Summary Transducers - Ch 11

Question 1

in a mechanical transducer what is the: image shape, steering technique, focusing technique, # and shape of crystals, crystal defect?

Answer 1

sector; mechanical; fixed; 1 disc; complete image loss

Question 2

in a linear switched transducer what is the: image shape, steering technique, focusing technique, # and shape of crystals, crystal defect?

Answer 2

rectangular; none; none; approx 200 rectangular; vertical line drop out

Question 3

in a linear phased array transducer what is the: image shape, steering technique, focusing technique, # and shape of crystals, crystal defect?

Answer 3

sector; electronic; electronic; approx 200 rectangular; poor steering and focus

Question 4

in an annular phased transducer what is the: image shape, steering technique, focusing technique, # and shape of crystals, crystal defect?

Answer 4

sector; mechanical; electronic; approx 5 in a ring; horizontal line drop out

Question 5

in a curvilinear sequential transducer what is the: image shape, steering technique, focusing technique, # and shape of crystals, crystal defect?

Answer 5

blunted sector; none; none; approx 200 rectangular; vertical line drop out

Question 6

in a curvilinear phased transducer what is the: image shape, steering technique, focusing technique, # and shape of crystals, crystal defect?

Answer 6

blunted sector; electronic; electronic; approx 200 rectangular; poor steering and focusing

Question 7

in a vector transducer what is the: image shape, steering technique, focusing technique, # and shape of crystals, crystal defect?

Answer 7

flat top sector/trapezoid; electronic; electronic; approx 200 rectangular; poor steering and focusing