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| Number | Title | Issue Date |
| 8080930 | Self-regenerating nanotips for low-power electric propulsion (EP) cathodes Spindt-type field-emission cathodes for use in electric propulsion (EP) systems having self-assembling nanostructures that can repeatedly regenerate damaged cathode emitter nanotips. A nanotip is created by applying a negative potential near the surface of a liquefi... | 12/20/2011 |
| 7791260 | Gas-fed hollow cathode keeper and method of operating same A gas-fed hollow cathode keeper can reduce ion bombardment erosion by expelling gas through the keeper faceplate. The expelled gas effectively creates a high-pressure “shield” around the keeper such that bombarding ions suffer energy-reducing collisions before i... | 09/07/2010 |
| 7768187 | Charge particle beam accelerator The invention relates to charged particle beam accelerators, in particular electron beam accelerators, and can be used for physics, chemistry and medicine. The inventive charged particle beam accelerator comprises a metallic shell fitted with a dielectric material l... | 08/03/2010 |
| 7667379 | Industrial hollow cathode with radiation shield structure In accordance with one embodiment of the present invention, the hollow-cathode apparatus comprises a small-diameter tantalum tube with a plurality of tantalum-foil radiation shields, wherein the plurality of shields in turn comprise one or more spiral windings exter... | 02/23/2010 |
| 7439526 | Beam neutralization in low-energy high-current ribbon-beam implanters The fabrication of modern semiconducting integrated circuits often requires implantation steps that involve high currents of low-energy charged dopant atoms. When employing such beams, the addition of electrons or negative ions for neutralizing the effects of space ... | 10/21/2008 |
| 7420182 | Combined radio frequency and hall effect ion source and plasma accelerator system This invention features a combined radio frequency (RF) and Hall Effect ion source and plasma accelerator system including a plasma accelerator having an anode and a discharge zone, the plasma accelerator for providing plasma discharge. A gas distributor introduces ... | 09/02/2008 |
| 7405411 | Ion source with multi-piece outer cathode In certain example embodiments of this invention, there is provided an ion source including an anode and a cathode. In certain example embodiments, a multi-piece outer cathode is provided. The multi-piece outer cathode allows precision adjustments to be made, thereb... | 07/29/2008 |
| 7397049 | Determining ion beam parallelism using refraction method A system, method and program product for determining parallelism of an ion beam using a refraction method, are disclosed. One embodiment includes determining a first test position of the ion beam while not exposing the ion beam to an acceleration/deceleration electr... | 07/08/2008 |
| 7391147 | Planar ultra violet light detector A light detector having a cathode wafer, a cavity wafer and an anode wafer. The cathode wafer may be bonded to one side of the cavity wafer and the anode wafer may be bonded to another side of the cavity wafer. The cathode wafer may have numerous cathodes, the anode... | 06/24/2008 |
| 7381949 | Method and apparatus for simultaneously depositing and observing materials on a target A system for joining at least two beams of charged particles that includes directing a first beam along a first axis into a field. A second beam is directed along a second axis into the field. The first and second beams are turned, by interaction between the field a... | 06/03/2008 |
| 7378672 | Particle beam therapeutic apparatus A particle beam therapeutic apparatus can ensure the uniformity of dose distribution by overlapping the desired loci of the irradiation of a particle beam a reduced number of times. A flow of a particle beam transported so as to be irradiated to a diseased part is c... | 05/27/2008 |
| 7371689 | Backside unlayering of MOSFET devices for electrical and physical characterization A method and system for backside unlayering a semiconductor device to expose FEOL semiconductor features of the device for subsequent electrical and/or physical probing. A window is formed within a backside substrate layer of the semiconductor. A collimated ion plas... | 05/13/2008 |
| 7371991 | Iron beam irradiation device and insulating spacer for the device Disclosed is a structure aimed to reduce the frequency of replacement of an insulating spacer arranged between grids of an ion beam irradiation device. More specifically, disclosed is a so-called insulating spacer arranged in order to maintain insulation between the... | 05/13/2008 |
