Importance

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Abstract

A probe for testing ultrasound transducers is described. The probe is made of a body of material which absorbs ultrasound. There is a conical opening in the body, and a spherical transducer is mounted in the wider opening at the base of the conical opening. When the probe is used as a surface probe, a transducer undergoing tests is placed at the opening at the apex of the cone. Typically the conical opening is filled with a fluid which simulates the absorption qualities of the material with which the tested transducer will ultimately be used. For example, the transducer undergoing the test will be used with human body tissue, so a fluid such as water or light mineral oil would typically fill the cone-shaped opening. The present invention can also be used as a hydrophone, because of the manner in which it generates, or senses, pressure waves at a point in space.

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First Claim