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Silicon Microchannel Heat Sinks

Theories and Phenomena

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Springer Berlin,
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Kurzbeschreibung

There is significant current interest in new technologies for IC (Integrated Circuit) cooling, driven by the rapid increase in power densities in ICs and the trend towards high-density electronic packaging for applications throughout civilian and military markets. In accordance with Moore's Law, the number of transistors on 6 Intel Pentium microprocessors has increased from 7.5 x10 in 1997 (Pentium II) to 6 55 x10 in 2002 (Pentium 4). Considering the rapid increase in the integration density, thermal management must be well designed to ensure proper functionality of these high-speed, high-power chips. Forced air convection has been traditionally used to remove the heat through a finned heat sink and fan module. 2 Currently, with 82 W power dissipation rate, approximately 62 W/cm heat flux, from a Pentium 4 processor with 3.06 GHz core frequency, the noise generated from high rotating speed fans is approaching the limit of acceptable level for humans. However, the power dissipation from a single cost-performance chip is 2 expected to exceed 100 W/cm by the year 2005, when the air cooling has to be replaced by new cooling technologies. Among alternative cooling methods, the two-phase microchannel heat sink is one of the most promising solutions. Understanding the boiling process and the two-phase flow behavior in microchannels is the key to successful implementation of such a device.

Details
Schlagworte

Titel: Silicon Microchannel Heat Sinks
Autoren/Herausgeber: Lian Zhang, Kenneth E. Goodson, Thomas W. Kenny
Aus der Reihe: Microtechnology and MEMS
Ausgabe: 2004

ISBN/EAN: 9783540401810

Seitenzahl: 141
Format: 23,5 x 15,5 cm
Produktform: Hardcover/Gebunden
Gewicht: 432 g
Sprache: Englisch

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