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Danamics LM10 Liquid Metal Electromagneticly Pumped CPU Heatsink - FrostyTech.com Danamics LM10 Liquid Metal Electromagneticly Pumped CPU Heatsink
Thu Aug 07, 2008 | 11:16P| PermaLink
The Danamics LM10 heatsink is a liquid metal based CPU cooler produced by Danamics ApS in Nørresundby, Denmark. The heatsink has what appears to be five heatpipes connecting a base plate to a small black box and standard array of aluminum cooling fins. In actuality, these are a series of pipes connecting an electromagnetic pump which drives a liquid metal fluid through the heatsink to efficiently conduct heat from the CPU to cooling fins. A standard 120mm/90mm fan exhausts the heat into the surrounding environment in the conventional manner.
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Electromagnetic pumps contains no moving parts, are silent and suffer no performance degrading over time. The Danamics design uses a "multi-string electromagnetic pump" with unspecified flow. The liquid metal is most likely an alloy of Gallium, Indium, Tin, Bismuth and perhaps even Mercury. The resulting amalgam has a very low melting temperature of perhaps 10-20C.

Several examples of this technology exist from which we can infer design parameters. (ie. Patent 62118000, 361700000) Intel acquired a patent for an electromagnetic pump driven system in 2005 that sounds identical in principle to the Danamics approach. Patent application 11/322495 'Electromagnetically-actuated micropump for liquid metal alloy enclosed in cavity with flexible sidewals' outlines the idea in painstaking detail.

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The Danamics LM10 Intel & AMD heatsink has no bulky external housings, reservoirs or radiator. The LM10 heatsink is a self-contained unit consisting of a hermetically sealed electromagnetic "multi-string" pump (drawing less than 1W), cooling fins and base block. The pump has no moving parts and is orientation independent.

You may recall Sapphire's never-ever-made-it-to-retail liquid metal cooled videocard also used a liquid metal coolant.

FULL STORY @ DANAMICS
(http://www.danamics.com/)


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