Compositions of fluoride glasses and process for manufacturing fluoride glasses

US4141741A · kind A · utility

Assignee

• Etablissement Public dit: Agence Nationale de Valorisation de la Recherche (ANVAR) · FR

Inventors

• Jacques Lucas · Betton, FR
• Michel Poulain · Servon, FR
• Marcel Poulain · Rennes, FR

Key dates

• Filing date: Jun 10, 1977
• Grant date: Feb 27, 1979
• Expiry date: Jun 10, 1997

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S501/904
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Compositions of fluorinated glasses are disclosed which result from the ternary composition of ZrF.sub.4 or HfF.sub.4, BaF.sub.2 and ThF.sub.4 or UF.sub.4, each component being within a specified range of composition indices, the indices for the separate components totalling unity.