Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8174190 | Dispersion liquid for near-infrared-absorbing adhesive-body, near-infrared-absorbing adhesive body, near-infrared-absorbing plasma-display-panel filter, and plasma display panel To improve an optical property of a near-infrared-absorbing PDP filter and suppress a manufacturing cost. The present invention provides a dispersion liquid for near-infrared-absorbing adhesive-body. The dispersion liquid includes, in a solvent, one or more types of... | 05/08/2012 |
| 7652425 | Transmission type photocathode including light absorption layer and voltage applying arrangement and electron tube A transmission type photocathode includes a light absorption layer 1 formed of diamond or a material containing diamond as a main component, a supporting frame 21 for reinforcing the mechanical strength of the light absorption layer 1, a first e... | 01/26/2010 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7071629 | Image display device incorporating driver circuits on active substrate and other methods to reduce interconnects Flat panel displays, such as field emission displays (FEDs), plasma displays, liquid crystal displays (LCDs), and electroluminescent displays (ELs), are provided incorporating driver circuitry on the same substrate as the active display region of the display device ... | 07/04/2006 |
| 7022994 | Radiation converter A radiation converter has a radiation absorber for generating photons dependent on the intensity of incident x-ray radiation, a photocathode arranged downstream of the radiation absorber in the radiation propagation direction at a distance therefrom and serving for ... | 04/04/2006 |
| 7009187 | Particle detector suitable for detecting ions and electrons A particle detector switchable from an ion detector to an electron detector includes an ion-to-electron converter and a scintillator detector. With one set of voltages on the components, the converter has minimal impact on the electron trajectories so the electrons ... | 03/07/2006 |
| 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 an electron multiplier for converting a charged particle into a multi... | 10/25/2005 |
| 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 electrons from the photo-cathode to create an increased number of electrons.... | 12/28/2004 |
| 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 characteristics of the MCP is selected from aluminum oxide (Al2O... | 12/07/2004 |
| 6828714 | 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 | 12/07/2004 |
| 6803704 | Channel plate and manufacturing method thereof To provide a plate of high resolution and large area. The channel plate configured by including a substrate, a first electrode placed on the top face of the substrate, and a second electrode placed on the bottom face of the substrate, wherein the substrate is a poro... | 10/12/2004 |
| 6657385 | Diamond transmission dynode and photomultiplier or imaging device using same A diamond transmission dynode and photocathode are described which include a thin layer of a crystalline semiconductive material. The semiconductive material is preferably textured with a (100) orientation. Metallic electrodes are formed on the input and ... | 12/02/2003 |
| 6642637 | Parallel plate electron multiplier An electron multiplier having an access for allowing a beam to pass is presented. The electron multiplier collects particles traveling back along the beam and is capable of collecting the particles arbitrarily close to the beam. The electron multiplier in... | 11/04/2003 |
| 6614180 | Radiation detection apparatus and method An apparatus and method for detecting ionizing radiation are presented. The apparatus includes a scintillator adapted to convert incident ionizing radiation into light; a photocathode adapted to release photoelectrons in dependence on the light; an electr... | 09/02/2003 |
| 6566809 | Radiation converter having an electron multiplier A radiation converter includes a radiation absorber for generating light photons dependent on the intensity of incident radiation following the radiation absorber by a photocathode, an electrode system for accelerating the electrons emanating from the pho... | 05/20/2003 |
| 6538376 | Photomultiplier tube In this photomultiplier tube 1, light incident on a light-receiving faceplate 3 is converted into photoelectrons by a photosensitive surface 3a, and the photoelectrons strike a dynode 4 to emit many secondary electrons. The secondary electrons are then co... | 03/25/2003 |
| 6455987 | Electron multiplier and method of making same An electron multiplication apparatus uses a matrix of dielectric particles interspersed with conductive particles. Typically a porous layer of metal oxide and relatively inert metal, the material provides high electron count rates while maintaining good t... | 09/24/2002 |
| 6396049 | Microchannel plate having an enhanced coating An improved microchannel plate (24) is disclosed. The microchannel plate has an input side (24a) and an output side (24b). A coating (32) is applied to the input side (24a) to increase secondary electron production and to prevent ions from leaving the mic... | 05/28/2002 |
| 6327073 | Opto-electronic shutter An optoelectronic shutter for radiation, comprising an input plate and an output plate, comprising material substantially transparent to the radiation, each plate having an outer and an inner surface, wherein a recess is formed in the inner surface of at ... | 12/04/2001 |
| 6265812 | Electron multiplier The present invention relates to an electron multiplier including a structure which effectively prevents an electric field from leaking to the front side of an MCP due to a voltage applied to the MCP, facilitates an operation of attaching/detaching the MC... | 07/24/2001 |
