Title: A capacitance and optical method for the static and dynamic characterisation of MEMS devices
Authors: Ferraris, Eleonora ×
Fassi, Irene
De Masi, Biagio
Rosing, Richard
Richardson, Andrew #
Issue Date: 2006
Publisher: STMicroelectronics
Series Title: St Journal of Research vol:3 issue:1 pages:21-28
Conference: Reprinted with permission from Proceedings of DTIP 2005 location:Montreux, Switzerland date:1-3 June 2005
Abstract: As the micro technology field expands, the need for simple and standardized high precision procedures to evaluate device functionality, reliability, and quality of MEMS devices increases. In this paper, the application of two empirical methods suitable for the static and the dynamic characterization of micrometersized structures is proposed. The first methodology is based on capacitance measurements and finds simple application in case of comb-finger actuated devices. The second one is based on the Doppler phenomenon combined with laser optical interferometry, allowing the characterization of a wide range of structures. The methodologies are applied to a reliability structure specifically designed at STMicroelectronics for studying the fatigue behavior of the structural material involved in the fabrication of their commercial products. This case study highlights how the techniques may be coupled to usual design approaches for completing and verifying the information given by theory and simulations, thus improving the entire development cycle.
Publication status: published
KU Leuven publication type: DI
Appears in Collections:Production Engineering, Machine Design and Automation (PMA) Section
Mechanical Engineering Technology TC, Technology Campus De Nayer Sint-Katelijne-Waver
Technologiecluster Werktuigkundige Industriƫle Ingenieurstechnieken
× corresponding author
# (joint) last author

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