Accession Number:

ADD012491

Title:

X33 Cut Quartz for Temperature Compensated SAW (Surface Acoustic Wave) Devices.

Descriptive Note:

Patent,

Corporate Author:

DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s):

Report Date:

1986-07-22

Pagination or Media Count:

6.0

Abstract:

An X-cut, 33.44 degree quartz crystal for propagating surface acoustic waves with a temperature stability in the order of - 0.0209 ppmsq. c. The crystal orientation requires only a single rotation 33.44 degrees from the crystal axes. This orientation is substantially simpler than previously reported cuts with comparable temperature stability which typically require three rotations. The Xcut orientation has a surface acoustic wave SAW velocity of 3175 msec, an electromechanical coupling of 0.0004, and a power flow angle of 2.7 degrees. Author

Subject Categories:

  • Acoustics
  • Crystallography

Distribution Statement:

APPROVED FOR PUBLIC RELEASE