Introduction To Microelectromechanical System P2

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Introduction To Microelectromechanical System P2

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An Introduction to Microelectromechanical Systems Engineering The Sandbox: Materials for M E M S devices are made of n-type and p-type bismuth telluride elements, and are used to cool high-performance microprocessors, laser diodes, and infrared sensors. Peltier devices have proven difficult to implement as micromachined thin film structures. In the Seebeck effect, named for the scientist who made the discovery in 1822, a temperature gradient across an element gives rise to a measurable electric field that tends to oppose the charge flow (or electric current) resulting from the temperature imbalance. The measured voltage is, to first order, proportional to the temperature difference,...

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