Patent ID: 9536958
Date: 2017-01-03
CPC Classifications: H01L,H03H

Claim:
1. A semiconductor substrate comprising a semiconductor material with a conduction band edge and a valence band edge, separated by a bandgap, wherein the semiconductor material comprises a base doping region and additional selenium (Se) impurity atoms homogeneously distributed and located in the base doping region, wherein a concentration of the homogeneously distributed selenium impurity atoms located in the base doping region is greater than 1×10 wherein the semiconductor material comprising the base doping region and the homogeneously distributed selenium (Se) impurity atoms additionally includes an electronic device zone, wherein the semiconductor substrate comprising the base doping and the homogeneously distributed selenium (Se) impurity atoms has a specific resistivity higher than 100 Ohm cm, and wherein the electronic device zone of the semiconductor material comprises an electronic device, the electronic device comprising a drift region or a base region, wherein the drift region or the base region of the electronic device comprises the base doping region and the homogeneously distributed selenium (Se) impurity atoms located in the base doping region.