Shared Flashcard Set

Details

Xray Imaging System/Tube
radiology Physics review
24
Physics
Undergraduate 1
04/26/2009

Additional Physics Flashcards

 


 

Cards

Term
MONITOR:Phosphor
Definition
Converts electrons to light.
Term
MONITOR:Deflecting Coil
Definition
Electromagnet moves electron beam in a line.
Term
MONITOR:Focusing Coil
Definition
Electromagnets put electron beam to a point on a line.
Term
MONITOR:Electron Gun
Definition
Produces electron beam.
Term
MONITOR:Control Grid
Definition
Determines intensity of electron beam.
Term
MONITOR:Target Plate material
Definition
Made of antimony trisulfide.
Term
MONITOR:Signal Plate
Definition
is metal but thin enough to allow light to pass.
Term
MONITOR:Another name for the Monitor
Definition
CRT (Cathode Ray Tube)
Term
MONITOR:Vidicon is a type of...
Definition
TV Camera
Term
MONITOR:Relationship btw target plate of vidicon & phosphor of the monitor...
Definition
Target plate of Vidicon is determining amt of light that shows up on monitor. Must have synchronous relationship.
Term
II:Primary purpose of Image Intensifier
Definition
To brighten the image.
Term
II:Photocathode
Definition
Converts light to electrons.
Term
II:Electrostatic Lens
Definition
Guides electrons.
Term
II:Anode
Definition
"draws electrons down tube."
Term
II:Input Phosphor
Definition
Converts xrays to light.
Term
II:Output Phosphor
Definition
Converts electrons to light
Term
II:Parabolic Shape
Definition
Ensures simultaneous arrival of electrons.
Term
II:Major problem with early flouroscopy?
Definition
Image too dim.
Term
II:BG = MG x FG
Definition
Brightness Gain = Minification Gain x Flux Gain
Term
VIDICON:Target Plate
Definition
Photoconductive matrix
Term
VIDICON:Signal Plate
Definition
Electrical Conductor linked to monitor control grid.
Term
VIDICON:Control Grid
Definition
Shapes & controls intensity of electron beam.
Term
VIDICON:Accelerator Grids
Definition
Essentially an anode to move electrons down tube.
Term
VIDICON:Steering Coils
Definition
Magnets which control electron beam location.
Supporting users have an ad free experience!