Affiliation:
1. Infineon Technologies AG
Abstract
The forward current distribution in SiC 600V merged pn-Schottky (MPS) diodes is visualized with the help of emission microscopy at various current densities. It is shown how the light emission develops with increasing current densities and extends from the Schottky contact areas into the pn junction areas. Large p+-regions e.g. in the edge termination contribute first by minority carrier injection, whereas the smaller p+ hexagonal cells and the p+ grid follow subsequently.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science
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