Patent 11889283 was granted and assigned to Infineon Technologies on January, 2024 by the United States Patent and Trademark Office.
A system includes a first membrane, a second membrane and a third membrane spaced apart from one another, wherein the second membrane is between the first membrane and the third membrane, and the second membrane comprises a plurality of openings, a sealed low pressure chamber between the first membrane and the third membrane, and a plurality of electrodes in the sealed low pressure chamber.