Modeling of nanostructured polymer-metal composite for thermal interface material applications

Hu, Zhili; Carlberg, Björn; Yu, Chan; Guo, Xingming; Liu, Johan

doi:10.1109/icept.2009.5270706

2009 International Conference on Electronic Packaging Technology &Amp; High Density Packaging 2009

DOI: 10.1109/icept.2009.5270706

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Modeling of nanostructured polymer-metal composite for thermal interface material applications

Zhili Hu

Björn Carlberg

Chan Yu

et al.

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Cited by 3 publications

(2 citation statements)

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“…As revealed in Figure 2d, temperature oscillations increase with decreasing PI thickness mainly due to the higher thermal conductivity of PI than silicone. [26,27] Overall, experimental results (represented as dots) agree well with analytical solutions (dash lines) and FEA values (solid lines) at all frequencies. Further validation of FEA models and calculations follow from comparisons against previous methods, [1] in which the thermal conductivity can be extracted from the slope of the in-phase component of the temperature oscillation versus ln(ω).…”

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confidence: 68%

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Flexible and Stretchable 3ω Sensors for Thermal Characterization of Human Skin

Tian

Webb

et al. 2017

Adv Funct Materials

101

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Characterization of the thermal properties of the surface and sub-surface structures of the skin can reveal the degree of hydration, the rate of blood flow in near-surface micro and macrovasculature, and other important physiological information of relevance to dermatological and overall health status. Here, we introduce a soft, stretchable thermal sensor, based on the so-called three omega (i.e. 3ω) method, for accurate characterization of the thermal conductivity and diffusivity of materials systems, such as the skin, that can be This article is protected by copyright. All rights reserved. 5 challenging to measure using established techniques. Experiments on skin at different body locations and under different physical states demonstrate the possibilities. Systematic studies establish the underlying principles of operation in these unusual systems, thereby allowing rational design and use of these types of devices, through combined investigations based on analytical modeling, experimental measurements and finite element analysis. The findings create broad opportunities for the use of 3ω methods in biology, with utility ranging from the integration with surgical tools or implantable devices to non-invasive uses in clinical diagnostics and therapeutics.

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supporting

confidence: 68%

“…The temperature increase in the Au wire was uniform because the thermal conductivity of Au (400 W/mK) is three orders of magnitude larger than that of the Ecoflex substrate (0.21 W/mK) and the PI layer (0.52 W/mK). [27] For the serpentine Au wire, thermal analysis used 3D element DC3D8. including biological tissues such as the human skin.…”

mentioning

confidence: 99%

Flexible and Stretchable 3ω Sensors for Thermal Characterization of Human Skin

Tian

Webb

et al. 2017

Adv Funct Materials

101

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Carbon nanotubes for electronics manufacturing and packaging: from growth to integration

Liu

Jiang

et al. 2013

Adv. Manuf.

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Thermal properties of microscale inorganic light-emitting diodes in a pulsed operation

Shi

Song

et al. 2013

Journal of Applied Physics

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Light-emitting diodes (LEDs) in a pulsed operation offer combined characteristics in efficiency, thermal management, and communication, which make them attractive for many applications such as backlight unit, optical communication, and optogenetics. In this paper, an analytic model, validated by three dimensional finite element analysis and experiments, is developed to study the thermal properties of micro-scale inorganic LEDs (l-ILED) in a pulsed operation. A simple scaling law for the l-ILED temperature after saturation is established in terms of the material and geometrical parameters of l-ILED systems, peak power, and duty cycle. It shows that the normalized maximum temperature increase only depends on two non-dimensional parameters: normalized l-ILED area and duty cycle. This study provides design guidelines for minimizing adverse thermal effects of l-ILEDs.

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Modeling of nanostructured polymer-metal composite for thermal interface material applications

Cited by 3 publications

References 4 publications

Flexible and Stretchable 3ω Sensors for Thermal Characterization of Human Skin

Flexible and Stretchable 3ω Sensors for Thermal Characterization of Human Skin

Carbon nanotubes for electronics manufacturing and packaging: from growth to integration

Thermal properties of microscale inorganic light-emitting diodes in a pulsed operation

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