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| Number | Title | Issue Date |
| 7329884 | Exposure apparatus and exposure method An exposure apparatus and exposure method that produces plasma from a target material, generates pulsed light, and carries out exposure with the pulsed light. In particular, a light emitting source generates pulsed light by producing plasma from an intermitte... | 02/12/2008 |
| 7291985 | External resonator/cavity electrode-less plasma lamp and method of exciting with radio-frequency energy Described is a plasma electrode-less lamp. The device comprises an electromagnetic resonator and an electromagnetic radiation source conductively connected with the electromagnetic resonator. The device further comprises a pair of field probes, the field probes cond... | 11/06/2007 |
| 7233100 | Lighting apparatus using microwave A lighting apparatus using microwave comprises: a waveguide for transmitting microwave generated in a magnetron; a mesh screen installed on an outlet portion of the waveguide for blocking a leakage of the microwave and passing light; a bulb located in the mesh scree... | 06/19/2007 |
| 7141927 | ARC lamp with integrated sapphire rod A pulsed discharge arc lamp can utilize an integrated optical adapter assembly to ease the coupling of an optical fiber to the lamp. An optical rod of the assembly allows for a precise positioning of the output, and acts as an integrating rod whereby the output is t... | 11/28/2006 |
| 6998785 | Liquid-jet/liquid droplet initiated plasma discharge for generating useful plasma radiation Plasma discharge sources for generating emissions in the VUV, EUV and X-ray spectral regions. Embodiments can include running a current through liquid jet streams within space to initiate plasma discharges. Additional embodiments can include liquid droplets within t... | 02/14/2006 |
| 6982421 | Extreme ultraviolet source To both increase the efficiency of conversion into EUV radiation energy and also increase the amount of emerging EUV radiation in an EUV source a discharge tube is connected to a gas supply space for supply of the discharge gas which in located radially with respect... | 01/03/2006 |
| 6956326 | Gas discharge tube having insulator between aperture members The gas discharge tube in accordance with the present invention comprises at least two electrically conductive aperture members disposed within a thermoelectron transmission path between a cathode and an anode, and an insulator for electrically insulating the electr... | 10/18/2005 |
| 6914370 | Upper substrate structure for plasma display panel and fabricating method thereof Disclosed are an upper substrate structure for a plasma display panel including a dielectric layer reinforcing color properties and a fabricating method thereof. The upper substrate structure comprises a sustain electrode formed on an upper glass substrate, a bus el... | 07/05/2005 |
| 6856093 | Elongate ultraviolet light source It is desirable to be able to provide evenly illuminated, long lasting, relatively high power ultraviolet radiation for manufacturing processes such as sterilization and ink or adhesive curing. A generally rigid waveguide (2) having a slot (8) formed i... | 02/15/2005 |
| 6744221 | Electrodeless lighting system and bulb therefor An electrodeless lighting system, including a waveguide having an outlet which is installed being protruded from the inside of a casing to the outside of the casing, for transmitting a microwave generated in the magnetron, a resonator fixed at the outer side of the ... | 06/01/2004 |
| 6452315 | Compact RF plasma device for cleaning electron microscopes and vacuum chambers An improved apparatus is provided for in-situ cleaning of electron microscopes and other vacuum chambers. A special RF plasma electrode is housed in a compact cylinder constructed of standard vacuum components and a electrical feedthrough. The device allo... | 09/17/2002 |
| 6323601 | Reflector for an ultraviolet lamp system A reflector for use in an ultraviolet or other type of lamp system having a plasma bulb. The reflector includes one or more longitudinally extending reflector panels having a characteristic shape that advantageously reflects ultraviolet radiation emanatin... | 11/27/2001 |
| 6137237 | High frequency inductive lamp and power oscillator 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... | 10/24/2000 |
