Surface acoustic wave sensor

Details Surface acoustic wave sensor Surface acoustic wave sensor

1979-09-28

1981-10-20

Yasich, Daniel M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

73765, 310313R, 310344, H01L 4102, H03H 905

Patent

active

042963478

ABSTRACT:
An improved surface acoustic wave sensor in which two surface acoustic wave arrays are disposed in predetermined overlapping relationship by the use of a sealing compound which both establishes a thin sealed cavity and spaces the two surface acoustic wave arrays apart a predetermined distance, thereby eliminating the need for spacing rings or the like.

REFERENCES:
patent: 3274828 (1966-09-01), Pulvari
patent: 3427876 (1969-02-01), Steele et al.
patent: 3888115 (1975-06-01), Schwartz
patent: 4096740 (1978-06-01), Sallee
patent: 4100811 (1978-07-01), Cullen et al.
patent: 4216401 (1980-08-01), Wagner
Publication "A Small Sized Mechanical-Acoustic Pressure-Frequency Transducer" by P. V. Novitskii et al., Instrument and Control, 5/1971.

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