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Digital Radiography
N/A
11
Physics
Professional
03/27/2013

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Cards

Term
hard wired to the imaging processing system
cassette-less
Definition
DR
Term
DR directly converts incoming xray photons to an ___
Definition
electrical digital signal
Term
two types of flat panel detectors
Definition
indirect silicon and direct silenium
Term
direct acquisition systems (without scintillator)
Definition
direct selenium
Term
indirect acquisition system
with scintillator
Definition
direct silicon
Term
xray photons are absorbed by the coating material and immediately converted into an electrical signal
Definition
one step process of direct selenium
Term
cannot directly convert xrays into an electric charge, but uses a light detector to capture fluorescent light which is then converted into electrical signal
Definition
two step process of indirect silicon
Term
scintillator for indirect silicon
Definition
Cesium Iodide
Term
more than ____ pixels can be read and converted to a digital image in less than one second in DR
Definition
1 million
Term
___ convert xrays into visible light
Definition
scintillators
Term
___ collects the electric charges produced by the DRs and sends them to computer
Definition
Thin Film Transistors (TFTs)
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