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| Number | Title | Issue Date |
| 8148661 | Highly ordered structure pyrolitic graphite or carbon-carbon composite cathodes for plasma generation in carbon containing gases A DC plasma torch which includes a long lasting thermionic cathode and has a high thermal efficiency. The DC plasma torch employs a solid cathode made of graphite with highly ordered structure such as Pyrolitic Graphite or Carbon-Carbon composites. Furthermore, carb... | 04/03/2012 |
| 8101882 | Plasma torch electrode with improved insert configurations An improved electrode for use in a plasma arc torch. The electrode includes an electrode body, a bore defined by and disposed in the electrode body, and an insert disposed in the bore. The insert and/or the bore of the electrode are configured to improve retention o... | 01/24/2012 |
| 8063337 | Mass spectrometry injection system and apparatus An apparatus for use in mass spectrometry comprising an injector body, an injection tube coupled to the injector body, and a shielding assembly disposed between the injector body and the injection tube. The shielding apparatus is suitable for shielding the injector ... | 11/22/2011 |
| 8063336 | Multi-frequency static neutralization Static neutralization of a charged object is provided by applying an alternating voltage having a complex waveform, hereinafter referred to as a “multi-frequency voltage”, to an ionizing electrode in an ionizing cell. When the multi-frequency voltage, measured b... | 11/22/2011 |
| 8053700 | Applicators and cooling systems for a plasma device An improved plasma vessel (i.e., plasma applicator) that provides effective cooling includes a plurality of generally linear tubes having a dielectric interior fluidly connected together by dielectric connectors. The tubes and connectors are joined together to form ... | 11/08/2011 |
| 7679026 | Multi-frequency static neutralization of moving charged objects Efficient static neutralization of an electrostatically charged object that has a varying distance from an ion generating source, a varying velocity, a large dimension or any these is achieved by using an ionizing cell or bar having a first electrode and a second el... | 03/16/2010 |
| 7659489 | Toroidal low-field reactive gas and plasma source having a dielectric vacuum vessel Plasma ignition and cooling apparatus and methods for plasma systems are described. An apparatus can include a vessel and at least one ignition electrode adjacent to the vessel. A total length of a dimension of the at least one ignition electrode is greater than 10%... | 02/09/2010 |
| 7659488 | Composite electrode for a plasma arc torch A plasma arc torch that includes a torch body having a nozzle mounted relative to a composite electrode in the body to define a plasma chamber. The torch body includes a plasma flow path for directing a plasma gas to the plasma chamber in which a plasma arc is forme... | 02/09/2010 |
| 7635824 | Plasma generating electrode, plasma generation device, and exhaust gas purifying device A plasma generating electrode of the invention present includes at least a pair of electrodes 5, at least one electrode 5a of the pair of electrodes 5 including a plate-like ceramic body 2 as a dielectric and a conductive film 3... | 12/22/2009 |
| 7619179 | Electrode for generating plasma and plasma processing apparatus using same In an electrode for generating a plasma, disposed to face a surface of a substrate to perform a plasma processing on the surface of the substrate, the electrode includes a metal-based composite material formed by impregnating a metal into a base member made of a por... | 11/17/2009 |
| 7589296 | Plasma generating electrode and plasma reactor A plasma generating electrode according to the invention includes at least two opposing plate-shaped unit electrodes 2, each having a rectangular surface and four end faces, and a holding member 5 which holds at least one (fixed end 6) of a pair... | 09/15/2009 |
| 7572999 | Inductively-coupled plasma torch for simultaneous introduction of gaseous and liquid samples To provide an inductively-coupled plasma torch capable of realizing a GC analysis or the like and a solution analysis by the same torch without removing a capillary tube, etc. The injector tube of the inductively-coupled plasma torch includes an outer injector tube ... | 08/11/2009 |
| 7518085 | Vacuum arc plasma thrusters with inductive energy storage driver A plasma thruster with a cylindrical inner and cylindrical outer electrode generates plasma particles from the application of energy stored in an inductor to a surface suitable for the formation of a plasma and expansion of plasma particles. The plasma production re... | 04/14/2009 |
