| 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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| 01/21/1993 | WO1993001522A1 Single screen/film structure with greatly improved radiological properties |
| 01/21/1993 | WO1993001521A1 Ultraviolet film/screen combinations for improved radiological evaluations |
| 01/19/1993 | US5181234 X-ray backscatter detection system |
| 01/19/1993 | US5180915 Radiation image information reading apparatus |
| 01/19/1993 | US5180610 Method for manufacturing a luminescent storage screen having a phophor which is transparent to read-out radiation |
| 01/14/1993 | DE4221362A1 Producing display screen for X=ray image amplifier - placing metal layer on glass photoetched to form base for deposition of fluorescent material |
| 01/13/1993 | EP0522619A1 Photostimulable phosphor and its use in radiography |
| 01/13/1993 | EP0522609A1 Luminescent article used in radiography |
| 01/13/1993 | EP0522605A1 Photostimulable storage phosphor |
| 01/07/1993 | EP0521497A2 Radiation image converting apparatus |
| 01/07/1993 | DE4121151A1 Fluorescent screen mfr. for X=ray medical diagnosis appts. - producing positive form by introduction of matrix in body of high-melting material and applying luminous material |
| 12/30/1992 | EP0520094A1 X-Ray phosphor composition for X-ray intensifying screen |
| 12/23/1992 | CN1019622B X-ray image tube |
| 12/22/1992 | US5173611 Phosphor composition and X-ray intensifying screen exhibiting peak emission in the ultraviolet |
| 12/15/1992 | US5171996 Particle detector spatial resolution |
| 12/08/1992 | US5169748 UV spectral sensitization |
| 11/24/1992 | US5166512 X-ray imaging tube and method of manufacturing the same with columnar crystals and opaque light blocking means |
| 11/17/1992 | US5164224 Radiation image storage panel radiographic intensifying screen and processes for the preparation of the same |
| 11/12/1992 | DE4114806A1 X=ray amplifier foil - has carrier with honeycomb-like cellular structure in the depressions of which is located an X=ray luminescent substance so that rays are reflected |
| 10/28/1992 | EP0510754A1 Luminescent article with protective coating and manufacture |
| 10/28/1992 | EP0510753A1 Luminescent article with protective coating and manufacture |
| 10/20/1992 | US5157263 Method for recording an image of ionizing radiation |
| 10/14/1992 | EP0508416A2 Radiation image storage panel |
| 10/06/1992 | US5153438 Method of forming an x-ray imaging array and the array |
| 10/06/1992 | US5153078 Radiation image storage panel, radiographic intensifying screen and processes for the preparation of the same |
| 09/30/1992 | EP0506585A1 Alkaline earth fluorohalide storage phosphors, processes for their preparation and storage phosphor screens |
| 09/29/1992 | US5151604 Zinc oxide whisker |
| 09/28/1992 | CA2062513A1 Alkaline earth fluorohalide storage phosphors, processes for their preparation and storage phosphor screens |
| 09/23/1992 | EP0504969A1 Photostimulable phosphor and its use in radiography |
| 09/22/1992 | US5150396 X-ray examination apparatus comprising an x-ray image intensifier tube |
| 09/16/1992 | EP0503702A1 Radiographic screen with edge-reinforcing coating |
| 09/16/1992 | EP0503163A1 Reproduction of X-ray images with photostimulable phosphor |
| 09/08/1992 | US5146076 Input screen for radiological image intensifier tube utilizing an anti-reflecting layer |
| 09/08/1992 | US5145743 Coating of phosphor crystals with light scattering particles adhered; medicine |
| 08/25/1992 | US5141673 Process of preparing tantalate x-ray intensifying phosphors with improved x-ray to light conversion efficiency |
| 08/19/1992 | EP0498908A1 Storage phosphor screen with a stimulable storage phosphor |
| 08/18/1992 | US5140163 Reproduction of X-ray images with photostimulable phosphor |
| 08/18/1992 | US5140159 Reproduction of X-ray images with photostimulable phosphor |
| 08/11/1992 | US5138171 Photostimulable phosphor and its use in radiography |
| 07/22/1992 | EP0495138A1 Read-out apparatus with a luminescent storage panel |
| 07/21/1992 | US5132539 Planar X-ray imager having a moisture-resistant sealing structure |
| 07/21/1992 | US5132192 Ordered corundum magnesium tantalum niobium oxide x-ray intensifying screens |
| 07/09/1992 | WO1992011545A1 Split v-roof mirror collector for photostimulable phosphor imaging system |
| 07/07/1992 | US5128978 Film holder for autoradiographic imaging |
| 06/30/1992 | US5126573 Output luminescent screen for an x-ray image intensifier having a terbiumactivated gadolinium oxysulfide base |
| 06/24/1992 | EP0491309A1 Process of preparing tantalate X-ray intensifying phosphors with improved X-ray to light conversion efficiency |
| 06/24/1992 | EP0491116A1 Process of preparing tantalate x-ray intensifying phosphors with improved efficiency |
| 06/23/1992 | US5124913 Rule-based technique to automatically determine the final scan gain in storage phosphor radiography |
