Patents
Patents for G21K 4 - Conversion screens for the conversion of the spatial distribution of particles or ionising radiation into visible images, e.g. fluoroscopic screens (3,266)
09/1983
09/21/1983EP0088820A1 Radiographic image conversion screens
09/20/1983US4405691 Terbium activated yttrium gadolinium oxysulfide X-ray phosphor and screen containing the same
09/07/1983EP0087639A2 Water soluble fluors
08/1983
08/23/1983US4400619 Method of and apparatus for obtaining a radiation image by use of a stimulable phospher
08/09/1983US4398093 Converter for converting non-luminous photons into luminous photons
08/03/1983EP0084818A2 Radiation image storage panel
07/1983
07/19/1983US4394581 Radiation image storage panel
07/13/1983EP0083470A2 Radiation image storage panel
07/06/1983EP0083255A1 Rare earth phosphors for x-ray conversion screens
07/06/1983EP0083085A2 Radiation image recording and reproducing method
07/06/1983EP0083071A1 Phosphor and radiographic intensifying screen
06/1983
06/07/1983US4387141 X-Ray screens based on phosphor mixtures of CaWO4 and rare earth tantalates
06/01/1983EP0080360A1 Radiation image storage panel
05/1983
05/25/1983EP0079751A1 Noise erasing method for stimulable phosphor sheet
05/25/1983EP0079691A1 Noise erasing apparatus for stimulable phosphor sheet
05/25/1983EP0079557A2 Cassette having radiation image storage medium
04/1983
04/27/1983EP0077676A2 Radiation image recording system
04/19/1983US4380702 Radiation image storage panel
03/1983
03/23/1983EP0074355A1 Measuring instrument for checking the squeeze time in spot welding.
03/08/1983CA1142657A1 Green-emitting x-ray intensifying screens
03/01/1983US4375423 Index-matched phosphor scintillator structures
02/1983
02/22/1983US4374749 Index-matched phosphor scintillator structures
02/01/1983US4371806 Luminescent screen with grid structure for X-ray image intensifier
01/1983
01/18/1983US4369367 Radiation image information read out device
01/18/1983CA1139897A1 High resolution radiation detector
01/11/1983US4368390 With fluorescent layer containing phosphor and light reflecting layer
12/1982
12/21/1982US4365155 Scintillator with ZnWO4 single crystal
12/07/1982US4362944 Radiographic intensifying screen
12/01/1982EP0065877A1 Industrial X-ray system
11/1982
11/23/1982US4360571 Rare earth oxyhalide mixed with a fatty acid
11/23/1982CA1136293A1 Autofluorogram and composition and method for making the same
11/16/1982CA1135775A1 Monocrystalline luminescent screen
09/1982
09/22/1982EP0060541A1 Process for the preparation of a phosphorus suspension
09/21/1982US4350893 Radiation image storage panel
08/1982
08/10/1982CA1129189A1 X-ray intensifying screen based on rare earth tantalate
07/1982
07/28/1982EP0056599A1 Noise erasing method in a radiation image recording and reproducing method
07/08/1982WO1982002163A1 Measuring instrument for checking the squeeze time in spot welding
06/1982
06/29/1982CA1126480A1 Divalent europium based luminescent substances emitting in the blue spectrum
06/01/1982US4333030 Image converter tube with contrast enhancing filter which partially absorbs internally reflected light
06/01/1982CA1124891A1 X-ray image intensifying screens
05/1982
05/04/1982CA1123125A1 Ceramic-like scintillators
04/1982
04/06/1982CA1121223A1 Technique for fabricating radiation sensitive dosimeters
02/1982
02/23/1982US4316817 Index-matched phosphor scintillator structures
02/16/1982US4316092 Terbium activated gadolinium oxysulfide phosphor
02/16/1982US4315979 Multilayer screens
01/1982
01/27/1982EP0044516A1 Phosphor and radiation image storage panel utilizing the same
01/19/1982US4311487 Recrystallization of activated rare-earth oxyhalide phosphors
01/19/1982CA1116391A1 Phosphor-containing compositions and their use in x-ray photography
01/19/1982CA1116389A1 X-ray intensifying screens
12/1981
12/23/1981EP0042149A1 Radiation excited phosphor screen and method for manufacturing the same
