Fabrication Of Lithium Niobate Bulk Acoustic Resonator For 5G Filters

Annalisa De Pastina, Muhammad Faizan, Soumya Yandrapalli, Patrick J. Turner, Robert B. Hammond, Victor Plessky, Luis Guillermo Villanueva

Publikation: Konferenzband/Beitrag in Buch/BerichtKonferenzartikelBegutachtung

Abstract

This work presents the fabrication of a MEMS resonant device which addresses the need for high quality and miniaturized RF filters in the 3–6 GHz range for 5th generation (5G) mobile networks. The 4-mask fabrication process is based on the definition of interdigitated Aluminum (Al) electrodes on a suspended membrane of 400 nm-thick Z-cut lithium niobate (LiNbO3). Devices are fabricated with a yield of 70% and exhibit high electromechanical coupling (kt2) and quality factor (Q) up to 28% and 300, respectively, for frequencies around 5 GHz.
OriginalspracheEnglisch
TitelIEEE 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII)
DOIs
PublikationsstatusVeröffentlicht - Juni 2019
Extern publiziertJa
Veranstaltung2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII  - Berlin, Deutschland
Dauer: 23 Juni 201927 Juni 2019

Konferenz

Konferenz2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII 
KurztitelTRANSDUCERS and EUROSENSORS XXXIII
Land/GebietDeutschland
OrtBerlin
Zeitraum23/06/1927/06/19

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