Microelectronics Engineering Group

Microelectronics Engineering Group

Electronics Technology, Systems and Automation Engineering Department University of Cantabria
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Title:Fault injection in an implantable MEMS-based pressure sensing device
Type:International Conference
Where:Proceedings of the 28th Design of Circuits and Integrated Systems Conference (DCIS 2013)
Date:2013-11
Authors: Jose Angel Miguel
Yolanda Lechuga
Román Mozuelos
Mar Martínez
R&D Lines: Test methods of digital and mixed integrated circuits
Projects: Diseño Testable de Sistemas Heterogéneos con Aplicación a Electrónica Méd...
ISBN:978-84-8081-401
PDF File:
Abstract:This work explores the fault injection problem in the particular case of an implantable capacitive micro-electromechanical pressure sensor for blood-flow measurement to detect in-stent restenosis. In order to develop a Design-for-Test method for this MEMS-based sensor and its related electronic circuitry, an accurate and realistic fault model is essential. A behavioral description of the equivalent capacitance in the fault-free case can be obtained from the analytical and numerical solutions of the deflection of a circular or rectangular diaphragm under uniform pressure. However, the deflection problem for faulty conditions due to, for example, contamination-based defects that cause pyramidal crystals to grow on top of the membrane must be solved and modeled using finite-element analysis.
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