Structurally supported thin film resonator and method of fabrication

In the thin film resonator, a piezoelectric membrane is disposed over a substrate. A first support structure defines a space over the substrate and supports the edges of the piezoelectric membrane such that the piezoelectric membrane is disposed over this space. A further support structure is dispos...

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Bibliographische Detailangaben
Hauptverfasser: Gammel, Peter, Barber, Bradley, Wong, Yiu-Huen
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:In the thin film resonator, a piezoelectric membrane is disposed over a substrate. A first support structure defines a space over the substrate and supports the edges of the piezoelectric membrane such that the piezoelectric membrane is disposed over this space. A further support structure is disposed within the space to the piezoelectric membrane.