Surface acoustic wave device with reduced spurious responses

Details Surface acoustic wave device with reduced spurious responses Surface acoustic wave device with reduced spurious responses

1977-11-23

1979-02-27

Smith, Alfred E.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

29 2535, 252 629, 310313, 333 30R, H03H 926, H03H 930, H03H 932, H01L 4118

Patent

active

041421639

ABSTRACT:
This invention relates to a surface acoustic wave device which is comprised of a single domain lithium niobate layer on a multiple domain lithium niobate substrate. On the single domain layer are launching and receiving interdigitated electrode patterns. Spurious responses generated by bulk waves from the launching electrode and transmitted to the receiving electrode are substantially reduced.

REFERENCES:
patent: 4047130 (1977-09-01), Lim et al.

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