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Questions and Answers
Which material is typically used as a radiation-conversion material in flat-panel detectors for radiography?
Which material is typically used as a radiation-conversion material in flat-panel detectors for radiography?
- Silicon
- Aluminum
- a-Se (correct)
- Carbon fiber
What is the purpose of the photodiode in each pixel of a TFT array in a flat-panel detector?
What is the purpose of the photodiode in each pixel of a TFT array in a flat-panel detector?
- To convert X-rays to electrical charges
- To absorb electrons and generate electrical charges (correct)
- To store electrons
- To isolate each pixel element
What is the function of the field effect transistor (FET) in a flat-panel detector?
What is the function of the field effect transistor (FET) in a flat-panel detector?
- To store electrical charges
- To isolate each pixel element (correct)
- To perform the readout and amplification
- To convert X-rays to electrons
What is the purpose of the specialized silicon integrated circuits connected along the edges of the detector matrix in a flat-panel detector?
What is the purpose of the specialized silicon integrated circuits connected along the edges of the detector matrix in a flat-panel detector?
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How many pixels can be read and converted to a composite digital image in less than 1 second in a flat-panel detector?
How many pixels can be read and converted to a composite digital image in less than 1 second in a flat-panel detector?
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