Trench sidewall doping for lateral power devices [ion implantation]

Sidewall doping of trenches with a high aspect ratio and a high grade of anisotropy (90/spl deg//spl plusmn/0.5/spl deg/) by ion implantation has been investigated. Two-dimensional (2D) process simulation and delineation experiments have shown a good agreement between simulation and experimental res...

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Hauptverfasser: Berberich, S.E., Bauer, A.J., Frey, L., Ryssell, H.
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Bauer, A.J.
Frey, L.
Ryssell, H.
description Sidewall doping of trenches with a high aspect ratio and a high grade of anisotropy (90/spl deg//spl plusmn/0.5/spl deg/) by ion implantation has been investigated. Two-dimensional (2D) process simulation and delineation experiments have shown a good agreement between simulation and experimental results. The doping of the trenches has been evaluated in order to manufacture functional wells for lateral power devices. 2D device simulation has been performed to compare optimized sidewall profiles of lateral power devices with the profiles reached by ion implantation. From these data, the process parameters for the ion implantation process referring to optimal device performance have been determined.
doi_str_mv 10.1109/ESSDERC.2003.1256893
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subjects Chemical vapor deposition
Dielectric substrates
Doping profiles
Glass
Insulated gate bipolar transistors
Ion implantation
Isolation technology
Manufacturing processes
Silicon on insulator technology
Voltage
title Trench sidewall doping for lateral power devices [ion implantation]
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