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N. Shorrocks, et al., "Lithium Tetraborate-A New Temperature-Compensated Substrate Material for Surface Acoustic Wave Devices", Date unknown. |
J. Collins, et al., "Surface Wave Delay Lines Promise Filters for Radars, Flat Tubes for Television and Faster Computers", Jan. 19, 1970. |
H. Gerard, et al., "500 MHz Bandwidth RAC Filter with Constant Groove Depth", Sep. 25, 1978. |
W. Tanski, "Elements of SAW Resonator Fabrication and Performance", May 1981. |
K. Tsubouchi et al., "High-Frequency and Low-Dispersion SAW Devices on AIN/Al.sub.2 O.sub.3 and AIN/S: For Signal Processing," Nov. 5, 1980. |
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European Search Report, Apr. 2, 1991. |