| 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) |
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| 09/08/1998 | US5804819 Method for quantitative verification of scanning geometry in digital radiographic read out system |
| 09/01/1998 | US5801391 Radiation image read-out apparatus |
| 09/01/1998 | US5801385 X-ray image pickup device |
| 08/27/1998 | WO1998037166A1 Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same |
| 08/27/1998 | WO1998037165A1 Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same |
| 08/26/1998 | EP0860492A1 X-ray intensifying screen based on barium hafnium zirconium phosphate |
| 08/19/1998 | EP0859372A1 Radiation image conversion panel |
| 08/19/1998 | EP0774166A4 Ccd x-ray densitometer system |
| 08/13/1998 | WO1998035214A2 Soft x-ray microfluoroscope |
| 08/04/1998 | US5789021 Coated layer of phosphor particles in a binder |
| 07/28/1998 | US5786600 Radiographic storage screen; imaging |
| 07/01/1998 | EP0851455A1 Radiological image intensifier tube |
| 07/01/1998 | EP0851436A1 Rare earth activated alkaline earth metal fluorohalide stimulable phosphor and radiation image conversion panel |
| 06/30/1998 | US5773923 X-ray image intensifier tube |
| 06/30/1998 | US5772916 High resolution phosphor screen |
| 06/04/1998 | WO1998023999A1 Imaging cassette for x-ray apparatus |
| 06/03/1998 | EP0769192B1 Photostimulable phosphor screen suited for dual energy recording |
| 06/02/1998 | US5760416 Radiographic image information reading apparatus |
| 05/28/1998 | DE19751545A1 Equipment for measuring radiation dose deep in human tissue |
| 05/28/1998 | DE19723445A1 Radiation dose measurement system for e.g. X=ray or electron irradiation |
| 05/13/1998 | EP0841592A1 Protective sheath for an image plate |
| 05/06/1998 | CN1180903A Experimental method of designing for discovering fundamental partical honeycombed arranged model predicted new particle |
| 05/06/1998 | CN1180847A Photographic silver halide photosensitive material |
| 05/05/1998 | US5747825 Shadowgraphic x-ray imager with TDI camera and photo stimulable phosphor plate |
| 05/05/1998 | US5746943 Multilayer screen with support and active layer for ultraviolet emission |
| 04/29/1998 | EP0838720A1 Sensitization process of silver halide photographic emulsion |
| 04/28/1998 | US5743977 Radiation image storage panel and its preparation |
| 04/22/1998 | EP0837117A1 Phosphor screen, method of producing the same, and method for preparing a phosphor powder for producing a phosphor screen |
| 04/16/1998 | DE19641626A1 X-ray image intensifier with vessel for accommodating electrodes |
| 04/15/1998 | EP0835920A1 A new photostimulable phosphor |
| 04/15/1998 | CA2216307A1 Phosphor screen, method of producing the same, and method for preparing a phosphor powder for producing a phosphor screen |
| 04/14/1998 | US5739542 Resolution, sensitivity |
| 04/07/1998 | US5736069 Radiation image storage screen comprising and alkali metal halide phosphor |
| 04/01/1998 | EP0833195A1 Radiographic elements containing ultrathin tabular grain emulsions |
| 03/26/1998 | WO1998012731A1 X-ray image tube and method for manufacturing the same |
| 03/03/1998 | US5724171 Optical scanning apparatus |
| 02/25/1998 | EP0825161A1 X-ray scintillators and devices incorporating them |
| 02/10/1998 | US5716774 Radiographic elements containing ultrathin tabular grain emulsions |
| 01/22/1998 | WO1998003011A1 Imaging apparatus having a large sensing area |
| 01/22/1998 | CA2260103A1 Imaging apparatus having a large sensing area |
| 01/21/1998 | EP0820069A1 An X-ray intensifying screen comprising a monoclinic m yttrium tantalate phosphor |
| 01/13/1998 | US5707548 Materials and device incorporating phoshors |
| 12/29/1997 | EP0814593A2 Image reading apparatus |
| 12/24/1997 | WO1997048781A1 Rare earth sulfate phosphor and x-ray detector using the same |
| 12/16/1997 | US5698857 (Barium hafnate: Cu) phosphors and phosphor screens |
| 12/02/1997 | US5693440 Multivariate statistical process control |
| 12/02/1997 | US5693254 Radiology screens having luminescent areas containing mixed halides of group 1a, iia, iib and iiib elements |
| 11/20/1997 | WO1997042877A1 A system for quantitative radiographic imaging |
| 11/20/1997 | CA2254877A1 A system for quantitative radiographic imaging |
| 11/12/1997 | EP0592616B1 Ultraviolet film/screen combinations for improved radiological evaluations |
| 11/11/1997 | US5686732 X-ray apparatus comprising a photoconductor and a charging device |
| 11/11/1997 | US5686721 Position-transmitting electromagnetic quanta and particle radiation detector |
