Questions for quiz #1 Flashcards
The protective housing does what?
absorbs leakage radiation and provides cooling of tube
Where are x-rays produced?
produced at the anode target when the high speed electrons hit are decelerated at the target
Where are the electrons?
emitted from the cathode filament
Where are the x-ray photons?
produced at the anode target when the high speed electrons hit are decelerated at the target
Why do we use tungsten?
because of its high anatomic number and melting point 3370 degrees
What cracks an anode?
not following proper warm up procedures
Boiling of electrons from the filament is called? What is a space charge?
thermionic emission. Space charge is the build up of electrons near the filament
Names of the focal spot?
target, focal point, focus point
Line focus principle?
Anode heel effect?
Increasing the target angle does what?
What is outside of the envelope?
What is the envelope?
What is inside of the envelope?
Why dielectric oil?
