ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,298, issued on May 27, was assigned to Soitec (Bernin, France).
"Surface acoustic wave device including transducer in dielectric between a piezoelectric material and a substrate" was invented by Pascal Guenard (Froges, France) and Ionut Radu (Crolles, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A production method for a surface acoustic wave device comprises the following steps: a step of providing a piezoelectric substrate comprising a transducer arranged on the main front face; a step of depositing a dielectric encapsulation layer on the main front face of the piezoelectric substrate and on the transducer; and a step of assembling the di...