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Class Information
Number: 976/DIG.428
Name: Nuclear technology > Arrangements for handling radiation or particles (e.g., focusing, moderating [g21k-1/00] *** (radiation filters dig. 435) > Using diaphragms, collimators [g21k-1/02]

Sub-classes under this class:

Class Number Class Name Patents
976/DIG.429 Using multiple collimators (e.g., bucky screens); other devices for eliminating undesired or dispersed radiation [g21k-1/02b] 110
976/DIG.430 Using variable diaphragms, shutters, choppers [g21k-1/04] 85

Patents under this class:
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Patent Number Title Of Patent Date Issued
4938916 Flux enhancement for neutron radiography inspection device Jul. 3, 1990
4875226 X-ray machine Oct. 17, 1989
4856041 X-ray detector system Aug. 8, 1989
4856043 Two piece ceramic Soller slit collimator for X-ray collimation Aug. 8, 1989
4853550 Device for irradiating an object with a transportable source generating thermal neutrons Aug. 1, 1989
4852141 Portable X-ray collimator and scatter shield Jul. 25, 1989
4845371 Apparatus for generating and transporting a charged particle beam Jul. 4, 1989
4769829 CT scanner and detector therefor Sep. 6, 1988
4758726 Collimator exchanging system Jul. 19, 1988
4754147 Variable radiation collimator Jun. 28, 1988
4739173 Collimator apparatus and method Apr. 19, 1988
4734988 Method of aligning a collimator to a linear array X-ray detector Apr. 5, 1988
4725734 Radiation-detecting device for computed tomography Feb. 16, 1988
4723263 X-ray source Feb. 2, 1988
4710947 Collimator for a radiation diagnostics apparatus Dec. 1, 1987
4707846 Full spine shielding means Nov. 17, 1987
4679221 CT X-ray collimator including a reinforced collimator blade assembly Jul. 7, 1987
4672212 Multi leaf collimator Jun. 9, 1987
4670894 X-ray source employing cold cathode gas discharge tube with collimated beam Jun. 2, 1987
4669105 System for quantitative arteriography May. 26, 1987
4666651 High energy neutron generator May. 19, 1987
4663531 Mechanism to mount a collimator to a radiation detector of a nuclear medicine diagnostic apparatus May. 5, 1987
4642572 Filter adjustment system for use in electronic accelerators and the like Feb. 10, 1987
4641335 Primary-beam collimator for stereo radiographic x-ray diagnostic apparatus Feb. 3, 1987
4639941 Radiography Jan. 27, 1987
4629893 Device for detachably securing a collimator to a radiation detector Dec. 16, 1986
4627089 Device for positioning a flattening filter in the center of an X-ray radiation Dec. 2, 1986
4602377 Diamond-anvil high-pressure cell with improved X-ray collimation system Jul. 22, 1986
4599515 Moderator and beam port assembly for neutron radiography Jul. 8, 1986
4598208 Collimation system for electron arc therapy Jul. 1, 1986
4582999 Thermal neutron collimator Apr. 15, 1986
4549307 X-Ray imaging system having radiation scatter compensation and method Oct. 22, 1985
4534052 Block for partially limiting a radiation beam, and a collimator comprising such blocks Aug. 6, 1985
4528453 Dual collimator Jul. 9, 1985
4506374 Hybrid collimator Mar. 19, 1985
4490835 X-Ray examination device employing double-slit beam collimation Dec. 25, 1984
4489426 Collimator with adjustable aperture Dec. 18, 1984
4476385 Utilizing gamma cameras for uptake studies Oct. 9, 1984
4472827 Universal limiter for limiting secondary radiation in an X-ray tube provided with said limiter Sep. 18, 1984
4466113 X-Ray examination device having a high local resolution Aug. 14, 1984
4464778 X-ray examination means Aug. 7, 1984
4437188 X-Ray emitting assembly comprising a flange for assembling a sheath assembly and a beam limiting device Mar. 13, 1984
4426351 Irradiation head for neutrotherapy apparatus Jan. 17, 1984
4419764 Slit collimator in a panoramic X-ray apparatus Dec. 6, 1983
4414682 Penetrating radiant energy imaging system with multiple resolution Nov. 8, 1983
4371976 X-Ray apparatus for determining the absorption distribution in a flat examination zone Feb. 1, 1983
4359642 Collimator assembly for an electron accelerator Nov. 16, 1982
4348591 Utilizing gamma cameras for uptake studies and restricted fields of view and multiple aperture collimator systems therefor Sep. 7, 1982
4343997 Collimator assembly for an electron accelerator Aug. 10, 1982
4327293 Electron accelerator and target with collimator Apr. 27, 1982

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