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Published byCarter Vidal Modified over 10 years ago
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Digital Detectors n Cassette based Image Storage Phosphor (CR) n Image Intensifier n Scanned Projection n Direct Digitizing (Full Field) –CCD Camera –Selenium Flat Panel (Direct Digital Radiography) –Phosphor Flat Panel (Indirect Digital Radiography ) n Future Technology
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Digital Detectors n Cassette based Image Storage Phosphor (CR) n Image Intensifier - discussed in Digital Fluoro n Scanned Projection n Direct Digitizing (Full Field) –CCD Camera –Selenium Flat Panel (Direct Digital Radiography) –Phosphor Flat Panel (Indirect Digital Radiography ) n Future Technology
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Digital Detectors n Cassette-Based: Image Storage Phosphor (CR) n Image Intensifier n Scanned Projection n Direct Digitizing (Full Field) –CCD Camera –Selenium Flat Panel (Direct Digital Radiography) –Phosphor Flat Panel (Indirect Digital Radiography) n Future Technology
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Slot Scanning DR
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Digital Detectors n Cassette-Based: Image Storage Phosphor (CR) n Image Intensifier n Scanned Projection n Direct Digitizing (Full Field) –CCD Camera –Selenium Flat Panel (Direct Digital Radiography) –Phosphor Flat Panel (Indirect Digital Radiography ) n Future Technology
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CCD Cameras
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Light Collection with Camera
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Large Area CCD Detectors: Tiling
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Digital Detectors n Cassette-Based: Image Storage Phosphor (CR) n Image Intensifier n Scanned Projection n Direct Digitizing (Full Field) –CCD Camera – Selenium Flat Panel (Direct Digital Radiog) –Phosphor Flat Panel (Indirect Digital Radiography ) n Future Technology
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Photoconductors
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AmorphousSeleniumPlateChargingSeleniumPlate(Corotron)
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Charged Selenium Plate
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Selenium Plate Developing
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Absorption Efficiency: Se vs F/S
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Electrostatic Selenium Scan
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Drum-Based Selenium System
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Pixel Array in DR
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DirectRay (Amorphous Selenium)
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Digital Detectors n Cassette-Based: Image Storage Phosphor (CR) n Image Intensifier n Scanned Projection n Direct Digitizing (Full Field) –CCD Camera –Selenium Flat Panel (Direct Digital Radiography) – Phosphor Flat Panel (Indirect Digital Radiog) Conventional Screen Phosphors (GdOS) Conventional Screen Phosphors (GdOS) Cesium Iodide Needle Phosphors Cesium Iodide Needle Phosphors n Future Technology
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Indirect DR
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Digital Detectors n Cassette-Based: Image Storage Phosphor (CR) n Image Intensifier n Scanned Projection n Direct Digitizing (Full Field) –CCD Camera –Selenium Flat Panel (Direct Digital Radiography) –Phosphor Flat Panel (Indirect Digital Radiography ) n Future Technology
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