Gigahertz monolithic delay lines for surface acoustic waves on Silicon

Autor: W. Seidel, Udo Christian Kaletta, B. Drescher, Dirk Wolansky, K Biermann, S Rauwerdink, Ch. Wenger, Mirko Fraschke, M Kaynak, Paulo V. Santos
Rok vydání: 2012
Předmět:
Zdroj: IOP Conference Series: Materials Science and Engineering. 41:012009
ISSN: 1757-899X
1757-8981
DOI: 10.1088/1757-899x/41/1/012009
Popis: We demonstrate the electrical generation of GHz surface acoustic waves (SAWs) on silicon chips using a process entirely compatible with standard CMOS fabrication. In this process, the interdigitated acoustic transducers are embedded in a silicon dioxide layer, which is subsequently coated with a piezoelectric ZnO film. We show that delay lines with sub-μm wavelength fabricated using this process reach resonance frequencies approaching 4 GHz.
Databáze: OpenAIRE