Reflective dot array for acoustic wave processing

Details Reflective dot array for acoustic wave processing Reflective dot array for acoustic wave processing

1975-12-05

1977-10-25

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

With impedance matching

310366, 333 72, H03H 904, H03H 926, H03H 930, H03H 932

Patent

active

040558207

ABSTRACT:
An apparatus for processing acoustic signals wherein an array of discrete scatterers on a substrate reflect an incident acoustic surface wave on the substrate in accordance with a predetermined transfer function which is established by the size and spacing of the scatterers within the array. The scatterers, and input and output transducers, may all be metalized on the surface of the substrate with a single mask, thus providing an economical means of construction.

REFERENCES:
patent: 3781717 (1973-12-01), Kuenemund
patent: 3883831 (1975-05-01), Williamson et al.
patent: 3970970 (1976-07-01), Worley
patent: 3975697 (1976-08-01), Paige
patent: 3978437 (1976-08-01), Paige
Mason et al., "Physical Acoustics" vol. VII, Academic Press, New York 1970; Title page and pp. 229-233.
Microwave Journal "Horizen House", Dedham, Mass., Jan. 1974; Title page and p. 10.

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