ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,527,224, issued on Jan. 13, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Piezoelectric device" was invented by Ryunosuke Hino (Nagaokakyo, Japan) and Shinsuke Ikeuchi (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A piezoelectric device includes a membrane portion including a through slot extending through the membrane portion in an up-down direction. A width of the through slot in a single crystal piezoelectric material layer becomes narrower as the through slot extends downward. In the single crystal piezoelectric material layer and a reinforcing layer, a maximum width of the through slot in a layer located on a bo...