Pass Ultrasound Physics Study Guide Notes Volume I by Mansoor Khan

Author:Mansoor Khan [Khan, Mansoor]
Language: eng
Format: azw3
Publisher: Blue Cube Venture, LLC
Published: 2014-10-31T04:00:00+00:00

Linear Sequential Array (Linear Switched Array, Linear Array)

A linear sequential array transducer has multiple piezoelectric crystals arranged in a line behind the matching layer.

The ultrasound beams produced by a linear sequential array transducer are not steered. The ultrasound pulses are produced by the group of piezoelectric crystals and they travel straight in the body.

Linear Switched Array transducers have fixed focusing. The focusing is achieved by the use of an acoustic lens or by internal focusing. In internal focusing a curved PZT crystal is used to focus the ultrasound beam.

A rectangular shape image is produced by linear sequential array transducer.

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