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10 Cards in this Set
- Front
- Back
The piezoelectric effect was discovered by . . .
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Pierre and Jacques Curie.
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What happens to a transducer if it is heated above the Curie Point?
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The material becomes depolarized.
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Damping material shortens 2 things.
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Spatial pulse length and pulse duration.
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In regards to bandwidth. The shorter the pulse the _______the bandwidth.
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Wider.
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Beam width at any locatation depends on. (3 things)
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Frequency, aperture, distance from the transducer.
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Axial resolution is determined by what?
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Spatial pulse length.
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_______pulse lengths give better axial resolution.
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Shorter.
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Name 2 types of transducer arrays.
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Linear, curved, phased, annular.
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The shape of the image given by a vector array transducer is . . .
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Trapezoidal.
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List components of a transducer. (7)
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Case, electrical shield, acoustic insulator,PZT/active element, wire, matching layer, backing layer.
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