High piezoelectric coupling X-cuts of lead potassium niobate, Pb. sub.2 Knb.sub.5 O.sub.15 , for surface acoustic wave applications

摘要

A series of lead potassium niobate substrates having X-cut crystallographic orientations defined by the Euler Angles Lambda=90.0. degree., Mu=90.0° and Theta from -10.6° to +10.6°.