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15 Cards in this Set
- Front
- Back
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CR – electrons trapped in _____ layer
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phosphor
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DR – electric charge stored in ______
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transistor
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PSP= _________________
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PSP= photostimulable phosphor
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Lead backing to __________ and ___________ resolution of the image receptor.
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reduce backscatter, improve contrast
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The CR reader represents the marriage of three (3) modules. What are they?
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1. Mechanical --
2. Optical --- 3. Computer ---- |
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ADC = ?
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Analog to Digital Conversion
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CR is associated with what kind of response function?
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linear
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The principle source of noise is ______
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scatter
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CR noise sources are bothersome only at _____ exposure
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very low
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In CR image contrast is ______
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constant
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CR imaging plates respond to radiation exposure with the production of visible light through ______.
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photostimulable luminescence
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The 4 steps of creating an image with CR are...
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metastable state(expose), stimulate, read and erase.
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The laser beam diameter in CR affects the _____ of the CR imaging system.
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spatial resolution
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The _______ changes the electrical signal created from the light released from the CR imaging plate into digital data.
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ADC, Analog to Digital converter
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What is the CR equivalent of the term, "characteristic curve" ?
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image receptor resonse function.
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