Method and apparatus for damping an ultrasonic transducer...

Details Method and apparatus for damping an ultrasonic transducer... Method and apparatus for damping an ultrasonic transducer...

2007-03-27

2007-03-27

Lobo, Ian J. (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

C367S908000, C367S162000, C073S29000R

Reexamination Certificate

active

10764613

ABSTRACT:
A method and apparatus for damping an ultrasonic transducer suitable for time of flight ranging and level measurement systems. The ultrasonic transducer comprises a damping component which absorbs vibrations in the transducer to reduce the ringing effect. The damping component is subjected to plasma etching to produce a surface which readily bonds to component(s) of the transducer. According to one aspect, the damping component is formed from an inert elastomer, such as silicone rubber, and the transducer component is made of stainless steel.

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