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Digital Detectors

Digital Detectors. Cassette based Image Storage Phosphor (CR) Image Intensifier Scanned Projection Direct Digitizing (Full Field) CCD Camera Selenium Flat Panel (“Direct” Digital Radiography) Phosphor Flat Panel (“Indirect” Digital Radiography ) Future Technology . Digital Detectors.

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Digital Detectors

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  1. Digital Detectors • Cassette based Image Storage Phosphor (CR) • Image Intensifier • Scanned Projection • Direct Digitizing (Full Field) • CCD Camera • Selenium Flat Panel (“Direct” Digital Radiography) • Phosphor Flat Panel (“Indirect” Digital Radiography) • Future Technology

  2. Digital Detectors • Cassette based Image Storage Phosphor (CR) • Image Intensifier - discussed in Digital Fluoro • Scanned Projection • Direct Digitizing (Full Field) • CCD Camera • Selenium Flat Panel (“Direct” Digital Radiography) • Phosphor Flat Panel (“Indirect” Digital Radiography) • Future Technology

  3. Digital Detectors • Cassette-Based: Image Storage Phosphor (CR) • Image Intensifier • Scanned Projection • Direct Digitizing (Full Field) • CCD Camera • Selenium Flat Panel (“Direct” Digital Radiography) • Phosphor Flat Panel (“Indirect” Digital Radiography) • Future Technology

  4. Slot Scanning DR

  5. Digital Detectors • Cassette-Based: Image Storage Phosphor (CR) • Image Intensifier • Scanned Projection • Direct Digitizing (Full Field) • CCD Camera • Selenium Flat Panel (“Direct” Digital Radiography) • Phosphor Flat Panel (“Indirect” Digital Radiography) • Future Technology

  6. CCD Cameras

  7. Light Collection with Camera

  8. Large Area CCD Detectors: Tiling

  9. Digital Detectors • Cassette-Based: Image Storage Phosphor (CR) • Image Intensifier • Scanned Projection • Direct Digitizing (Full Field) • CCD Camera • Selenium Flat Panel (“Direct” Digital Radiog) • Phosphor Flat Panel (“Indirect” Digital Radiography) • Future Technology

  10. Photoconductors

  11. Amorphous Selenium Plate Charging Selenium Plate (Corotron)

  12. Charged Selenium Plate

  13. Charged Selenium Plate

  14. Selenium PlateDeveloping

  15. Absorption Efficiency: Se vs F/S

  16. Electrostatic Selenium Scan

  17. Drum-Based Selenium System

  18. Pixel Array in DR

  19. DirectRay (Amorphous Selenium)

  20. Digital Detectors • Cassette-Based: Image Storage Phosphor (CR) • Image Intensifier • Scanned Projection • Direct Digitizing (Full Field) • CCD Camera • Selenium Flat Panel (“Direct” Digital Radiography) • Phosphor Flat Panel (“Indirect” Digital Radiog) • Conventional Screen Phosphors (GdOS) • Cesium Iodide “Needle” Phosphors • Future Technology

  21. Indirect DR

  22. Digital Detectors • Cassette-Based: Image Storage Phosphor (CR) • Image Intensifier • Scanned Projection • Direct Digitizing (Full Field) • CCD Camera • Selenium Flat Panel (“Direct” Digital Radiography) • Phosphor Flat Panel (“Indirect” Digital Radiography) • Future Technology

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