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Journal ArticleDOI

Mini-Contact Enhanced Thermoelectric Cooling of Hot Spots in High Power Devices

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TLDR
In this paper, a chip package featuring a TE Mini-contact cooler integrated with conventional integrated heat spreader and heat sink is designed for hot-spot cooling, and the cooling performance of such chip package has been investigated by using a 3-D numeric model.
Abstract
Cooling hot-spots with high heat flux (e.g., >1000 W/cm2) is becoming one of the most important technical challenge in today's integrated circuit industry. More aggressive thermal solutions, than would be required for uniform heating, are highly desired. Recently, solid state thermoelectric coolers (TECs) have received more attention for hot-spot thermal management. However, present day TECs typically have cooling flux much lower than heat flux in the hot-spots. In this work, we reported an innovative technique-TE Mini-contact-to significantly increase cooling flux of TECs for the application in hot-spot cooling. A chip package featuring a TE Mini-contact cooler integrated with conventional integrated heat spreader and heat sink is designed. The cooling performance of such chip package has been investigated by using a 3-D numeric model. It is found that the cooling in the hot-spot (1250 W/cm2, 400 mum by 400 mum) can be about 19 degC better in the proposed package than that achieved in the conventional chip package without TEC. The effects of trench, die thickness, and TEC misalignment on the cooling of the hot-spot are also discussed.

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Citations
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Journal ArticleDOI

Hotspot cooling with jumping-drop vapor chambers

TL;DR: In this paper, a jumping-drop vapor chamber consisting of parallel plates of a superhydrophilic evaporator and a super-hydrophobic condenser is proposed to address mobile hotspots with a pathway toward effective thermal transport in the out-ofplane direction.
Journal ArticleDOI

On-chip Hot Spot Remediation with Miniaturized Thermoelectric Coolers

TL;DR: In this paper, the authors present a comprehensive review of recent advances in novel applications of superlattice, mini-contact, and silicon-based miniaturized thermoelectric coolers in reducing the severity of on-chip hot spots.
Journal ArticleDOI

Efficient on-chip hotspot removal combined solution of thermoelectric cooler and mini-channel heat sink

TL;DR: In this article, a combined solution of thermoelectric cooler (TEC) and mini-channel heat sink was proposed to remove the hotspot of the chip in the electronic equipment.
Proceedings ArticleDOI

Near-Junction Thermal Management for Wide Bandgap Devices

TL;DR: In this article, the authors review the thermal management needs of WBG devices and DARPA's Thermal Management Technologies portfolio, with emphasis on the goals and status of these efforts relative to the current state-of-the-art.
References
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Journal ArticleDOI

Simultaneous measurements of Seebeck coefficient and thermal conductivity across superlattice

TL;DR: In this article, an Au/Cr pattern serves as both a heater and a thermometer, and a microprobe is prepared between the heater and the thin film to extract the Seebeck voltage.
Journal ArticleDOI

On-chip solid-state cooling for integrated circuits using thin-film microrefrigerators

TL;DR: An overview of recent advances in solid-state cooling utilizing thin-film silicon germanium-based microrefrigerators is given in this article, where key parameters affecting micro cooler performance are described.
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