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Article Dans Une Revue IEEE Transactions on Electron Devices Année : 2022

BEOL Thermal Resistance Extraction in SiGe HBTs

Résumé

A prior estimate of the impact of thermal resistance from the back-end-of-line (BEOL) metallization layers is crucial for an accurate circuit design and thermally aware device design. This paper presents a robust technique to extract the thermal resistance component originating from the BEOL metal layers in silicon germanium heterojunction bipolar transistors (SiGe HBTs). The proposed technique is first tested on data generated using analytical equations and later validated with 3D TCAD simulation. The results clearly show that the exact contribution of the BEOL to the overall thermal resistance is captured in the proposed approach. Finally, we verified the method using measured data obtained from fabricated SiGe HBT structures using Infineon B11HFC technology. The extracted parameters show reasonable accuracy and consistency across different emitter dimensions and BEOL configurations.
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Dates et versions

hal-03846371 , version 1 (10-11-2022)

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K. Nidhin, Suresh Balanethiram, Deleep Nair, Rosario d'Esposito, Nihar Mohapatra, et al.. BEOL Thermal Resistance Extraction in SiGe HBTs. IEEE Transactions on Electron Devices, 2022, pp.1-6. ⟨10.1109/TED.2022.3215715⟩. ⟨hal-03846371⟩
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