Patent ID: 8823124

Claim:
A semiconductor structure for a radiation detector, comprising a substrate composed of a semiconductor material of a first conductivity type; a semiconductor substrate, wherein the semiconductor substrate is provided with a semiconductor layer provided on the substrate and having a higher resistance in comparison to the substrate, of the first conductivity type, and electrically doped with a doping concentration; a plurality of doped regions, wherein the plurality of doped regions are provided in the semiconductor substrate and separated from each other, of a second conductivity type that is opposite from the first conductivity type, and electrically doped with a doping concentration that is higher than the doping concentration in the semiconductor substrate; at least one further doping region, wherein the at least one further doping region is provided in the semiconductor substrate and assigned to one or more of the plurality of doping regions, of the first conductivity type, and electrically doped with a doping concentration that is higher than the doping concentration in the semiconductor substrate; and a cover layer that is provided on the semiconductor substrate and of the second conductivity type, wherein an avalanche area, which is an area of high electrical field strength, is provided in the semiconductor substrate between the plurality of doping regions provided herein and the cover layer provided on the semiconductor substrate, in which free charge carriers are replicated during operation due to collisions, wherein a quench area is provided in the semiconductor substrate between the plurality of doping regions provided herein and the substrate.