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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.

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Presentation on theme: "Digital Detectors n Cassette based Image Storage Phosphor (CR) n Image Intensifier n Scanned Projection n Direct Digitizing (Full Field) –CCD Camera –Selenium."— Presentation transcript:

1 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

2 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

3 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

4 Slot Scanning DR

5 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

6 CCD Cameras

7 Light Collection with Camera

8 Large Area CCD Detectors: Tiling

9 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

10 Photoconductors

11 AmorphousSeleniumPlateChargingSeleniumPlate(Corotron)

12 Charged Selenium Plate

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14 Selenium Plate Developing

15 Absorption Efficiency: Se vs F/S

16 Electrostatic Selenium Scan

17 Drum-Based Selenium System

18 Pixel Array in DR

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20 DirectRay (Amorphous Selenium)

21 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

22 Indirect DR

23 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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