Low reflectivity electrodes in semiconductive SAW devices

Wave transmission lines and networks – Coupling networks – Delay lines including elastic surface wave propagation means

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310313R, 333154, 333194, 357 26, H03H 913, H03H 925, H03H 942

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044994400

ABSTRACT:
Low reflectivity electrodes (2-4) are formed within recesses extending from a major surface of a semiconductive and piezoelectric substrate (1) (such as gallium arsenide) so as to reduce SAW reflectivity from the electrodes.

REFERENCES:
patent: 4130813 (1978-12-01), Sandy et al.
patent: 4237433 (1980-12-01), Tanski
patent: 4336549 (1982-06-01), Ladd, Jr.

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