US Patent 7567597 Semiconductor device with a cooling element
Patent 7567597 was granted and assigned to Osram on July, 2009 by the United States Patent and Trademark Office.
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A semiconductor device comprising a semiconductor component, particularly a power laser diode bar, disposed on a cooling element, wherein the cooling element contains in its interior a cooling channel for conducting a coolant. The coolant channel comprises in at least one region microstructures for effective heat transfer to the coolant. The semiconductor component substantially completely overlaps the region of the cooling channel comprising the microstructures. Disposed between the semiconductor component and the cooling element is an intermediate support so arranged and configured that it compensates for mechanical stresses between the semiconductor component and the cooling element occurring as a result of differing thermal expansions of the semiconductor component and the cooling element. The material of the cooling element particularly preferably has a high modulus of elasticity such that the compensation takes place substantially within the elastic strain regime.
US Patent 07567597 Semiconductor device with a cooling element US Patent 7567597 Semiconductor device with a cooling element
US Patent 07567597 Semiconductor device with a cooling element
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