Surface acoustic wave convolver and convolution integrator using

Details Surface acoustic wave convolver and convolution integrator using Surface acoustic wave convolver and convolution integrator using

1990-05-25

1991-08-27

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310313R, 333152, 333153, 333195, 364821, H01L 4108

Patent

active

050436201

ABSTRACT:
In an SAW convolver composed of a substrate having a multi-layered structure comprising at least a piezoelectric film, self convolution is suppressed by disposing a first and a second array electrode disposed between the gate electrode and a pair of input electrodes, respectively, each of which consists of a high impurity concentration semiconductor layer. Further a convolution integrator is constituted by using such a convolver.

REFERENCES:
patent: 3862431 (1975-01-01), Quate et al.
patent: 4365216 (1982-12-01), Minagawa et al.
patent: 4599532 (1986-07-01), Okamoto et al.
patent: 4683395 (1987-07-01), Mitsutsuka
patent: 4894576 (1990-01-01), Okamoto et al.
patent: 4900969 (1990-02-01), Mitsutsuka et al.
"Monolithic (ZnO) Sezawa-Mode pn-Diode-Array Memory Correlator", F. C. Lo et al., Appl. Phys. Lett. 34(11), Jun. 1, 1979, pp. 725-726.

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