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