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| Number | Title | Issue Date |
| 7429818 | Plasma lamp with bulb and lamp chamber A dielectric waveguide integrated plasma lamp (DWIPL) with a body comprising at least one dielectric material having a dielectric constant greater than approximately 2, and having a shape and dimensions such that the body resonates in at least one resonant mode when... | 09/30/2008 |
| 7372059 | Plasma-based EUV light source Various mechanisms are provided relating to plasma-based light source that may be used for lithography as well as other applications. For example, a device is disclosed for producing extreme ultraviolet (EUV) light based on a sheared plasma flow. The device can prod... | 05/13/2008 |
| 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 |
| 7173359 | Brush holder assembly for an electric motor A universal motor has a brush cage assembly in which a U-shaped clip 34 is located about a wall of a through hole 28 of a bearing bracket 24 for receiving a brush cage 30. The clip 34 has an outer limb 42 with inwardly and r... | 02/06/2007 |
| 7005782 | Charged particle beam extraction and formation apparatus A charged particle apparatus, with multiple electrically conducting semispheric grid electrodes, the grid electrodes mounted in a dielectric mounting ring, with hidden areas or regions to maintain electrical isolation between the grid electrodes as sputter deposits ... | 02/28/2006 |
| 6987364 | Floating mode ion source A cold-cathode closed-drift ion source includes an anode, a cathode and a power supply. In certain example embodiments, neither the positive nor negative terminals of the power supply are connected to ground, and the anode and cathode are also not connected to groun... | 01/17/2006 |
| 6969851 | Ion-mobility spectrometry sensor for NOx detection A sensor and detection methods are provided for detecting nitric oxides (NOx) in an exhaust gas based upon ion mobility spectrometry (IMS) technique. An ionization chamber having an interior electrically conductive shell receives exhaust gas. A spark electrode havin... | 11/29/2005 |
| 6919672 | 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 ... | 07/19/2005 |
| 6894298 | Arrangement for generating extreme ultraviolet (EUV) radiation based on a gas discharge The invention is directed to a method and an arrangement for generating extreme ultraviolet (EUV) radiation, i.e., radiation of high-energy photons in the wavelength range from 11 to 14 nm, based on a gas discharge. The object of the invention, to find a novel possi... | 05/17/2005 |
| 6659110 | Method and apparatus for cleaning drums or belts A method of removing organic impurities from a surface of a substrate that is used for feeding or processing web material, wherein a jet of an atmospheric plasma is directed onto the surface of the substrate.... | 12/09/2003 |
| 6621199 | High intensity electromagnetic radiation apparatus and method A method and apparatus for producing high intensity electromagnetic radiation are disclosed. The apparatus includes a high intensity arc lamp having an inner envelope cooled by a first flow of liquid along an inside surface of the inner envelope. The arc ... | 09/16/2003 |
| 6608432 | Cathode target mounting for cathodic arc cathodes An apparatus for cathodic arc coating. The apparatus includes: a vacuum chamber which includes an anode; a power supply; and a cathode target assembly connected to the power supply. The cathode target assembly includes a cathode target and a target holder... | 08/19/2003 |
| 6566813 | Overvoltage protection device with concentric arcing horns An overvoltage protection device (1) with a first electrode (2) which has a first arcing horn (3), with a second electrode (4) which has a second arcing horn (5), with an air-breakdown spark gap (6) which is active between the arcing horns (3, 5), and wit... | 05/20/2003 |
| 6515252 | Plasma torch cartridge and plasma torch equipped therewith The invention concerns a plasma torch comprising an interchangeable cartridge (100) consisting of six components only: an electroplating copper anode nozzle (1); an electroplating cathode support (2); a doped tungsten cathode (3); a plastic cathode diffus... | 02/04/2003 |
| 6424082 | Apparatus and method of improved consumable alignment in material processing apparatus An output structure for material processing apparatus facilitates field replacement of consumable components, while maintaining important alignments. Contoured surfaces within the output structure mate with corresponding contoured surfaces on the consumab... | 07/23/2002 |
| 6384374 | Spark gap assembly for a welding power supply A spark gap assembly for a welding power supply includes at least one pair of spark gap points and a housing base including at least one base groove for axially aligning the spark gap points. Point stops are disposed to retain some of the spark gap points... | 05/07/2002 |
| 6376978 | Quartz antenna with hollow conductor A radio frequency (RF) antenna for plasma ion sources is formed of a hollow metal conductor tube disposed within a glass tube. The hollow metal tubular conductor has an internal flow channel so that there will be no coolant leakage if the outer glass tube... | 04/23/2002 |
| 6369493 | Microwave plasma applicator having a thermal transfer medium between a plasma containing tube and a cooling jacket A plasma applicator having a tube that is surrounded by a cooling jacket such that a volume is defined proximate the tube. The volume is filled with a thermal transfer medium to couple heat from the tube to the cooling jacket. The cooling jacket contains ... | 04/09/2002 |
| 6348670 | Energy storage apparatus and discharge device for magnetic pulse welding and forming An energy storage system for use in a magnetic pulse welding and forming apparatus includes a bank of capacitors and a very-low inductance conductive bus system interconnecting the capacitors. The energy storage system further includes an energy source co... | 02/19/2002 |
| 6326739 | Wedding ring shaped excitation coil A high frequency inductively coupled electrodeless lamp includes an excitation coil with an effective electrical length which is less than one half wavelength of a driving frequency applied thereto, preferably much less. The driving frequency may be great... | 12/04/2001 |
| 6307308 | Low pressure gas discharge switch with particular electrode structure At least main electrodes for a low pressure gas discharge arranged at a distance from each other are present in such switches, the main electrodes forming a cathode and an anode of a discharge path in an interrupter chamber for the gas discharge which is ... | 10/23/2001 |
