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Special Issue Article Open Access
The ability to telemetrically measure strain is important in many aspects of daily life which brings important scientific and technological challenges in many sectors such as civil engineering, aircraft modeling, etc..,. Another unrealized, application area is human medicine and healthcare. MEMS (Micro Electro- Mechanical System) technology for Radio Frequency applications has emerged in recent years as a valuable solution to fabricate passive components for the above application with remarkable performance, like very high quality factor and wide capacitance tuning ranges. This paper presents a bio-MEMS strain sensor. The sensor is designed and fabricated in a suspended architecture that increases the quality factor of the sensor with increased resonance frequency shift under load using RF-MEMS approach. As load is applied to stainless steel plate it deforms and modifies the operating frequency shift. When the tissues mineralize, strain in the plate gets decreases thus allowing the observation of healing process. IntelliSuite software is a design and verification tool for MEMS. This software can simulate actual steps in a fabrication process to develop a 3-D model of a device that can be used to perform 3-D simulation. The suspended architecture is designed and simulated using this software. The resonance frequency shift is measured and the results is found satisfactory.
Bio-MEMS strain sensor, resonance frequency shift, IntelliSuite, Suspended architecture, Simulation Computer Science