Surface acoustic wave device and method of making same

Details Surface acoustic wave device and method of making same Surface acoustic wave device and method of making same

1975-11-10

1976-08-31

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

With impedance matching

29 2535, 310 97, 333 72, H03H 904, H03H 914, H03H 930, H01L 4110

Patent

active

039784363

ABSTRACT:
A piezoelectric body has a transducer on one surface. The transducer includes an electrically insulating body on the piezoelectric body; the electrically insulating body has a surface relief pattern on a surface which is opposite the piezoelectric body. An electrically conductive layer is on the electrically insulating body on the surface having the relief pattern thereon.
The transducer can be formed by means of a master body. A surface of the master body, having a relief pattern thereon, is pressed against the electrically insulating body to form a relief pattern on the electrically insulating body. The electrically conductive layer is then formed on the electrically insulating body on the surface having the relief pattern thereon.

REFERENCES:
patent: 3942048 (1976-03-01), Laude et al.
Carr-"The Generation and Propagation of Acoustic Surface Waves at Microwave Frequencies" in IEEE Transactions on Microwave Theory and Techniques vol. MTT-17, No. 11, Nov. 1969; pp. 845-855.

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