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Flashcards in chapter 6 rad. physics Deck (13)
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1
Q

what part of the X-ray tube is made out of nickel?

A

focusing cup of the x-ray tube on the cathode Side

2
Q

how much current is needed to create a space charge

A

3-6 amps

3
Q

where does the current from the filament heating come from?

A

step-down transformer; filament transformer; isolating transformer

4
Q

the target angle is?

A

7-17 (12)

5
Q

what makes the rotor rotate the anode

A

the magnetism from the gators and the electricity (electromagnetic) p.s this is mutual induction motor

6
Q

where Is the stator located in the X-ray tube

A

outside the envelop

7
Q

what are the two main tube interactions

A

bremsstrahlung and characteristic

8
Q

what is the distance between the filament and the target?

A

about 1cm

9
Q

which tube interaction is not ionizing?

A

Bremsstrahlung

10
Q

what is caused to the anode by repeated heating from multiple exposure?

A

anode pitting

11
Q

what is caused by exposure without tube warm-up?

A

cracking of the anode

12
Q

what is a great warm-up technique for the imaging system?

A

long exposure time and low kVp

13
Q

what is noted on a tube rating chart

A

rpm, unit phase, fss, target angle