| 7365339 | Ion source A cathode holder of a tubular shape is inserted into an opening for a cathode of a plasma generating chamber with a tip of the cathode holder positioned outward from an inner wall surface of the plasma generating chamber. The cathode is held in the cathode holder so... | 04/29/2008 |
| 7342236 | Fluid-cooled ion source An ion source is cooled using a cooling plate that is separate and independent of the anode. The cooling plate forms a coolant cavity through which a fluid coolant (e.g., liquid or gas) can flow to cool the anode. In such configurations, the magnet may be thermally ... | 03/11/2008 |
| 7339165 | Dual outlet pyrolyzer for biological agent detection system A chemical biological detection system detects the presence of biological agents in the air. The system includes a pyrolyzer having an inlet through which air is drawn into the pyrolyzer and a pyrotube that collects a sample of particles extracted from the air. The ... | 03/04/2008 |
| 7336764 | Electron beam accelerator and ceramic stage with electrically-conductive layer or coating therefor A ceramic electron beam accelerator is disclosed finding particularly efficacious uses in X-ray electronic circuit imaging and testing applications. The ceramic stage design eliminates the need for placing metal reinforcements between adjoining stages of the acceler... | 02/26/2008 |
| 7332730 | Device and method for imaging a multiple particle beam on a substrate A device and a method for imaging and positioning a multiparticle beam on a substrate is disclosed. The device comprises a particle beam source with a condenser optic that produces a particle beam that illuminates the surface of an aperture plate. A multiplicity of ... | 02/19/2008 |
| 7327089 | Beam plasma source A plasma source which includes a discharge cavity having a first width, where that discharge cavity includes a top portion, a wall portion, and a nozzle disposed on the top portion and extending outwardly therefrom, where the nozzle is formed to include an aperture ... | 02/05/2008 |
| 7317192 | High energy polyenergetic ion selection systems, ion beam therapy systems, and ion beam treatment centers Devices and methods are provided for generating laser-accelerated high energy polyenergetic positive ion beams that are spatially separated and modulated based on energy level. The spatially separated and modulated high energy polyenergetic positive ion beams are us... | 01/08/2008 |
| 7312579 | Hall-current ion source for ion beams of low and high energy for technological applications A Hall-current ion source for generation of low and high energy ion beams with selection of magnetic fields and emission currents, where there are utilized low magnetic fields and high emission currents that are higher than discharge currents for low energy ion beam... | 12/25/2007 |
| 7294209 | Apparatus and method for depositing material onto a substrate using a roll-to-roll mask A battery-operated device provided on a thin-film battery and a method for making. Some embodiments provide a system that includes a vacuum chamber, a plurality of pairs of source and take-up reels within the vacuum chamber, including a first source reel that suppli... | 11/13/2007 |
| 7294969 | Two-stage hall effect plasma accelerator including plasma source driven by high-frequency discharge Disclosed is a high-frequency discharge plasma generation-based two-stage Hall-effect plasma accelerator, which comprises an annular acceleration channel having a gas inlet port, a high-frequency wave supply section, an anode, a cathode, a neutralizing electron gene... | 11/13/2007 |
| 7282702 | Ion neutralizer An ion neutralizer enhances a heat transfer rate between a reflecting plate and a frame while preventing the reflecting plate from being bent due to thermal deformation. The ion neutralizer includes a frame and a plurality of reflecting plates integrally formed with... | 10/16/2007 |
| 7264741 | Coater having substrate cleaning device and coating deposition methods employing such coater A coater having a substrate cleaning device is disclosed. Also disclosed are methods of processing substrates in a coater equipped with a substrate cleaning device. The substrate cleaning device comprises an ion gun (i.e., an ion source) that is positioned beneath a... | 09/04/2007 |
| 7259378 | Closed drift ion source A closed drift ion source which includes a channel having an open end, a closed end, and an input port for an ionizable gas. A first magnetic pole is disposed on the open end of the channel and extends therefrom in a first direction. A second magnetic pole disposed ... | 08/21/2007 |
| 7259369 | Dual mode ion mobility spectrometer and method for ion mobility spectrometry Ion mobility spectrometer apparatus may include an ion interface that is operable to hold positive and negative ions and to simultaneously release positive and negative ions through respective positive and negative ion ports. A first drift chamber is operatively ass... | 08/21/2007 |