| 7501600 | Toroidal low-field reactive gas and plasma source having a dielectric vacuum vessel Plasma ignition and cooling apparatus and methods for plasma systems are described. An apparatus can include a vessel and at least one ignition electrode adjacent to the vessel. A total length of a dimension of the at least one ignition electrode is greater than 10%... | 03/10/2009 |
| 7435925 | Plasma arc torch A plasma torch is provided having a movable member carrying an electrode and movable along a tubular member bore having a nozzle at one end. A piston member engaged with the movable member moves the electrode between inoperable and operable positions within the bore... | 10/14/2008 |
| 7423235 | Electrode and electrode holder with threaded connection A threaded connection for an electrode holder and an electrode in a plasma arc torch is provided. The threaded connection has relatively low height, and the engaged portion of a male threaded portion of the electrode and a female threaded portion of the electrode ho... | 09/09/2008 |
| 7399943 | Apparatus for metal plasma vapor deposition and re-sputter with source and bias power frequencies applied through the workpiece A plasma reactor includes a vacuum chamber including a sidewall, a ceiling and a wafer support pedestal near a floor of the chamber, and a vacuum pump coupled to the chamber. A process gas inlet is coupled to the chamber and a process gas source coupled to the proce... | 07/15/2008 |
| 7397013 | Plasma lineation electrode A plasma spray device is provided. The plasma spray device includes a plasma chamber region for having a plasma formed and a throat region coupled to the plasma chamber region. The throat region has an end surface and an axial bore. The axial bore is formed substant... | 07/08/2008 |
| 7394041 | Apparatus for treating a waste gas using plasma torch Disclosed is a waste gas treatment apparatus having a waste gas inlet for flowing a waste gas into a main combustion chamber provided in empty space inside a body, and a plasma torch configured to propagate flames against the waste gas flowing through the waste gas ... | 07/01/2008 |
| 7380501 | Electro-thermal chemical igniter and connector An ETC igniter and compatible electrical connector for enabling an ETC gun to be used in a battlefield setting in close proximity with personnel and sensitive electronic equipment. This is accomplished by providing a current path to and from the igniter that is elec... | 06/03/2008 |
| 7375303 | Plasma arc torch having an electrode with internal passages An electrode for a plasma arc cutting torch which minimizes the deposition of high emissivity material on the nozzle, reduces electrode wear, and improves cut quality. The electrode has a body having a first end, a second end in a spaced relationship relative to the... | 05/20/2008 |
| 7375302 | Plasma arc torch having an electrode with internal passages An electrode for a plasma arc cutting torch which minimizes the deposition of high emissivity material on the nozzle, reduces electrode wear, and improves cut quality. The electrode has a body having a first end, a second end in a spaced relationship relative to the... | 05/20/2008 |
| 7371992 | Method for non-contact cleaning of a surface A flame torch can be used to clean the surface of a contact-sensitive object, such as a glass optic, extremely thin workpiece, or semiconductor wafer by providing a reactive precursor gas to the feed gases of the torch. Reactive atom plasma processing can be used to... | 05/13/2008 |
| 7371691 | Silicon recess improvement through improved post implant resist removal and cleans The present invention provides a process of manufacturing a semiconductor device 200 while reducing silicon loss. In one aspect, the process includes removing a photoresist layer 270 from a semiconductor substrate 235 adjacent a gate 240 ... | 05/13/2008 |
| 7358658 | Amorphous diamond materials and associated methods for the use and manufacture thereof An electroluminescence device having improved luminescence per volt input is provided. The device can include a first electrode, a second electrode, a diamond-like carbon layer electrically coupled to at least one of the first electrode or the second electrode, and ... | 04/15/2008 |
| 7342198 | Method and apparatus for generating an electrical arc A method of generating an electrical arc includes steps of providing a first electrode and a second electrode, determining a dielectric strength of a gap region between the electrodes, determining a desired dielectric strength change based on the determined dielectr... | 03/11/2008 |
