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Thermal characteristics of surface-wave recirculating loops on a y-cut quartz disc delay line

Thermal characteristics of surface-wave recirculating loops on a y-cut quartz disc delay line

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© The Institution of Electrical Engineers
Published

Long delay lines can be built by folding and guiding an s.a.w. beam over the surface of a smooth polished thin disc. Surface rays can recirculate on closed surfaces. The thermal characteristics of three recirculating loops on a 76.2 mm-diameter y-cut quartz disc are examined. Disc delay lines on quartz offer the advantage of temperature-stable operation.

Inspec keywords: quartz; acoustic surface wave devices; acoustic delay lines

Other keywords: surface acoustic wave recirculating loops; thermal characteristics; y cut quartz disc delay line

Subjects: Acoustic wave devices; Piezoelectric and ferroelectric devices

References

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      • Chambers, J., Papadofrangakis, E., Mason, I.M.: `Beam guided, temperature stablised disc long delay lines', IEEE ultrasonics symposium, 1974, Milwaukee, USA.
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      • I.M. Mason , E.A. Ash . Acoustic surface wave beam diffraction on anisotropic substrates. J.Appl. Phys. , 1550 - 1556
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      • M.B. Schulz , M.G. Holland . Temperature dependance of velocity on ST quartz. Proc. Inst. Elec. Electron. Eng. , 1361 - 1362
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      • I.M. Mason , E. Papadofrangakis , J. Chambers . Acoustic surface wave disc delay lines. Electron. Lett. , 63 - 65
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      • M.B. Schulz , B.J. Matsinger , M.G. Holland . Temperature dependance of S.A.W. velocity on quartz. J. Appl. Phys. , 2755 - 2765
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