Evaluation of Sulfosalts.
Abstract
The program had two principal objectives, one of which was to determine the optimum conditions for fabrication of reproducible, highquality crystals of Tl3VS4, and possibly other members of the Tl3BX4 family of materials. The other was to determine directions in these crystals having zero temperature coefficients of delay (ZTCD) for surface acoustic waves, and to assess which of these directions possesses the best combination of velocity, k to the 2nd power, and power flow angle for device applications. New determinations of physical parameters (attenuation, velocities, k to the 2nd power were to be made on improved crystals. In addition, the effects of wider temperature ranges and higher order temperature coefficients of velocity were to be examined. Hall measurements also were to be made. A bandpass filterwas to be fabricated to demonstrate the applicability of these materials for surface-wave devices. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1977
- Accession Number
- ADA052356
Entities
People
- J. P. Mchugh
- John P. Murphy
- R. W. Weinert
- T. J. Isaacs