| 10/01/1997 | EP0798360A2 Process of preparing tantalate x-ray intensifying phosphors with decreased delayed fluorescence |
| 10/01/1997 | EP0797835A1 Method for fabricating a pixelized phosphor |
| 09/24/1997 | CN1160452A Method for manufacture of radiographic intensifying screen |
| 09/24/1997 | CN1160451A Method for manufacture of radiographic intensifying screen with fluorinated surfactant |
| 09/10/1997 | CN1159069A X-ray picture tube |
| 09/02/1997 | US5663005 Self-supporting phosphor layers, binders and polymers |
| 08/26/1997 | US5661309 Electronic cassette for recording X-ray images |
| 08/26/1997 | US5661306 Stimulable phosphor sheet |
| 08/05/1997 | US5654555 System for supplying a processed radiographic image to a remote device |
| 08/05/1997 | US5653830 Applying phosphor in fluid form to smooth-surfaced sheet, solidifying, bonding exposed side of phosphor layer to substrate, removing sheet, leaving planar phosphor surface |
| 07/29/1997 | US5652088 Silver halide photographic material |
| 07/23/1997 | EP0785445A1 Radiation read-out apparatus |
| 07/23/1997 | EP0784858A1 Method for the manufacture of a radiographic intensifying screen with fluorinated surfactant |
| 07/23/1997 | EP0784857A1 Radiation cured radiographic intensifying screen |
| 07/23/1997 | EP0784856A1 Method for the manufacture of a radiographic intensifying screen |
| 07/08/1997 | US5646412 Coated radiographic phosphors and radiographic phosphor panels |
| 07/01/1997 | US5644662 Multiple processing of radiographic images based on a pyramidal image decomposition |
| 07/01/1997 | US5644193 Phosphor, cathode-ray tube, fluorescent lamp and radiation intensifying screen |
| 06/24/1997 | US5641968 Radiation image storage panel and its preparation |
| 06/24/1997 | US5641967 Increased photostimulated luminescence |
| 06/24/1997 | US5641583 Having enhanced stabilization against yellowing |
| 06/18/1997 | EP0686178B1 Sol-gel glasses doped with storage phosphor |
| 06/17/1997 | US5640016 Rare-earth oxysulfide scintillators and X-ray detectors using rare-earth oxysulfide scintillators |
| 06/17/1997 | US5639400 Contains a oxazoline compound as a stabilizer to reduce the decline of photostimulated luminescence intensities of storage phosphor |
| 06/17/1997 | US5639399 For x-ray image transferring sheets |
| 06/04/1997 | EP0777148A1 Radiation image read-out apparatus |
| 06/03/1997 | US5635727 Method for forming neutron images |
| 05/27/1997 | US5633493 Contains no fixed pattern noise |
| 05/27/1997 | US5632930 Class of stabilizing compounds for phosphor screens |
| 05/21/1997 | EP0774166A1 Ccd x-ray densitometer system |
| 05/20/1997 | US5630963 Class of stabilizing compounds for phosphor screens |
| 05/13/1997 | US5629968 Apparatus and method for obtaining two radiographic images of an object from one exposing radiation dose |
| 05/13/1997 | US5629125 Phosphor made by firing mix of baf2; nh4br; optional bacl2 or bai2; csf, csbr and/or csi; strontium halide, optionally mixed with calcium and/or magnesium halide; europium halide, oxide, nitrate and/or sulfate |
| 05/06/1997 | US5626957 Antistatic x-ray intensifying screen comprising sulfonyl methide and sulfonyl imide and amide salts |
| 04/29/1997 | US5624603 Bariumfluorohalide phosphor comprising calcium ions at the surface |
| 04/23/1997 | EP0769192A1 Photostimulable phosphor screen suited for dual energy recording |
| 04/22/1997 | US5623141 X-ray image intensifier with high x-ray conversion efficiency and resolution ratios |
| 04/22/1997 | US5623139 For reading an image recorded on radiation sensitive film |
| 04/16/1997 | EP0768793A2 Radiographic image information reading apparatus |
| 04/09/1997 | EP0767389A2 X-ray image pickup device |
| 03/18/1997 | US5612987 X-ray analyzing apparatus |
| 03/18/1997 | US5611960 Using a flux of potassium chloride, lithium chloride or lithium sulfate, and strontium chloride |
| 03/11/1997 | US5609793 Rare earth oxysulfides |
| 03/05/1997 | EP0760520A1 Resolution improvement of images recorded using storage phosphors |
| 03/04/1997 | US5607774 Phosphor screen made of particulate phosphors in binder on substrate; binder is radiation cured product of terminally difunctional organopolysiloxane formed by reacting polysiloxanediamine with unsaturated electrophile |
| 02/13/1997 | CA2228065A1 Flat panel detector for radiation imaging with reduced electronic noise |
| 02/12/1997 | EP0758012A1 A self-supporting or supported phosphor screen or panel |
| 02/05/1997 | EP0757286A1 New element for industrial radiography |