초록 ▼

A method is set forth for making polarizing glasses having high dichroic ratios by drawing relatively small silver-containing particles under relatively high stress and elongating such particles during the drawing process without rupturing the glass draw by coating the polarizing glass with a substa

A method is set forth for making polarizing glasses having high dichroic ratios by drawing relatively small silver-containing particles under relatively high stress and elongating such particles during the drawing process without rupturing the glass draw by coating the polarizing glass with a substantially low viscosity skin glass.

대표청구항 ▼

A method of making a polarizing glass including the steps of providing a core glass having silver-containing particles, cladding said core glass with a skin glass to form a laminated glass, said skin glass having a viscosity, when at the softening point temperature of the core glass, which is at lea

A method of making a polarizing glass including the steps of providing a core glass having silver-containing particles, cladding said core glass with a skin glass to form a laminated glass, said skin glass having a viscosity, when at the softening point temperature of the core glass, which is at least 50% less than that of the core glass, stretching the laminated glass at a temperature above the annealing point temperature of said core glass, at or above the softening point temperature of the skin glass, and at tensile stresses within the core glass exceeding 2000 psi, and elongating said silver-containing particles to an aspect ratio of at least 2:1 so as to provide a polarizing glass having a haze level suitably low for optical and ophthalmic applications.