The semiconductor community is developing three-dimensional circuits that integrate logic, memory, optoelectronic and radio-frequency devices, and microelectromechanical systems. These three-dimensional (3D) circuits pose important challenges for thermal management due to the increasing heat load per unit surface area. This paper theoretically studies 3D circuit cooling by means of an integrated microchannel network. Predictions are based on thermal models solving one-dimensional conservation equations for boiling convection along microchannels, and are consistent with past data obtained from straight channels. The model is combined within a thermal resistance network to predict temperature distributions in logic and memory. The calculations indicate that a layer of integrated microchannel cooling can remove heat densities up to within a 3D architecture with a maximum circuit temperature of The cooling strategy described in this paper will enable 3D circuits to include greater numbers of active levels while exposing external surface area for functional signal transmission.
Integrated Microchannel Cooling for Three-Dimensional Electronic Circuit Architectures
Contributed by the Heat Transfer Division for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received April 23, 2004; revision received September 11, 2004. Associate Editor: C. Amon.
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Koo, J., Im, S., Jiang , L., and Goodson, K. E. (February 15, 2005). "Integrated Microchannel Cooling for Three-Dimensional Electronic Circuit Architectures ." ASME. J. Heat Transfer. January 2005; 127(1): 49–58. https://doi.org/10.1115/1.1839582
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