A square isothermal chip is of width w = 5 mm on a side and is mounted

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A square isothermal chip is of width w = 5 mm on a side and is mounted in a substrate such that its side and back surfaces are well insulated, while the front surface is exposed to the flow of a coolant at T = 15°C. From reliability considerations the chip temperature must not exceed T = 85°C.


Coolant Chip

If the coolant is air and the corresponding convection coefficient is h = 200 W/m2. K, what is the maximum allowable chip power? If the coolant is a dielectric liquid for which h = 3000 W/m2. K, what is the maximum allowable power?

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Fundamentals of Heat and Mass Transfer

ISBN: 978-0471457282

6th Edition

Authors: Incropera, Dewitt, Bergman, Lavine

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