Patent · US Expired

Infrared, glass polarizer and method

US6606885B2 · kind B2 · utility

5Cited by
18References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 9, 2001
Grant dateAug 19, 2003
Priority date
Expiry dateOct 9, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C21/007
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A glass polarizer and a method of making the polarizer, the polarizer being produced from an R2O—Al2O3—B2O3—SiO2 glass containing limited amounts of ZrO2 and TiO2, and having a silver halide liquidus temperature and a rutile liquidus temperature, both temperatures being not over 995° C.

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