| 5847517 | Method and apparatus for igniting electrodeless lamp with ferroelectric emission Ignition of an electrodeless lamp, energized by microwave or radio frequency energy, is achieved by disposing a ferroelectric igniter in the lamp envelope along with the fill material. The igniter responds to switching of its spontaneous ferroelectric pol... | 12/08/1998 |
| 5798611 | Lamp having controllable spectrum The spectral energy characteristic of a discharge lamp is controlled by changing the density of the fill substance. The spectral characteristic can be shifted while substantially maintaining its shape by changing the density of the fill. A sulfur or selen... | 08/25/1998 |
| 5747917 | Double-walled mircrowave plasma based applicator An improved plasma applicator uses a double-walled sapphire sleeve assembly to provide a high efficiency cooling mechanism that is adapted for use with high power applications and aggressive plasma chemistries in the generation of a plasma. Plasma contain... | 05/05/1998 |
| 5420390 | Image heating apparatus using a microwave discharge plasma lamp An improved image heating apparatus using a plasma lamp is disclosed. The apparatus comprises at least one rotary elliptical mirror having a reflection surface of a rotary elliptical body at the inside; a plasma lamp disposed at a first focal point of the... | 05/30/1995 |
| 5185552 | Vacuum ultraviolet light source A vacuum ultraviolet light source for generating a pulse discharge in a low pressure gas and extracting ultraviolet light from a plasma created in that discharge, is disclosed which comprises a discharge space P, a plate-like anode located in the discharg... | 02/09/1993 |
| 4998039 | Ultracompact flow loop with no rotating components A very compact flow loop for circulating gas through a pulsed laser or other pulsed discharge device is disclosed. An apparatus, having greater resistance to flow and shock wave propagation in the upstream direction, preferentially converts energy from th... | 03/05/1991 |
| 4912731 | Plasma focus apparatus with field distortion elements A plasma focus apparatus has a field distortion element in the interelectrode gap at the breech end displaced from the sleeve of insulating material between the electrodes. As a result the neutron yield of the accelerator (which should be considered as re... | 03/27/1990 |
| 4910436 | Wide area VUV lamp with grids and purging jets A disc-shaped plasma, generated by a ring-shaped cold cathode is used both as an in-situ large area (10-20 cm in diameter) VUV lamp and as a source of ground state and excited atoms. The atoms created in the disc-shaped plasma may be used for initiating s... | 03/20/1990 |
| 4902935 | Method and apparatus for evening out the temperature distribution of electrodeless lamp bulbs An electrodeless lamp bulb is rotated about an axis which is at a designated angle to the predominant direction of the electrical field. This has the effect of evening out the temperature distribution about the bulb and reducing the formation of hot and c... | 02/20/1990 |
| 4866351 | Annular light source unit using electrodeless discharge and a method of lighting the same Disclosed are an annular light source unit using electrodeless discharge and a method of lighting the same. The unit comprises an annular electrodeless discharge tube, a bowl-shaped microwave cavity device, and a plurality of microwave oscillators. The ca... | 09/12/1989 |
| 4823043 | Lens pipe arc lamp A arc discharge light pipe comprised of a sapphire light pipe, a cathode, and an anode. The anode is a hollow cylinder with an end cap having an aperture therein. The pointed cathode and the end cap of the anode form an arc gap which produces a conical ar... | 04/18/1989 |
| 4792725 | Instantaneous and efficient surface wave excitation of a low pressure gas or gases A system for instantaneously ionizing and continuously delivering energy in the form of surface waves to a low pressure gas or mixture of low pressure gases, comprising a source of rf energy, a discharge container, (such as a fluorescent lamp discharge tu... | 12/20/1988 |
| 4785220 | Multi-cathode metal vapor arc ion source An ion generating apparatus utilizing a vacuum chamber, a cathode and an anode in the chamber. A source of electrical power produces an arc or discharge between the cathode and anode. The arc is sufficient to vaporize a portion of the cathode to form a pl... | 11/15/1988 |
