MEMS ACOUSTIC SENSOR

Provided is a MEMS acoustic sensor including a substrate and a cavity, a back plate supported on the substrate and including a plurality of through-holes, at least one anchor projecting from the back plate toward the substrate, and a diaphragm supported by the at least one anchor and deformed by a s...

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Bibliographische Detailangaben
Hauptverfasser: SHAH, Muhammad Ali, LEE, Sang woo, KIM, Yong Kook, SONG, Ci Moo, YOUN, Keun Jung, JUNG, Kyu dong
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:Provided is a MEMS acoustic sensor including a substrate and a cavity, a back plate supported on the substrate and including a plurality of through-holes, at least one anchor projecting from the back plate toward the substrate, and a diaphragm supported by the at least one anchor and deformed by a sound wave introducing from the outside through the cavity, wherein no part of the deformed diaphragm comes into contact with the substrate.