The field charge extraction (FCE) diode: a novel technology for soft recovery high voltage diodes

In this paper we present for the first time a newly developed high voltage diode technology, exhibiting soft recovery performance under all operating conditions. The new diode structure is capable of providing the necessary charge for soft recovery behavior by employing the field charge extraction (FCE) technology. Experimental results obtained from initial prototype samples demonstrate a clear breakthrough in soft recovery performance especially for high voltage diodes rated up to 6500V.