Analysis of graphene and CNT based finned TTSV and spreaders for thermal management in 3D IC

Singh, S and Kumar Panigrahi, A and Krishan Singh, O and Singh, Shiv Govind (2016) Analysis of graphene and CNT based finned TTSV and spreaders for thermal management in 3D IC. In: IEEE International 3D Systems Integration Conference, 3DIC, 8-11 November, 2016, San Francisco; United States.

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Abstract

In this paper, we demonstrate the effect on the heat management by adding both fin to Thermal Through Silicon Vias (TTSV) and heat spreaders to the conventional Three Dimensional Integrated Circuit (3D IC) structure. Various effects such as thermal cooling and its impact on distribution of potential across IC at different conditions have been simulated using COMSOL Multiphysics with various architectures such as: (1) 3D IC structure with no fins and spreaders, (2) TTSV with fins and spreaders made of graphene, and (3) TTSV with fins and heat spreaders made of Carbon Nanotube (CNT). Our result yielded, CNT being better thermal cooling material compared to graphene of order greater than 100 K. Furthermore, finned structure with heat spreaders added an extra cooling advantage of the order greater than 400 K. But performance of graphene with fin structure is better as per signal integrity point of view. Conclusively thermal management can be improved efficiently with the above proposed 3D IC structures.

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IITH Creators:
IITH CreatorsORCiD
Singh, Shiv Govindhttp://orcid.org/0000-0001-7319-879X
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: 3D IC technology; CNT; Fin; Graphene; ILD; Spreaders; Thermal management; TTSV
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 14 Dec 2015 11:10
Last Modified: 16 Jan 2019 09:22
URI: http://raiith.iith.ac.in/id/eprint/2077
Publisher URL: https://doi.org/10.1109/3DIC.2016.7970000
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