Microelectronics Engineering Group

Microelectronics Engineering Group

Electronics Technology, Systems and Automation Engineering Department University of Cantabria
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Title:Analysis of Fault Injection in Implantable Capacitive Blood-Pressure Sensors
Type:International Conference
Where:International Conference on Biomedical Electronics and Devices (Biodevices 2013)
Authors: Jose Angel Miguel
Yolanda Lechuga
Mar Martínez
R&D Lines: Test methods of digital and mixed integrated circuits
Projects: Diseño Testable de Sistemas Heterogéneos con Aplicación a Electrónica Méd...
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Abstract:This work explores the fault injection problem in the particular case of an implantable capacitive micro-electromechanical pressure sensor for blood-flow measurement applied to the detection of in-stent restenosis. In order to develop a MEMS testing method for this sensor and its related electronic circuitry, an accurate and realistic fault model is essential. A behavioural 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 diaphragm under a uniformly distributed pressure. However, the deflection problem for faulty conditions due to, for example, contamination-based defects or partially released structures must be solved and modelled using finite-element analysis.
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