| 7247992 | Ion accelerator arrangement For an ion accelerator system having a special magnetic field structure with an alternating predominantly longitudinal and crosswise progression of the magnetic field, a geometry of the ionization chamber having a non-cylindrical shape of the chamber wall that is ad... | 07/24/2007 |
| 7247993 | Ion accelerator arrangement The invention relates to an ion accelerator arrangement which uses a combination of a magnetic field having a cusp structure and a cross-section of an ionisation chamber that is extended in one direction transversally in relation to the longitudinal axis. This enabl... | 07/24/2007 |
| 7230201 | Apparatus and methods for controlling charged particles Among the embodiments of the present invention, are apparatus, systems, and methods for managing energetic charged particles emitted nearly isotropically from a fusion device. One apparatus of the present invention includes a fusion device in a container and an elec... | 06/12/2007 |
| 7202474 | Ion attachment mass spectrometry apparatus An ion attachment mass spectrometry apparatus causing positively charged metal ions to attach to molecules of a gas to be measured in an attachment region to generate attached ions and then performing mass spectrometry on the attached ions by a mass spectrometer, ha... | 04/10/2007 |
| 7194801 | Thin-film battery having ultra-thin electrolyte and associated method A method and system for fabricating solid-state energy-storage devices including fabrication films for devices without an anneal step. A film of an energy-storage device is fabricated by depositing a first material layer to a location on a substrate. Energy is suppl... | 03/27/2007 |
| 7192556 | Flow cell, method for separating carrier-free radionuclides, and the radiochemical reaction thereof The invention relates to a flow cell, a method for separating carrier-free radionuclides from a liquid or liquefiable target material, and the radiochemical reaction thereof. According to prior art, flow cells are known which require reaction volumes corresponding t... | 03/20/2007 |
| 7188033 | Method and system of computing and rendering the nature of the chemical bond of hydrogen-type molecules and molecular ions Provided is a system of computing and rendering a nature of a chemical bond based on physical, Maxwellian solutions of charge, mass, and current density functions of hydrogen-type molecules and molecular ions. The system includes a processor for processing Maxwellia... | 03/06/2007 |
| 7183716 | Charged particle source and operation thereof A charged particle source utilizes a novel plasma processing chamber, RF coil and ion optics, to achieve high uniformity. The plasma processing chamber has a re-entrant vessel which is movable, and which includes extensions of adjustable shape or position, to make m... | 02/27/2007 |
| 7183559 | Ion source with substantially planar design In certain example embodiments of this invention, there is provide an ion source including an anode and a cathode. In certain example embodiments, the cathode does not overhang over the anode, or vice versa. Since no, or fewer, areas of overhang are provided between... | 02/27/2007 |
| 7176469 | Negative ion source with external RF antenna A radio frequency (RF) driven plasma ion source has an external RF antenna, i.e. the RF antenna is positioned outside the plasma generating chamber rather than inside. The RF antenna is typically formed of a small diameter metal tube coated with an insulator. An ext... | 02/13/2007 |
| 7170070 | Ion implanters having an arc chamber that affects ion current density The present invention can provide ion implanter devices including an arc chamber including at least a first inner region and a second inner region, an electron emitting device disposed in the arc chamber adjacent the first inner region and adapted to emit electrons,... | 01/30/2007 |
| 7164227 | Hall effect thruster with anode having magnetic field barrier An efficiency enhancing anode-magnetic structure of a Hall effect thruster produces a radially directed magnetic field between inner and outer poles at the exit portion of a gas distribution channel. The field-shaping structure includes magnetic material extending a... | 01/16/2007 |
| 7148613 | Source for energetic electrons There is described, for example, a generally cylindrical generator of energetic electrons that releases electrons from a vacuum enclosure into a surrounding space including into the atmosphere where the electrons may be used for a variety of applications including c... | 12/12/2006 |
