(ELECTRO)MECHANICAL CHARACTERISTICS OF ELECTROSTATICALLY DRIVEN VACUUM ENCAPSULATED POLYSILICON RESONATORS

Citation
Hac. Tilmans et al., (ELECTRO)MECHANICAL CHARACTERISTICS OF ELECTROSTATICALLY DRIVEN VACUUM ENCAPSULATED POLYSILICON RESONATORS, IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 41(1), 1994, pp. 4-6
Citations number
15
Categorie Soggetti
Engineering, Eletrical & Electronic",Acoustics
ISSN journal
08853010
Volume
41
Issue
1
Year of publication
1994
Pages
4 - 6
Database
ISI
SICI code
0885-3010(1994)41:1<4:(COEDV>2.0.ZU;2-S
Abstract
The design, fabrication and performance of vacuum-encapsulated electro statically driven polysilicon resonating beams, 210-510 mum long, 100 mum wide, and 1.5 mum thick, are described. The shortest beams have a fundamental frequency of 324 kHz, a gauge factor of 2400 and a quality factor of 600 at cavity pressures of 0.15 mbar. Intrinsic quality fac tors of 18 000 were measured below 0.01 mbar.