Patent · US Expired

Zirconia containing glass compositions for cathode ray tubes

US3987330A · kind A · utility

11Cited by
6References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 25, 1975
Grant dateOct 19, 1976
Priority date
Expiry dateApr 25, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C4/087
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Disclosed are glass compositions containing specified critical proportions of ZrO.sub.2, PbO, BaO, and SrO, to achieve X-ray absorption, resistance to devitrification and other glass forming properties which render them particularly suited for the manufacture of faceplates for cathode ray tubes for color television applications.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.