| 6294862 | Multi-cusp ion source An ion source (26) includes a plasma confinement chamber and a plasma electrode (70) forming a generally planar wall section of the plasma confinement chamber. The plasma electrode (70) has at least one opening (84, 86) for allowing an ion beam (88) to ex... | 09/25/2001 |
| 6137231 | Constricted glow discharge plasma source A constricted glow discharge chamber and method are disclosed. The polarity and geometry of the constricted glow discharge plasma source is set so that the contamination and energy of the ions discharged from the source are minimized. The several sources ... | 10/24/2000 |
| 6084350 | Ion generating device An ion generating device according to the present invention has a substrate having at least one insulating surface. A pair of electrodes is separately formed on the substrate to generate a corona discharge therebetween for ionizing gas floating in the atm... | 07/04/2000 |
| 6037715 | Spark switch having coaxial electrodes with increased electrode surface area exposure A geometry for a spark switch includes an inner electrode surrounded by an outer electrode. The placement of the inner electrode within the outer electrode substantially increases the exposed overlapping surface area of the electrodes. The increase in sur... | 03/14/2000 |
| 6020690 | Electrodeless discharge lamp and the manufacturing method thereof An electrodeless discharge lamp has an arc tube which seals at least rare gas and one of luminous metal and metal halide thereinto, an opening of the arc tube being vacuum-sealed with at least molten glass, and an sealing unit of the arc tube being placed... | 02/01/2000 |
| 6005349 | Method for generating and maintaining a glow plasma discharge A method and apparatus for stabilizing glow plasma discharges by suppressing the transition from glow-to-arc includes a perforated dielectric plate having an upper surface and a lower surface and a plurality of holes extending therethrough. The perforated... | 12/21/1999 |
| 5951888 | Plasma electrode with arc-starting grooves An electrode and a plasma arc torch are provided wherein the useful service life of the electrode is extended and the starting ability of the torch is improved because the arc is transferred from an initiation point to a final attaching point which is cen... | 09/14/1999 |
| 5906758 | Plasma arc torch A plasma arc torch which has a cooling water passage for cooling both the electrode and the nozzle, and separate passages for a cutting gas and a shielding gas. The nozzle is centered and longitudinally held by an interengaging fit with a tubular member o... | 05/25/1999 |
| 5896012 | Metal ion plasma generator having magnetic field forming device located such that a triggering is between the magnetic field forming device and an anode When a trigger discharge between a metal cathode and a trigger ring induces a vacuum-arc discharge between the cathode an anode, which vaporizes the substances of the cathode surface to produce a metal ion plasma, setting the pulse length of the arc pulse... | 04/20/1999 |
| 5850125 | Pseudospark switch having an insulator between electrodes A pseudospark switch including an insulator which can withstand high temperature plasma and is arranged between both electrodes thereof, thereby being capable of preventing the electrodes from being damaged while allowing a large amount of charge to flow ... | 12/15/1998 |
| 5838120 | Accelerator with closed electron drift The invention is related to a plasma technology field, in particular, to plasma accelerators, used in a space technology, in scientific researches and in industry. A technical result is that the accelerator has an increased lifetime which is achieved by r... | 11/17/1998 |
| 5821677 | Ion source block filament with laybrinth conductive path A filament plate for an ion beam source assembly of an ion implantation apparatus is disclosed. The filament plate is comprised of tungsten and includes two spaced apart spiral slits through a width of the plate. A gap width of the slits in not substantia... | 10/13/1998 |
| 5814942 | Method and apparatus for generating high-density sheet plasma mirrors using a slotted-tube cathode configuration A method and apparatus for generating high-density sheet plasma mirrors having a longitudinally slotted cathode, circular in shape, having an inner cavity and a slot of a predetermined width positioned along the length of the cathode. A discharge voltage ... | 09/29/1998 |
| 5747767 | Extended water-injection nozzle assembly with improved centering A plasma arc torch is provided with an extended water-injection nozzle assembly characterized by the ability to produce a bevel cut or weld, and a cut or weld within a concavity on the top surface of a workpiece. The nozzle assembly includes a nozzle base... | 05/05/1998 |
| 5640843 | Integrated arcjet having a heat exchanger and supersonic energy recovery chamber A gas ionizable to produce a plasma is introduced into an arcjet whose design includes integration of performance enhancing components in a complimentary manner to significantly improve arcjet performance and capabilities. Major integrated design features... | 06/24/1997 |
| 5640020 | Ion generation device, ion irradiation device, and method of manufacturing a semiconductor device An ion generation device includes a chamber in which plasma is generated, a first opening for introducing gas to be ionized by the plasma, and a second opening for irradiating ions generated from the gas. The inner wall of the chamber is coated with metal... | 06/17/1997 |
| 5608297 | Plasma switch and switching method with fault current interruption A plasma switch is provided which can limit fault currents to a range that is elecrostatically interruptible by a control grid. The switch includes magnets that generate a first magnetic vector which cooperates with an electric field to generate a plasma,... | 03/04/1997 |
| 5569976 | Ion emmiter based on cold cathode discharge The emitter includes hollow cylindrical cathode, which has a multi-apertured emission window at one end, and a coaxial rod-shaped anode at the other end, mounted with a feed-through insulator. A magnetic coil is mounted coaxially on the outside of the cat... | 10/29/1996 |
| 5517077 | Ion implantation having increased source lifetime Ion implantation equipment is modified so as to provide filament reflectors to a filament inside of an arc chamber, and to remove the electrical insulators for the filament outside of the arc chamber and providing a means of shielding, thereby reducing th... | 05/14/1996 |
