Fast operating radiation detector and method for operating same

US5821539A · kind A · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Richard Matz · Bogen, DE
• Andreas Jahnke · Munich, DE

Key dates

• Filing date: Apr 23, 1997
• Grant date: Oct 13, 1998
• Expiry date: Apr 23, 2017

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10F30/29
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

A directly converting radiation detector with a diode structure having first and second operating electrodes on opposite sides of a semiconductor body has an additional injector electrode, which injects charge carriers for the compensating charged traps in the semiconductor body. The secondary dark current generated in this way does not flow via the electrode used for measurement purposes and therefore does not influence the measured signal. The injection is facilitated by suitable doping under the injector electrode.