12/16/1981EP0041869A1 Recrystallization of activated rare-earth oxyhalide phosphors
12/01/1981US4303860 High resolution radiation detector
11/1981
11/24/1981US4302672 Image gradation processing method and apparatus for radiation image recording system
11/17/1981CA1112773A1 Low intensity x-ray and gamma-ray imaging device
11/03/1981US4298820 Luminescent screen
11/03/1981US4298650 Phosphorescent screens
10/1981
10/27/1981US4297584 Stabilization of cerium-activated oxybromides of yttrium, lanthanum, and gadolinium with a moisture-protective coating of the oxychloride
10/15/1981WO1981002866A1 Luminescent screens
10/06/1981US4293436 Phosphor, carboxylic acid carrier
09/1981
09/29/1981US4292107 Process for manufacturing a radiographic intensifying screen
09/29/1981CA1109740A1 Fluorescent x-ray image intensifying screen
09/15/1981CA1108839A1 X-ray phosphors with low afterglow
06/1981
06/16/1981CA1103012A1 Radiation-conversion screens
06/10/1981EP0029963A1 Phosphor and radiation image storage panel utilizing the same
05/1981
05/19/1981US4268750 Realtime radiation exposure monitor and control apparatus
05/13/1981EP0028521A1 Green-emitting X-ray intensifying screens
05/13/1981EP0028261A1 Improved photon detector
05/13/1981EP0028260A1 Apparatus for imaging objects
05/05/1981US4266137 Cerium activated yttrium gadolinium phosphate x-ray phosphors, process for producing same, an x-ray intensifying screen employing same
04/1981
04/21/1981US4263061 Oxidizing aluminum to boehmite to form random leaflets on surface
04/14/1981US4261854 Phosphor
03/1981
03/31/1981US4259588 Improved visualization of objects having low x-ray contrast
03/31/1981US4259579 Waveguide line spread function analyzing apparatus
03/31/1981CA1098302A1 Rare earth phosphors and phosphor screens
03/24/1981US4258264 Method of and apparatus for reading out a radiation image recorded in a stimulable phosphor
03/18/1981EP0025374A1 Non-luminous-photons-into-luminous-photons converter and non-destructive testing apparatus using such a converter
03/17/1981US4256965 High energy fluoroscopic screen
02/1981
02/24/1981CA1096158A1 Yitrium indium phosphate x-ray phosphors
01/1981
01/21/1981EP0022564A1 Method of and apparatus for obtaining a radiation image by use of a stimulable phosphor
01/20/1981US4246485 X-ray intensifying screens
01/07/1981EP0021174A1 Radiation image storage panel
12/1980
12/30/1980US4242221 Ceramic-like scintillators
12/23/1980US4240992 Peelable phosphor particles and binder sintered coating
12/16/1980US4239968 Method and apparatus for recording and reproducing a radiation image
12/11/1980WO1980002785A1 Method of impressing and reading out a surface charge on a multi-layered detector structure
12/10/1980EP0019880A1 Phosphor and process for preparing the same
11/1980
11/27/1980WO1980002603A1 Improved photon detector
11/27/1980WO1980002602A1 Realtime radiation exposure monitor and control apparatus
11/25/1980US4236078 Method and apparatus for recording and reproducing a radiation image
11/25/1980US4236077 Image intensifier
09/1980
09/30/1980US4225653 X-ray intensifying screen based on rare earth tantalate
09/23/1980US4224524 X-Ray image intensifying screens comprising rare-earth oxyhalide phosphor particles
09/02/1980US4220551 Novel blue light emitting luminophors
08/1980
08/06/1980EP0013775A1 X-ray screen device and its use for tomography
08/05/1980CA1082877A1 (hf in1-x xxzr.sub.x).sub.3p.sub.2o in11 xx luminescent material
07/1980
07/08/1980CA1080957A1 Process for improving the properties of oxysulfide phosphor materials
06/1980
06/17/1980US4208470 Phosphor and antimony compound
06/11/1980EP0011909A1 X-ray intensifying screen based on a tantalate phosphor and process for producing the phosphor
05/1980
05/27/1980US4205234 Intensifying screens
05/27/1980US4205116 Fluorscent X-ray image intensifying screen
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