Perforate glass structures and method of making the same

Photochromic gradient lenses

Plasma treatment of glass surfaces to remove carbon

Potassium ion-exchange on surface of beta-spodumene

Preparation of photochromic gradient lenses

Preparation of photochromic gradient lenses

Press molding optical articles from acid hydrated glasses

Process and devices for hardening of glassware by ion exchange

Process and plant for processing interleaved glass

Process for dewatering porous glass

Process for dewatering porous glass

Process for increasing the strength of sealing glass

Process for ion exchange on glass or glass ceramic

Process for making colored photosensitive glass

Process for making gradient photochromic glass articles

Process for manufacturing optical member for excimer laser

Process for producing a glass article protected from coloring by

Process for producing a gradient photochromic ophthalmic lens

Process for producing a planar optical waveguide

Process for producing buried wave guide device