. The dynodes are sections of a ... | 01/24/2006 |
| 6969946 | Enhanced brightness light emitting device spot emitter The amount of usefully captured light in an optical system may be increased by concentrating light in a region where it can be collected by the optical system. A light emitting device may include a substrate and a plurality of semiconductor layers. In some embodimen... | 11/29/2005 |
