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Platform Isolation Using Out-of-Plane Complaint Mechanisms
Published in 2014
This paper reports the structural solid mechanic simulation of a MEMS out-of-plane platform that provides thermal and electrical isolation for a device built on it. When assemble, the platform lifted for approximately 400 μm above the substrate level. A mechanical stress analysis is then presented in order to evaluate the feasibility of building it using commonly used materials in MEMS. Our analysis showed that polymeric materials such as polyimide and SU8 may undergo a localized plastic deformation but are not likely to fail upon assembly. Polysilicon on the contrary, showed high failure probability.
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