prov:value
| - n be increased by introducing thereinto, as an impurity, at least one of such metals as Fe, Zr, Al, Cr, Mn, Rh, Cu, V, W, U and Sn in the piezoelectric substrate.For example, in Japanese Patent Application Laid-open No. 06-305895 there is a description to the effect that lithium tantalite, even if containing many impurities, implements required characteristics of the SAW element; the impurities me
|