Ultrasonic delay line mounted in a frame-like body having a wiri

Details Ultrasonic delay line mounted in a frame-like body having a wiri Ultrasonic delay line mounted in a frame-like body having a wiri

1991-02-11

1992-07-14

Laroche, Eugene R.

Wave transmission lines and networks

Coupling networks

Delay lines including elastic bulk wave propagation means

333149, 310348, 174 523, H03H 905, H03H 930

Patent

active

051306794

ABSTRACT:
An ultrasonic delay line comprises a delay medium provided with transducers on at least a side surface thereof, an insulating substrate having a frame-like body in which a wiring pattern is print-formed and an opening having substantially the same shape as the outer configuration of the delay medium, the delay medium being fitted in the opening so that an electrode of the transducer is electrically connectable with the wiring pattern, and a packaging member covering at least a part of major surfaces of the insulating substrate and the delay medium so as to secure the two.

REFERENCES:
patent: 3349481 (1967-10-01), Karp
patent: 3970880 (1976-07-01), Deutschmann et al.
patent: 4516090 (1985-05-01), Kambara et al.
patent: 4533976 (1985-08-01), Suwa
patent: 4684843 (1987-08-01), Ohya et al.
patent: 4742182 (1988-05-01), Fuchs
patent: 4855808 (1989-08-01), Tower et al.

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