| 06/23/1992 | US5124564 Method for recording and reproducing a radiation image, apparatus using said method, panel for storing a radiation image and photostimulable phosphors |
| 06/23/1992 | US5124558 Imaging system for mamography employing electron trapping materials |
| 06/16/1992 | US5122671 Containing rare earth oxides |
| 06/16/1992 | US5122665 Power supply circuit breaker for radiation image information recording and reading system |
| 06/16/1992 | CA1303755C Radiation image storage panel |
| 06/09/1992 | US5120970 X-ray image intensifier tube and x-ray conversion screen containing terbium activated silicate luminescent glasses |
| 06/09/1992 | US5120619 X-ray phosphors and X-ray intensifying screen using the phosphor |
| 06/03/1992 | EP0488991A1 Method for production of fluoroscopic and radiographic X-ray images and hand held diagnostic apparatus incorporating the same |
| 05/27/1992 | EP0486783A1 Mixed phosphor X-ray intensifying screens with improved resolution |
| 05/19/1992 | CA1300956C Gradient radiation image conversion sheet |
| 05/12/1992 | US5112700 Titanium-Activated Hafnium Zirconium Germanate |
| 05/12/1992 | CA1300364C Method for recording and reproducing a radiation image, radiation image storage panel, photostimulable phosphors and method for obtaining saidstimulable phosphors |
| 05/06/1992 | EP0484255A2 Ordered corundum magnesium tantalum niobium oxide x-ray intensifying screens |
| 05/02/1992 | CA2052943A1 Ordered corundum magnesium tantalum niobium oxide x-ray intensifying screens |
| 04/29/1992 | EP0482603A2 X-ray intensifying screens with improved sharpness |
| 04/28/1992 | US5109469 Phosphor screen for correcting luminous non-uniformity and method for making same |
| 04/28/1992 | US5109297 Apparatus for reading a phosphor plate image |
| 04/28/1992 | US5109159 Phosphor screen containing chromium, fiber optic plate |
| 04/26/1992 | CA2053700A1 X-ray intensifying screens with improved sharpness |
| 04/22/1992 | EP0481465A1 X-ray imaging tube and method of manufacturing the same |
| 04/21/1992 | US5107125 Thermoplastic film support with lip; fluorescent coatings |
| 04/21/1992 | US5107116 Split V-roof mirror collector for photostimulable phosphor imaging system |
| 04/16/1992 | WO1992006476A1 Method of forming an x-ray imaging array and the array |
| 04/08/1992 | EP0479027A2 Method and apparatus for reading-out a photostimulable phosphor panel |
| 04/06/1992 | CA2052804A1 Method and apparatus for reading-out a photostimulable phosphor panel |
| 04/02/1992 | CA2051585A1 Method of forming an x-ray imaging array and the array |
| 03/24/1992 | US5098813 Processes for preparing stimulable-phosphor radiation image storage panel using specified heat or heat and activator-containing gas treatment |
| 03/11/1992 | EP0473815A1 Method and apparatus to produce X-ray images |
| 03/10/1992 | US5095218 Titanium activated zirconium hafnium oxide phosphor |
| 03/10/1992 | US5095209 Compact radiation image information reading apparatus having erasing capability |
| 02/25/1992 | US5091928 Improved intensity |
| 02/25/1992 | US5091653 Fiber optic dosimeter using electron trapping materials employing technique for eliminating background fluorescence |
| 02/20/1992 | WO1992002937A1 X-ray backscatter detection system |
| 02/19/1992 | EP0471267A2 Process of manufacturing a phosphor plate |
| 02/18/1992 | US5089170 Phosphor |
| 01/29/1992 | EP0468570A1 X-ray examination apparatus comprising an X-ray image intensifier tube |
| 01/28/1992 | US5084110 Process for producing a low-reflection luminophore layer |
| 01/22/1992 | EP0467802A1 X-ray intensifying screen with enhanced emission |
| 01/22/1992 | EP0467801A1 Phosphor composition and x-ray intensifying screen capable of emitting principally in the spectral region of native silver halide sensitivity |
| 01/21/1992 | US5083024 Digital x-ray image read apparatus with a correction function |
| 01/15/1992 | EP0466421A2 Autography marking tape |
| 01/07/1992 | US5079423 Optical fiber plate; phosphors |
| 12/31/1991 | US5077145 High sensitivity, high graininess and high sharpness |
| 12/31/1991 | US5077144 Phosphor and radiographic intensifying screen |
| 12/27/1991 | EP0462253A1 Rule-based technique to automatically determine the final scan gain in storage phosphor radiography |
| 12/11/1991 | EP0460562A2 Calcium tungstate phosphor and radiographic intensifying screen using the same |
| 12/03/1991 | US5070248 Cassette with intensifying screens to be used with an x-ray film |
| 12/03/1991 | US5069982 Mixed phosphor x-ray intensifying screens with improved resolution |
| 11/27/1991 | EP0458484A2 Rubber-based adhesive tapes |
| 11/19/1991 | US5066864 Stimulable phosphor radiation image storage screen having an anti-reflection layer |
| 11/12/1991 | US5064729 Process of preparing tantalate X-ray intensifying phosphors with improved efficiency |
| 11/06/1991 | EP0455449A2 Full color upconversion display |