X-ray detector comprising a converter element with rewiring unit

US10761221B2 · kind B2 · utility

Assignee

• Siemens Healthcare Limited · DE

Inventors

• Thorsten ERGLER · Erlangen, DE
• Harald Geyer · Bubenreuth, DE
• Christian Schroeter · Bamberg, DE
• Justus Tonn · Forchheim, DE
• Jan Wrege · Erlangen, DE

Key dates

• Filing date: Mar 13, 2018
• Grant date: Sep 1, 2020
• Expiry date: Jul 25, 2038

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01L2224/16221
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

A counting x-ray detector includes a converter element, a rewiring unit and an evaluation unit including pixel electrodes. In an embodiment, the converter element includes a first electrode on a surface facing away from the evaluation unit and a pixelated second electrode having a plurality of electrode elements on a surface facing toward the evaluation unit. The rewiring unit is on a surface of the converter element facing toward the evaluation unit. First contacts of electrically conductive connections between the electrode elements and the pixel electrodes are provided on a surface of the rewiring unit and include a first areal distribution; and second such contacts are provided on a surface of the rewiring unit, including a relatively smaller second areal distribution. An areal extent of the evaluation unit is relatively smaller than an areal extent of the converter element.