1. RADIATION PROTECTION IN DIAGNOSTIC AND INTERVENTIONAL RADIOLOGY L 6: X Ray production IAEA Training Material on Radiation Protection in Diagnostic and Interventional Radiology
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5. Part 6: X Ray production Topic 1: Basic elements of an X Ray source assembly IAEA Training Material on Radiation Protection in Diagnostic and Interventional Radiology
18. Anode angle (II) THE SMALLER THE ANGLE THE BETTER THE RESOLUTION Angle Incident electron beam width Apparent focal spot size Actual focal spot size Film Angle Incident electron beam width Increased apparent focal spot size Actual focal spot size Film ‘
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22. Part 6: X Ray production Topic 4: Rating Chart IAEA Training Material on Radiation Protection in Diagnostic and Interventional Radiology
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26. X Ray tube rating chart (III) 0.01 0.05 0.1 0.5 1.0 5.0 10.0 700 600 500 400 300 200 100 50 kVp 70 kVp 90 kVp 120 kVp Unacceptable Exposure time (s) Tube current (mA) X Ray tube A half-wave rectified 3000 rpm 90 kV 1.0 mm effective focal spot
27. X Ray tube rating chart (IV) 0.01 0.05 0.1 0.5 1.0 5.0 10.0 700 600 500 400 300 200 100 50 kVp 70 kVp 90 kVp 125 kVp Acceptable Exposure time (s) Tube current (mA) X Ray tube B 3 full-wave rectified 10.000 rpm 125 kV 1.0 mm effective focal spot Unacceptable
30. Part 6: X Ray production Topic 5: X Ray generator IAEA Training Material on Radiation Protection in Diagnostic and Interventional Radiology
31. X-ray generator (I) It supplies the X-ray tube with : Current to heat the cathode filament Potential to accelerate electrons Automatic control of exposure (power application time) Energy supply 1000 X-ray beam energy (of which 99.9% is dissipated as thermal energy)
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35. 100% 13% 4% Line voltage Single phase single pulse Single phase 2-pulse Three phase 6-pulse Three phase 12-pulse 0.02 s 0.01 s kV ripple (%) Tube potential wave form (II)
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38. Part 6: X-ray production Topic 6: Automatic Exposure Control (AEC) IAEA Training Material on Radiation Protection in Diagnostic and Interventional Radiology
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40. Automatic exposure control X Ray tube Collimator Beam Soft tissue Bone Air Patient Table Grid Cassette AEC detectors
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42. Part 6: X-ray production Topic 7: X-ray equipment operation and mode IAEA Training Material on Radiation Protection in Diagnostic and Interventional Radiology
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Editor's Notes
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