Wave transmission lines and networks – Coupling networks – Electromechanical filter
Patent
1978-08-14
1981-01-06
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Electromechanical filter
29 2535, 310313R, 333154, H03H 964, H03H 942, H03H 925, H01L 4122
Patent
active
042439604
ABSTRACT:
A method and device for adjusting the center frequency after fabrication of surface acoustic wave (SAW) devices by the deposition of a nonconducting coating which alters the SAW propagation velocity of the device.
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Helmick, Jr. et al., "Fine Tuning of Narrow-Band SAW Devices Using Dielecc Overlays", 1977 Ultrasonics Symposium Proceedings, IEEE Cat., #77CH1264-ISU; pp. 659-663.
Sander et al., "Impact of Charge Coupled Devices and Surface Acoustic Waves on Signal Processing and Imagery in Advanced Systems," Paper No. 3-10 to 34th Technical Meeting of Agard/AVP, Ottawa, Canada, Oct. 1977, pp. 1-21.
Helmick, Jr. Carl N.
Hunt Robert E.
White David J.
Mollick Donald R.
Nussbaum Marvin L.
Sciascia R. S.
Skeer W. Thom
The United States of America as represented by the Secretary of
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