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Passivation of InP-based HBTs for high bit rate circuit applications

We have studied different materials (silicon nitride, silicon oxide, polyimide) for passivating InP-based HBTs, and their influence on the device electrical performances. Polyimide was found to induce the least degradation after passivation. A double heterojunction InP/InGaAs HBT fabrication process...

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Main Authors: Caffin, D., Bricard, L., Courant, J.L., How Kee Chun, L.S., Lescaut, B., Duchenois, A.M., Meghelli, M., Benchimol, J.L., Launay, P.
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creator Caffin, D.
Bricard, L.
Courant, J.L.
How Kee Chun, L.S.
Lescaut, B.
Duchenois, A.M.
Meghelli, M.
Benchimol, J.L.
Launay, P.
description We have studied different materials (silicon nitride, silicon oxide, polyimide) for passivating InP-based HBTs, and their influence on the device electrical performances. Polyimide was found to induce the least degradation after passivation. A double heterojunction InP/InGaAs HBT fabrication process, including polyimide passivation and planarization, has been assembled, allowing us to realize high bit-rate circuits, such as a 36 Gb/s 2:1 multiplexer.
doi_str_mv 10.1109/ICIPRM.1997.600252
format conference_proceeding
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ispartof Conference Proceedings. 1997 International Conference on Indium Phosphide and Related Materials, 1997, p.637-640
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language eng
recordid cdi_ieee_primary_600252
source IEEE Xplore All Conference Series
subjects Bit rate
Circuits
Degradation
Fabrication
Heterojunction bipolar transistors
Indium gallium arsenide
Indium phosphide
Passivation
Polyimides
Silicon
title Passivation of InP-based HBTs for high bit rate circuit applications
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