Abstract
In this letter, a novel trench termination structure that can inhibit the reverse leakage current substantially and reduce the process cost is introduced. For trench type power devices, such as trench MOS barrier Schottky (TMBS) diodes, this new termination structure can be processed simultaneously with the active region without any additional mask. Simulation and experimental results show that TMBS diodes with this new termination structure can achieve a reverse blocking voltage of 100 V with a leakage current density as low as 8.4/spl times/10/sup -4/ A/cm/sup 2/.
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