| 4782267 | In-situ wide area vacuum ultraviolet lamp An open wide area vacuum ultraviolet lamp for use in microelectronics processing applications employes a ring-shaped cold cathode to produce a trapped electron beam discharge of generally disc-shaped cross section in a low pressure molecular gas environme... | 11/01/1988 |
| 4623250 | DC plasma jet generator for emission spectrochemical analysis Improvements on a DC plasma jet generator for emission spectrochemical analysis wherein two anode blocks and one cathode block are positioned in an inverted Y shape, and each of the anode blocks has a cylinder, a piston, an an anode received by a recess i... | 11/18/1986 |
| 4622675 | Forced transport molecular gas laser and method A forced transport, electrically excited molecular gas laser is disclosed. The laser includes a flow path for a gaseous lasing medium at high pressure such as 50 to 150 Torr, a blower for moving the gaseous lasing medium at high speed along the flow path,... | 11/11/1986 |
| 4534032 | Apparatus for establishing and maintaining a stable electrical discharge across a stream of gas, and a high-power laser including such apparatus Apparatus for establishing and maintaining a stable electrical discharge across a stream of gas flowing through a gas flow channel, particularly useful in high-power lasers, comprises a plurality of modular elements each including a plurality of electrode... | 08/06/1985 |
| 4449220 | Apparatus and method for deposition of electrical power in an electric discharge laser An improved electrode configuration and method for the deposition of electrical energy into an electric discharge laser having a gas path transversely disposed to an optical axis and the electric field is disclosed. The electrode configuration includes a ... | 05/15/1984 |
| 4201921 | Electron beam-capillary plasma flash x-ray device A method and device for the generation of x-rays is described. X-rays can be generated by establishing a high density plasma in a capillary passage and then passing an electron beam therethrough. The device has a cylindrical passage, the ends of which are... | 05/06/1980 |
| 4200819 | Unitary supersonic electrical discharge laser nozzle-channel The nozzle and laser channel walls for a supersonic electrical discharge gas laser are formed from fully contoured single pieces of dielectric material. The axially symmetric, two-dimensional wall contours of the combined nozzle and laser channel describe... | 04/29/1980 |
| 4158790 | High intensity atomic spectral lamp with interchangeable cathode A high intensity atomic spectral lamp having a first set of electrodes including a primary cathode consisting of or comprising a selected element adapted to produce a primary electric discharge which gives rise to an atomic vapor of said element by cathod... | 06/19/1979 |
| 4059813 | Coherent counter-streaming electrostatic wave raman interaction system utilizing opposing electron beams for the production of coherent microwaves in plasmas The generation of controlled, electromagnetic, coherent, microwave radiation from a warm, uniform plasma at approximately twice the electron plasma frequency by means of two oppositely directed streams of high energy electrons and the coupling of the resu... | 11/22/1977 |
| 4042848 | Hypocycloidal pinch device A hypocycloidal pinch device comprising three spaced apart coaxially aligned, annular electrodes; means for insulating the outer electrodes from the middle electrode; means for containing the spaced apart electrodes; means for charging the containing mean... | 08/16/1977 |
| 3952266 | Gaseous flux laser generator with pre-ionization gas injection nozzle Gaseous flux laser generator comprising a nozzle for injecting a gas into an enclosure, two main electrodes for setting up a discharge in that enclosure and two auxiliary electrodes arranged at the output of the nozzle for ionizing the injected gas.... | 04/20/1976 |
| 3944946 | Coherent generation of microwaves by stimulated Raman emissions The generation of controlled, electromagnetic, coherent, microwave radiation from a warm, uniform plasma at approximately twice the plasma frequency by means of a source of high energy electrons being directed into a plasma and coupling the resultant ener... | 03/16/1976 |
| 3942018 | Production of ultra-violet radiation A method of producing U.V. radiation by effecting an electrical discharge such that at least a part of the discharge path is submerged in water. An apparatus for performing the above method comprises two electrodes spaced apart to form a discharge region,... | 03/02/1976 |
