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The Boundary Layer is a thin layer of fluid created along surfaces as fluid moves across it. Every surface, from your hand, to the surface of a heat sink used to cool electrical devices, is surrounded by a boundary layer. In electronic devices, the boundary layer creates an insulating blanket of air molecules across hot surfaces that inhibits heat dissipation.

Devices are getting increasingly compact. Every fraction of a millimeter of internal device space is carefully designed by manufacturers to create the smallest and most powerful devices possible. Designs aimed at satisfying consumers’ demand for increased performance in ever smaller devices.