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TECHNICAL PAPERS

Orientation Specific Thermal Properties of Polyimide Film

[+] Author and Article Information
Robert J. Samuels

Polymer Engineering and Science, School of Chemical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0100e-mail: Robert.samuels@che.gatech.edu

Nancy E. Mathis

Mathis Instruments Ltd., Incutech Building, Garland Court, Fredericton, New Brunswick, Canada, E3B 6C2e-mail: Nancy@MathisInstruments.com

J. Electron. Packag 123(3), 273-277 (Mar 10, 2000) (5 pages) doi:10.1115/1.1347986 History: Received March 10, 2000
Copyright © 2001 by ASME
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References

Figures

Grahic Jump Location
The thin film is placed between the sensor and the blotter so that the saturation point can be determined
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The TC Probe™ is calibrated with known reference standards to produce a linear calibration equation (r=0.996). The screen capture shows the coordinates of the triplicate tests conducted on each sample as well as the name of each material: laf, cal3 and hdpe, respectively, left to right.
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A sketch of blotter overlay results illustrates the effect of metal and foam blotters on the slope of the traces
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No deviation occurs between these two averaged blotter plots for two layers of PI-1, indicating that the heat wave has not passed into the blotter material and that the results represent only the polyimide film
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The separation of plots indicates the point where the heat wave has penetrated one layer of the PI-1 sample (0.3525 s1/2 )
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Thermal conductivity decreases with increasing planarity index

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