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Self-aligned flip-chip assembly of protonic devices with electrical and optical connections

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2 Author(s)
M. J. Wale ; Plessey Res. Caswell Ltd., Towcester, UK ; C. Edge

A technique is discussed which offers major advantages in performance, ruggedness, and cost in the interfacing of integrated optical circuits. The technique is based on a self-aligned flip-chip solder bump bonding process and achieves ~1-μm accuracy in optical fiber placement without requiring micromanipulation of piece parts during final assembly. A high density of electrical interconnections is achieved simultaneously with the optical fiber connections. Material considerations, precision, and reproducibility are discussed

Published in:

IEEE Transactions on Components, Hybrids, and Manufacturing Technology  (Volume:13 ,  Issue: 4 )