Oxygen sensitive, refractory oxide composition

US3948813A · kind A · utility

Assignee

• The United States of America as represented by the United States Energy Research and Development Administration · US

Inventors

• Cressie E. Holcombe, Jr. · Knoxville, US
• Douglas D. Smith · Puyallup, US

Key dates

• Filing date: Dec 2, 1974
• Grant date: Apr 6, 1976
• Expiry date: Dec 2, 1994

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2237/765
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

Oxide compositions containing niobium pentoxide and an oxide selected from the group consisting of hafnia, titania, and zirconia have electrical conductivity characteristics which vary greatly depending on the oxygen content.