ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,706,585, issued on Aug. 11, was assigned to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris).
"Bulk acoustic wave device and method of making such a device" was invented by Florian Dupont (Grenoble Cedex, France) and Guillaume Rodriguez (Grenoble Cedex, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electroacoustic device includes, stacked in a direction a silicon-based substrate, a first electrode, a piezoelectric layer with the basis of a perovskite taken from among lithium niobate LiNbO3, lithium tantalum LiTaO3, or an Li(Nb,Ta)O3 alloy, on the first electrode, a second electrode disposed on the piezoelectric layer. Ad...