Radiation image storage screen comprising and alkali metal halide phosphor

US5736069A · kind A · utility

Assignee

• Agfa-Gevaert NV · BE

Inventors

• Peter Willems · Mortsel, BE
• Paul Leblans · Kontich, BE
• Luc Struye · Mortsel, BE
• Johann-Martin Spaeth · Paderborn, DE
• Thomas Hangleiter · Paderborn, DE
• Carsten Dietze · Bad Schandau, DE

Key dates

• Filing date: Jun 20, 1996
• Grant date: Apr 7, 1998
• Expiry date: Jun 20, 2016

Classification

• Technology area (CPC G): Physics
• CPC primary: G21K2004/06
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A radiation image storage screen is provided comprising an alkali metal phosphor wherein the dopant is selected from the group consisting of Ga.sup.1+, Ge.sup.2+, Sn.sup.2+, Sb.sup.3+ and As.sup.3+. In a preferred embodiment the alkali metal is Cs and/or Rb.