Patent ID: 9571938
Date: 2017-02-14
CPC Classifications: B81B,H04R

Claim:
1. A MEMS microphone element, comprising: at least two carrier elements for two electrode sides of a capacitor system, the carrier elements being formed one above another and at a distance from one another in a layered structure for signal detection, wherein: at least one of the carrier elements is sound pressure-sensitive, at least one of the electrode sides includes at least two electrode segments that are electrically independent of one another, the electrode segments together with the at least one electrode of the other electrode side form partial capacitances which are independent of one another, and a shape, position, and extension of the electrode segments across a surface of the at least one of the electrode sides correspond to a position and extension of vibration antinodes of a sound pressure-sensitive carrier element when the sound pressure-sensitive carrier element is excited to higher mode vibrations using ultrasound of a defined frequency.