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Class Information
Number: 250/493.1
Name: Radiant energy > Radiant energy generation and sources
Description: Subject matter which includes radiation emitters of this class type and not provided for elsewhere.


Sub-classes under this class:

Class Number Class Name Patents
250/494.1 Plural radiation sources 165
250/496.1 With container for radioactive source and radiation directing or selectable shielding 87
250/503.1 With radiation modifying member 117


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
7459707 Exposure apparatus, light source apparatus and device fabrication Dec. 2, 2008
7459858 Hall thruster with shared magnetic structure Dec. 2, 2008
7460226 Spectrophotometer Dec. 2, 2008
7456416 Plug-in radiation source module for a weathering apparatus Nov. 25, 2008
7456417 Laser plasma EUV light source, target material, tape material, a method of producing target material, a method of providing targets, and an EUV exposure device Nov. 25, 2008
7453076 Bi-polar treatment facility for treating target cells with both positive and negative ions Nov. 18, 2008
7453075 Charged particle beam exposure system Nov. 18, 2008
7453077 EUV light source Nov. 18, 2008
7446329 Erosion resistance of EUV source electrodes Nov. 4, 2008
7439529 High current density ion source Oct. 21, 2008
7439530 LPP EUV light source drive laser system Oct. 21, 2008
7435982 Laser-driven light source Oct. 14, 2008
7435980 Electron beam irradiation device Oct. 14, 2008
7435981 Electron beam sterilizer Oct. 14, 2008
7432517 Pulse modifier, lithographic apparatus, and device manufacturing method Oct. 7, 2008
7427766 Method and apparatus for producing extreme ultraviolet radiation or soft X-ray radiation Sep. 23, 2008
7420191 Discharge radiation source, in particular UV radiation Sep. 2, 2008
7411202 Irradiating apparatus Aug. 12, 2008
7407617 Free radical polymerization method having reduced premature termination, apparatus for performing the method, and product formed thereby Aug. 5, 2008
7405416 Method and apparatus for EUV plasma source target delivery Jul. 29, 2008
7402825 LPP EUV drive laser input system Jul. 22, 2008
7397055 Smith-Purcell radiation source using negative-index metamaterial (NIM) Jul. 8, 2008
7397056 Lithographic apparatus, contaminant trap, and device manufacturing method Jul. 8, 2008
7397428 Coherent THz emitter with DC power reducing resistor Jul. 8, 2008
7394083 Systems and methods for EUV light source metrology Jul. 1, 2008
7391040 Thermal image beacons Jun. 24, 2008
7388220 EUV light source Jun. 17, 2008
7385211 Method of generating extreme ultraviolet radiation Jun. 10, 2008
7378672 Particle beam therapeutic apparatus May. 27, 2008
7378673 Source material dispenser for EUV light source May. 27, 2008
7372059 Plasma-based EUV light source May. 13, 2008
7368730 Weathering apparatus with UV radiation sources and radiation sensors containing a double-calibrated UV sensor May. 6, 2008
7368733 Contamination barrier and lithographic apparatus comprising same May. 6, 2008
7368741 Extreme ultraviolet light source May. 6, 2008
7368742 Arrangement and method for metering target material for the generation of short-wavelength electromagnetic radiation May. 6, 2008
7365349 EUV light source collector lifetime improvements Apr. 29, 2008
7365348 Adjusting device of an apparatus for generating a beam of charged particles Apr. 29, 2008
7361915 Beam current stabilization utilizing gas feed control loop Apr. 22, 2008
7361916 Coupled nano-resonating energy emitting structures Apr. 22, 2008
7361918 High repetition rate laser produced plasma EUV light source Apr. 22, 2008
7355189 Charged particle therapy system, range modulation wheel device, and method of installing range modulation wheel device Apr. 8, 2008
7354504 Dielectric profile controlled microwave sterilization system Apr. 8, 2008
7351374 Surface plasmon enhanced illumination apparatus having non-periodic resonance configurations Apr. 1, 2008
7348582 Light source apparatus and exposure apparatus having the same Mar. 25, 2008
7335900 Radiation generating device, lithographic apparatus, device manufacturing method and device manufactured thereby Feb. 26, 2008
7329886 EUV illumination system having a plurality of light sources for illuminating an optical element Feb. 12, 2008
7323703 EUV light source Jan. 29, 2008
7323694 Fluid treatment system and radiation source module for use therein Jan. 29, 2008
7318907 Surface plasmon enhanced illumination system Jan. 15, 2008
7317196 LPP EUV light source Jan. 8, 2008

1 2 3 4 5 6 7 8 9 10 11


 
 
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