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CH61 questions and answers already passed 2024
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CH61 questions and answers already passed 2024
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CH6: CCD/CMOS Image CaptureA charge-coupled device (CCD) does all of the following EXCEPT:
a) reduce the size of the projected light image
b) transfer the image to a capacitor
c) convert light into x-ray photons
d) act as receptors biz lenses or fiber optics - correct answer ✔d) act as a
receptors via lenses or fiber optics
The number of electron/hole pairs is related to the amount of: - correct
answer ✔light absorbed
This layer in a CCD chip that contains the electron gates is the: - correct
answer ✔Polysilicon layer
The insulating layer in a CCD chip is the: - correct answer ✔silicon dioxide
layer
A system that used scintillators that convert x-rays to light, light to electric
charge, and store the charge in capacitors is known as a: - correct answer
✔CMOS
A solid chemical element or compound doped with impurities that make it
highly conductive is known as a: - correct answer ✔Semiconductor
T/F: Most CMOS detectors us both N-type and P-type transistors to form the
electrically controlled gate. - correct answer ✔True
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