Piezoelectric transducer having a crystal orientation selected from (xyl) + 31.7 (.+-.1) and (xyl) + 76.7 (.+-.1) or symmetrical equivalent

摘要

A lithium niobate piezoelectric single crystal transducer having selected rotational orientations with respect to X, Y and Z rectangular coordinate axes. Compressional mode accelerometers having low or zero shear and torsion sensitivity are provided in which the crystal is oriented, in IRE notation, as (a) a (yxl) +38.6 cut or symmetrical equivalents thereof, such as (zxl) (b) a +60/+51.4. degree. cut. Shear mode accelerometers having low or zero compression sensitivity are provided in which the crystal is oriented, in IRE notation, as (a) (xyl) +31.7 cut, or symmetrical equivalents, and (b) an (xyl) +76.7 cut.