| 6040657 | Thin faceplate image intensifier tube having an improved vacuum housing An improved image intensifier tube has electrically operative components that include a photocathode having a photoemissive layer, a microchannel plate (MCP) having a conductive input surface and a conductive output surface, and a vacuum housing for retai... | 03/21/2000 |
| 5986387 | Transmission type electron multiplier and electron tube provided This invention relates to a transmission type electron multiplier having a high secondary electron generation efficiency and having the structure capable of detecting positions of incidence of detected light, and also to an electron tube provided therewit... | 11/16/1999 |
| 5962975 | Flat-panel display having magnetic elements A flat-panel gas discharge display operable with either alternating or direct current includes magnetic elements within certain of the electrodes which define the discharge cell. The display may be free of implosive forces when operated at least at substa... | 10/05/1999 |
| 5729244 | Field emission device with microchannel gain element A field emission device with microchannel gain element provides a plurality of field emission or "cold" cathodes formed generally into an array. The cold cathodes are typically modulated by a grid having a driving voltage. A microchannel gain element is l... | 03/17/1998 |
| 5677595 | Resistor assembly and electron multiplier using the same An electron multiplier includes an improved resistor assembly for applying relevant voltages to respective dynodes. Resistor patterns are printed on one surface of an insulation substrate. Each resistor pattern is connected to one end of one of a pluralit... | 10/14/1997 |
| 5563653 | Focussed output microchannel plate for an image intensifier tube A microchannel plate for an image intensifier tube, the microchannel plate comprising a substrate having an input surface and an output surface and a plurality of channels extending therebetween, each of the channels defining a channel wall, wherein the m... | 10/08/1996 |
| 5504324 | Soft x-ray imaging device employing a cylindrical compression spring to maintain the position of a microchannel plate A soft x-ray imaging device is disclosed having a housing defining a housing chamber. A faceplate having a planar surface is secured to the housing so that the planar surface is positioned within the housing chamber. A phosphorus coating is applied to the... | 04/02/1996 |
| 5495141 | Collimator application for microchannel plate image intensifier resolution improvement A collimator is included in a microchannel plate image intensifier (MCPI). Collimators can be useful in improving resolution of MCPIs by eliminating the scattered electron problem and by limiting the transverse energy of electrons reaching the screen. Due... | 02/27/1996 |
| 5493174 | Imaging tube having improved fluorescent surface structure on fiber optic plate An imaging tube having a fiber optic plate (FOP) as an output faceplate. On one surface of the FOP within an evacuated envelope is deposited a first transparent conductive layer. On the first transparent conductive layer is deposited a fluorescent layer. ... | 02/20/1996 |
| 5491331 | Soft x-ray imaging device A soft x-ray imaging device is disclosed having a housing defining a housing chamber. An optic post having a planar surface is secured to the housing so that the planar surface is positioned within the housing chamber. A phosphorus coating is applied to t... | 02/13/1996 |
| 5402034 | Conductive coating for an image intensifier tube microchannel plate An image intensifier tube having a conductive coating for draining away accumulated electrons that cause the image intensifier tube to lose resolution. The conductive coating is formed on the insulating surface of the image intensifier tube microchannel p... | 03/28/1995 |
| 5349177 | Image intensifier tube having a solid state electron amplifier An image intensifier tube that utilizes a photoresponsive layer for producing electrons in response to received radiation, a solid state electron amplifier for multiplying the electrons produced by the photoresponsive layer, a cold cathode for emitting el... | 09/20/1994 |
| 5338927 | Proximity focusing image intensifier tube with spacer shims The disclosure relates to image intensifier tubes of the proximity focusing type, wherein it especially concerns the positioning of a primary screen with respect to a slab of microchannels. An image intensifier tube comprises a sealed chamber containing a... | 08/16/1994 |
| 5268612 | Feedback limited microchannel plate A low noise microchannel plate limiting feedback includes a conductive deposit on an output side for reducing open areas at an output end of the plate. The microchannel plate can be included in an image intensifier tube.... | 12/07/1993 |
| 5043628 | Fast photomultiplier tube having a high collection homogeneity A photomultiplier tube comprising a photocathode (10), focusing electrodes (12, 12') and a fast multiplier structure (20) having a large input surface relative to the photocathode and comprising at least one input dynode (21). According to the invention, ... | 08/27/1991 |
| 5023511 | Optical element output for an image intensifier device An image intensifier tube having a photocathode, a microchannel plate and an anode. The anode includes a lens element with a phosphor screen deposited thereon as an output window. The lens element may take the form of either a plano-convex or plano-concav... | 06/11/1991 |