Patent ID: 11889283
Assignee: INFINEON TECHNOLOGIES AG
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  B | IPC B  H

Claim 0:
1. A microelectromechanical system (MEMS) apparatus comprising:
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;
a first low pressure region between the first membrane and the second membrane;
a second low pressure region between the second membrane and the third membrane;
a first stator in the first low pressure region;
a second stator in the second low pressure region; and
a plurality of pillars mechanically coupled to the first membrane, the second membrane and the third membrane, wherein at least one pillar of the plurality of pillars has a first terminal coupled to the first membrane, a second terminal coupled to the third membrane and a middle point coupled to the second membrane, and wherein at least one portion of the at least one pillar is a conductive portion being configured to electrically couple two membranes.