MAGNETOSTRICTIVE ELASTIC SURFACE WAVE STRUCTURE

摘要

MAGNETOSTRICTIVE ELASTIC SURFACE-WAVE STRUCTURE The invention relates to elastic surface-wave structures. The elastic surface wave structure in accordance with the invention comprises a non magnetic substrate and a surface wave transducer containing at least one emissive zone situated in a deposited layer of magnetostrictive material subjected to an alternating magnetic field and to a magnetic polarisation field.