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BPN744: Self-Destructing Silicon

Project ID BPN744
Website
Start Date Sun 2014-Feb-02 11:57:50
Last Updated Tue 2016-Sep-06 10:51:57
Abstract Funded under the DARPA Vanishing Programmable Resources (VaPR) program, this project explores the fundamental issues associated with making wireless sensor nodes disappear after achieving an objective. The MEMS Hammer is a micromachined device capable of storing mechanical energy and delivering that energy to a target. It has been used to fracture other microfabricated structures made of silicon and silicon dioxide. The MEMS Hammer is capable of storing a wide range of energies with the upper limit exceeding 10uJ. These devices have been characterized to determine the tradeoffs among energy stored, total stroke, and layout area. The MEMS Hammer is being developed for a variety of applications ranging from creating a self- destructing mote to extending the effective lifetime of air-sensitive and moisture-sensitive sensors.
Status Continuing
Funding Source DARPA
IAB Research Area Wireless, RF & Smart Dust
Researcher(s) Joseph Greenspun, Osama Khan, Travis Massey, Brad Wheeler, Ryan Shih
Advisor(s) Kristofer S.J. Pister, Michel M. Maharbiz
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