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Class Information
Number: 378/156
Name: X-ray or gamma ray systems or devices > Beam control > Filter
Description: Subject matter including means which allows the passage therethrough of X-rays of selected energy or intensity.










Sub-classes under this class:

Class Number Class Name Patents
378/159 Contoured 97
378/157 Plural 97
378/158 Single filter with plural elements 126


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8649483 Method for producing a grating and phase contrast X-ray system Feb. 11, 2014
8588362 Apparatus and method for dynamic spectral filtration Nov. 19, 2013
8559746 System, method, and apparatus for smoothing of edges in images to remove irregularities Oct. 15, 2013
8488744 X-ray measurement apparatus Jul. 16, 2013
8477903 Validating a compensator for use in a radiation therapy machine to treat a cancer patient Jul. 2, 2013
RE44120 Filter for extreme ultraviolet lithography Apr. 2, 2013
8355482 Radiotherapy apparatus Jan. 15, 2013
8330132 Energy modulator for modulating an energy of a particle beam Dec. 11, 2012
8325879 Filter assembly for computed tomography systems Dec. 4, 2012
8284903 Filter and X-ray imaging system Oct. 9, 2012
8269196 Heavy ion radiation therapy system with stair-step modulation Sep. 18, 2012
8269179 Illumination system and filter system Sep. 18, 2012
8263954 Bolus, bolus manufacturing method, particle beam therapy system, and treatment planning apparatus Sep. 11, 2012
8253121 Method for creating a therapy plan Aug. 28, 2012
8238522 Filter changing assembly for filtering a radiation beam Aug. 7, 2012
8232536 Particle beam irradiation system and method for controlling the particle beam irradiation system Jul. 31, 2012
8218728 Computed tomography scanner, in particular for performing a spiral scan, and a method for controlling a computed tomography scanner Jul. 10, 2012
8199883 X-ray flux management device Jun. 12, 2012
8184776 Filter and X-ray imaging apparatus using the filter May. 22, 2012
8180017 Stereo tube attenuation filter May. 15, 2012
8121253 Radiation therapy using beam modifiers placed against a patient's skin Feb. 21, 2012
RE43036 Filter for extreme ultraviolet lithography Dec. 20, 2011
8077830 Beam filter positioning device Dec. 13, 2011
8059787 Spectrum-preserving heel effect compensation filter made from the same material as anode plate Nov. 15, 2011
8031840 Beam filter, particularly for x-rays Oct. 4, 2011
8018574 Lithographic apparatus, radiation system and device manufacturing method Sep. 13, 2011
8019044 Image acquisition for dual energy imaging Sep. 13, 2011
7995706 Electromagnetic wave/particle beam spectroscopic method and electromagnetic wave/particle beam spectroscopic instrument Aug. 9, 2011
7970096 Method of and system for low cost implementation of dual energy CT imaging Jun. 28, 2011
7903784 Apparatus and method of narrow band x-ray filtering Mar. 8, 2011
7903782 Apparatus and method for fluid phase fraction determination using x-rays optimized for wet gas Mar. 8, 2011
7780352 Radiation system and radiation beam quality detector and method Aug. 24, 2010
7769127 Pre-subject filters for CT detectors and methods of making same Aug. 3, 2010
7742566 Multi-energy imaging system and method using optic devices Jun. 22, 2010
7732742 Device and method for signal processing Jun. 8, 2010
7688935 Method and apparatus of multi-energy imaging Mar. 30, 2010
7688936 Method and apparatus of multi-energy imaging Mar. 30, 2010
7680249 Filter unit, X-ray tube unit, and X-ray imaging system Mar. 16, 2010
7652273 Radiation attenuation device and method includes radiation attenuating fluid and directly communicating adjacent chambers Jan. 26, 2010
7567379 Technique to prevent tin contamination of mirrors and electrodes in an EUV lithography system Jul. 28, 2009
7519162 Lifting drive for a radiation filter in a mammography device Apr. 14, 2009
7515689 X-ray measuring instrument Apr. 7, 2009
7496177 X-ray converter Feb. 24, 2009
7485881 Lithographic apparatus, illumination system, filter system and method for cooling a support of such a filter system Feb. 3, 2009
7443953 Structured anode X-ray source for X-ray microscopy Oct. 28, 2008
7440540 Stereoscopic x-ray system and method Oct. 21, 2008
7430274 XRF analyzer Sep. 30, 2008
7430282 Heel effect compensation filter X-ray irradiator, X-ray CT scanner and method for X-ray CT imaging Sep. 30, 2008
7426260 Polychronic digital radiography detector with patterned mask for single-exposure energy-sensitive X-ray imaging Sep. 16, 2008
7417874 Information processing apparatus having detachable front and rear covers Aug. 26, 2008

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