| 7342197 | Plasma torch with corrosive protected collimator To protect the collimator of a transferred plasma arc torch from premature failure due to corrosion, an anti-corrosive covering is applied on the exposed face surface and a portion of the inner exit bore of the collimator. The specification describes several methods... | 03/11/2008 |
| 7342361 | Plasma source A plasma source is described. The source includes a reactive impedance element formed from a plurality of electrodes. By providing such a plurality of electrodes and powering adjacent electrodes out of phase with one another, it is possible to improve the characteri... | 03/11/2008 |
| 7335850 | Plasma jet electrode device and system thereof A plasma jet electrode device includes an orientation base, a ceramic pipe, a round plate having a plurality of tilted through holes thereon and a high-voltage metal electrode. A dielectric discharging plasma area is formed between the high-voltage metal electrode a... | 02/26/2008 |
| 7326874 | Vented shield system for a plasma arc torch Vented shield systems for plasma arc torches are provided that comprise a shield cup body defining a distal end portion, a vented retainer secured to the distal end portion of the shield cup body, and a shield cap secured to the vented retainer. The vented retainer ... | 02/05/2008 |
| 7322313 | Plasma processing system A plasma processing apparatus M1 is provided with a processing part 20 for supporting a pair of elongate electrodes 30. The processing part 20 is provided with a plurality of pull bolts 52 (approach-deforming preventers) mutually s... | 01/29/2008 |
| 7319295 | High-frequency power supply structure and plasma CVD device using the same A radio frequency power supply structure and a plasma CVD device comprising the same are provided in which reflection of radio frequency power at a connecting portion where an RF cable connects to an electrode is reduced so that incidence of the radio frequency powe... | 01/15/2008 |
| 7317171 | Method and apparatus for generating an electric arc A method and apparatus for reducing the gap resistance between two electrodes, such as the electrodes used fusion splicing one optical fiber to another, by injecting negative ions into the gas or gasses that are located between the electrodes. As a result, the volta... | 01/08/2008 |
| 7317529 | Aspects of producing, directing, conditioning, impinging and detecting spectroscopic electromagnetic radiation from small spots on samples Systems and methods for providing and enhancing electromagnetic radiation beam radial energy homogeneity and intensity vs. wavelength content, for reliably directing electromagnetic radiation emitted by a source thereof in a common direction, for achromatically redu... | 01/08/2008 |
| 7311851 | Apparatus and method for reactive atom plasma processing for material deposition Reactive atom plasma processing can be used to shape, polish, planarize, and clean surfaces of difficult materials with minimal subsurface damage. The apparatus and methods use a plasma torch, such as a conventional ICP torch. The workpiece and plasma torch are move... | 12/25/2007 |
| 7302792 | Pulsed plasma thruster and method of making A pulsed plasma thruster (PPT) and a method of making the pulsed plasma thruster are disclosed. The PPT includes no moving parts and is able to achieve a small size. The PPT is also designed to facilitate easy and rapid manufacture. The process for making the PPT us... | 12/04/2007 |
| 7303789 | Methods for producing thin films on substrates by plasma CVD Methods are provided to form a thin film reproducibly in a process for forming the thin film on the inner wall surface facing a space formed in a substrate by plasma CVD. A thin film is produced on an inner wall surface of a substrate facing a space formed in the su... | 12/04/2007 |
| 7297893 | Plasma arc collimator design and construction An improved collimator for a plasma arc torch consists of an annular holder member and an insert member. The insert member includes a tubular stem portion ending in an integrally formed, radially extending face plate. When the stem portion is fitted into the central... | 11/20/2007 |
| 7279655 | Inductively coupled plasma/partial oxidation reformation of carbonaceous compounds to produce fuel for energy production Inductively coupled plasma (ICP) reforming converts carbonaceous compounds into a fuel for use in generating electrical power. Energy rich hydrocarbon fuels, such as coal, marine diesel, oils, and hydrocarbon wastes are employed as a feedstock for the ICP, which tra... | 10/09/2007 |
| 7273996 | Inductively coupled plasma alignment apparatus and method An inductively coupled plasma alignment apparatus having a coil 10 for generating an inductively coupled plasma in a gas, the coil having a first axis 100; a torch 20 passing at least partially through the coil, the torch having a second axis | 09/25/2007 |
