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Test object and method of measurement of an ultrasonic beam

  • US 5,054,310 A
  • Filed: 11/20/1989
  • Issued: 10/08/1991
  • Est. Priority Date: 09/13/1985
  • Status: Expired due to Fees
First Claim
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1. A test object for use in the testing and calibration of ultrasonic diagnostic equipment used in scanning a plane of tissue by emitting an ultrasonic beam comprising at least one scanning target positioned in the scanning plane occupying a terminal position and a plurality of subsequent scanning targets positioned adjacent the scanning plane to reflect at least some of the ultrasonic beam for determining the width of the ultrasonic beam in a direction substantially normal to the plane.

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