Patent · US Expired

Fused silica having improved index homogeneity

US6946416B2 · kind B2 · utility

6Cited by
10References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 2002
Grant dateSep 20, 2005
Priority date—
Expiry dateJul 23, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C2201/32
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Fused silica articles exhibiting improved internal transmission and decreased absorption change when irradiated with a laser when compared with fused silica articles containing lower levels of aluminum. The articles also exhibit induced transmission when irradiated with a laser. The articles also exhibit improved off-axis refractive index homogeneity.

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