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Rad107 Week 4 Assign

TermDefinition
Cathode Negative side
Anode Positive side
Glass Envelope Maintains vacuum so electrons can travel freely
Thermionic Emission Heating the filament causes electrons to "boil off"
Rotating anode Spins to spread heat and prevent tube damage
Focal spot Area where electrons hit the anode. Smaller= sharper image
Line focus principle Uses angled target to create small effective focal spot while managing heat
Single phase Older system, less efficient, produces fluctuating voltage
Three phase More efficient, produces a more constant x-ray beam
Operating console Where you select kVp, mA, and exposure time. Console center
Line Voltage compensator Keeps incoming electrical voltage steady so your exposure doesn't fluctuate
High Voltage compensator Produces the high voltage needed to accelerate electrons from cathode to anode
Step-up Transformer Increases voltage to send electrons across tube
Step-down Transformer Lowers voltage to heat filament
Rectifiers Convert AC to DC so electrons flow in one direction
Created by: ygaribay725
 

 



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