Efficiency and Cost Tradeoffs Between Aluminum and Zinc-Aluminum Die Cast Heatsinks

10/31/97

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Table of Contents

Efficiency and Cost Tradeoffs Between Aluminum and Zinc-Aluminum Die Cast Heatsinks

I have a Problem! I have a gob of high power chips and the marketing people will only let me air cool it! 

YIKES!

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9 Kilowatt Video Kiln Compact box of 400 custom processors

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Modern Day Problems for Thermal Engineer 

Heatsinks for Forced Air Cooling Charts say to water cool but marketing says no...

Heatsink Materials Do you really need the Best?

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Comparing the Heatsink and Material Combinations 

Pros/cons to Aluminum Extrusions Never a perfect solution

Machined Heatsinks Never a perfect solution

Die Cast Heatsinks The Good...

Die Cast Heatsinks The Simple

Disadvantages to Die Cast Heatsinks The Bad...

Advantages to Zinc-Aluminum vs Aluminum Die Casts The Not So Shabby...

Notes on Zinc-Aluminum vs Aluminum Die Casts

Die Cast Heatsinks Comparisons

Heatsink Material’s Casting Properties 

Multiple Heat Sinks per Board

SYSTEM PACKAGING SUMMARY

Who’s Happy Now?

Author: Kurtis Keller 

Email: keller@cs.unc.edu 

Home Page: http://www.cs.unc.edu/~keller/ 

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