Direct or Indirect? | Open Ended | Fill In The Blank |
---|---|---|
Indirect
Uses a scintillator:
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Cesium Iodide or Gadolinium
The capturing element for the indirect conversion digital detector is made out of what?
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Highest
Indirect-conversion DR plates has the ____ DQE, at 77%.
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Indirect
____ > Csl, Gd > Photodiode (Amorphous Silicon) > TFT
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TFT
Which part of a flat-panel DR system is made up of layers on a glass substrate?
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Electric charge
The photodiode for direct digital detectors converts x-ray photons to ____.
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Direct
____ > Photodiode (Amorphous Selenium) > TFT
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Over-magnified
What is the most likely cause for a “pixelly” digital image?
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Fiber optics
For the indirect digital detectors the coupling element can be amorphous silicon or ____.
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Indirect
____ > Csl > Fiber Optics > CCD/CMOS
|
X-ray
The capturing element for the indirect conversion digital detector converts what photons into light photons?
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Amorphous Selenium
The photodiode for the direct conversion digital detector is made out of ____.
|
Indirect
In ____-conversion DR systems, the dispersion of light emitted from molecules of cesium iodide is reduced by using crystalline phosphor structure.
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Sharpness
Compared to indirect-conversion DR systems, even though direct-conversion DR systems result in increased patient dose, they continue in use because of their higher:
|
Thin Film Transistor
T____ F____ T____
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