Scintillation glass

US4566987A · kind A · utility

Assignee

• Schott Glaswerke · DE

Inventors

• Georg Gliemeroth · Eltville am Rhein, DE
• Burkhard Speit · Mainz, DE
• Hans-Georg Krolla · Mainz, DE

Key dates

• Filing date: Jun 16, 1983
• Grant date: Jan 28, 1986
• Expiry date: Jun 16, 2003

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C03C4/12
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A colorless, cerium-and phosphorous-containing barium silicate glass, with a density of >3.3 g/cm.sup.2, a radiation length <43.5 mm, with strong fluorescence at 415-430 nm and with good scintillation properties, consisting essentially of (in percent by weight): ______________________________________ SiO.sub.2 20-60 B.sub.2 O.sub.3 0-18 21-60 P.sub.2 O.sub.5 1-10 Li.sub.2 O 0-10 Na.sub.2 O 0-10 K.sub.2 O 0-15 MgO 0-10 SrO 0-12 BaO 30-60 30-60 La.sub.2 O.sub.3 0-10 Ce.sub.2 O.sub.3 0.5-8 Other oxides 0-20 Al.sub.2 O.sub.3 0-2 CaO 0-4 ______________________________________