3D packaging of embeded opto-electronic die and CMOS IC based on wet etched silicon interposer

C. Li, E. Smalbrugge, T. Li, R. Stabile, O. Raz

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/CongresprocedureConferentiebijdrageAcademicpeer review

5 Citaten (Scopus)

Samenvatting

In this paper, we propose a novel way for 3D packaging of optical and electrical dies for parallel optical interconnections based on wet etched silicon interposer. The process flow of silicon interposer fabrication is demonstrated. Through three steps of deeply wet etching of silicon, a multi-level cavity is formed for embedding and flip-chipping of optical die and electrical die, and the optical through silicon vias for optical I/Os are opened. After flip chip bonding, a designed 50 μm air gap is formed between electronics and optics for thermal isolation. The heat transfer is also simulated to validate the thermal isolation air gap between dies. After fabricating, a 10 Gbps 12-channel receiver is assembled on the silicon interposer, and the sub-module is scaled down to 4 mm by 6 mm. The performance of the fully assembled sub-module is tested on a probe station. Clear eye patterns are captured for each channel. Bit error rate (BER) testing is also performed showing uniform BER with performance matching that of commercial MM receiver
Originele taal-2Engels
TitelProceedings - IEEE 67th Electronic Components and Technology Conference, ECTC 2017
Plaats van productiePiscataway
UitgeverijInstitute of Electrical and Electronics Engineers
Pagina's551-556
Aantal pagina's6
ISBN van elektronische versie978-1-5090-6315-4
ISBN van geprinte versie978-1-5090-6316-1
DOI's
StatusGepubliceerd - 1 aug 2017

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    Li, C., Smalbrugge, E., Li, T., Stabile, R., & Raz, O. (2017). 3D packaging of embeded opto-electronic die and CMOS IC based on wet etched silicon interposer. In Proceedings - IEEE 67th Electronic Components and Technology Conference, ECTC 2017 (blz. 551-556). [7999744] Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/ECTC.2017.222