Study of hotspot cooling using electrowetting on dielectric digital microfluidic system

This paper presents a novel digital microfluidic (DMF) liquid cooling system using electrowetting on dielectric (EWOD) developed for demonstrating and studying hotspot cooling towards electronics thermal management. The merits of this cooling system lie in the fact that no mechanically moving parts...

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Bibliographic Details
Published in2014 IEEE 27th International Conference on Micro Electro Mechanical Systems (MEMS) pp. 1039 - 1042
Main Authors Bindiganavale, Govindraj, Seung Mun You, Hyejin Moon
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.01.2014
Subjects
Cooling
Dielectrics
Electrodes
Heating
Indium tin oxide
Liquids
Microfluidics
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Summary:This paper presents a novel digital microfluidic (DMF) liquid cooling system using electrowetting on dielectric (EWOD) developed for demonstrating and studying hotspot cooling towards electronics thermal management. The merits of this cooling system lie in the fact that no mechanically moving parts such as valves, pumps and fans are required to achieve cooling pumping, thus having smaller form factor than bulky heat pipes and other conventional cooling systems. This study reveals close profiles of temperature change during coolant drop motion over hotspot as well as importance of phase-change cooling around the meniscus of the droplet.
ISSN:1084-6999
DOI:10.1109/MEMSYS.2014.6765822