RESEARCH
PROJECT
Title : Wireless Implantable Drug Delivery Device
Based On Shape Memory Alloy Microactuator
Abstract :
This project propose a novel
out-of-plane microactuator based on a bulk-micromachined SMA coil with a built-in heater that is controlled wirelessly using RF magnetic fields. The
out-of-plane SMA coil will be microfabricated through a
planar process and self-assembled by locally
controlled bending of the coil structure. The SMA coil acts as both a resonant heater circuit, which receives RF power
wirelessly for heat generation, and a vertical actuator
structure. This monolithic approach
is aimed to reduce the overall size of the actuator and heat loss associated with the hybrid device, while eliminating the need for bonding and assembly processes for SMA integration. Direct
wireless heating of the SMA coil is
expected to improve temporal
response and reduce the temperature gradient of the actuator.
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