Ultrasonic delay lines and method of making the same

Details Ultrasonic delay lines and method of making the same Ultrasonic delay lines and method of making the same

1976-03-04

1977-07-05

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

With impedance matching

29 2535, 310 83, H03H 930, H03H 926, H03H 932, H01L 4104

Patent

active

040343170

ABSTRACT:
A multiple reflection type solid ultrasonic delay line which comprises a solid ultrasonic delay medium in the form of a thin flat plate having input and output transducers and reflection elements formed on the periphery thereof, and one or more arc grooves provided on part of side surfaces which is other than desirable reflection elements for ultrasonic vibration and a low melting metal or alloy being provided in said arc grooves. In the delay lines, undesirable signals are remarkably attenuated.

REFERENCES:
patent: 2839731 (1958-06-01), McSkimin
patent: 2859415 (1958-11-01), Fagen
patent: 3581247 (1971-05-01), Belford et al.

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