Wk3 Study Guide Flashcards
(6 cards)
1
Q
What is the range equation and what is the formula for the distance to the reflector?
A
Is used to calculate the depth of the reflector by measuring the time of flight or go-return time. D = R x T
2
Q
What is the 13us rule?
A
It takes 13us to travel 1cm and back (2cm in total) in soft tissue
3
Q
What are the three layers of the transducer?
A
Piezoelectric, backing and matching
4
Q
Where is the matching layer?
A
At the front of the transducer
5
Q
How wide is the matching layer?
A
1/4 wavelength
6
Q
What does the matching layer match?
A
The impedance
