IP’s are very sensitive to scatter and should be erased how often? to prevent the buildup of any background signal (or if unsure of last use)
At least every 48 hours
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15
The reader scans the plate with red light in a zigzag, or _______ pattern.
raster
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15
An IP is 'erased' via exposure to what color light ?
intense white light
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15
The distance between the midpoint of one pixel to the midpoint of an adjacent pixel describes the _____ _______.
pixel pitch
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15
(T or F) To correct the elliptical shape of the laser, the beam is “shaped” by special optics that keep the beam size, shape, and speed largely independent of the beam position.
True
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15
The movement of the laser across the imaging plate (vs the plate moving), is called:
Fast Scan
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15
The latent image will lose about ____% of its energy over about 8 hours time.
25%
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15
This device converts analog data into digital data.
ADC (Analog to Digital Converter)
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15
The letters, PM as part of a PM tube stands for:
Photomultiplier
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15
What causes the electrons to be released from the F centers, within the phosphors of the CR IP ?
laser
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15
To digitize the analog signal from the PMT, it must first be _______.
Sampled
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banana
Go to last place!
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gold
Win 50 points!
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fairy
Take points!
5
10
15
20
25
lifesaver
Give 20 points!
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15
This means the general emission of light:
Luminescence
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15
Increasing the sampling frequency results in a smaller sampling and pixel pitch, which (increases or decreases?) the spatial resolution of the digital image.
