C03C21/005

Broadband polarizer made using ion exchangable fusion drawn glass sheets

The disclosure is directed to broadband, glass optical polarizers and to methods for making the glass optical polarizers. The glass optical polarizer includes a substantially bubble free fusion drawn glass having two pristine glass surfaces and a plurality of elongated zero valent metallic particle polarizing layers.

Dissolvable sealant for masking glass in high temperature ion exchange baths

A method of masking glass in an ion exchange bath includes applying a dissolvable sealant to a cover material, adhering the cover material to a glass part to form a mask on the glass part, immersing the glass part into an ion exchange bath. removing the glass part from the ion exchange bath, and using a solvent to dissolve the sealant and the cover material from the glass part. A mask on glass having a piece of glass, and a dissolvable sealant on a cover material, the dissolvable sealant comprising an inorganic material and a silicate, the dissolvable sealant between the cover material and the piece of glass.

ENHANCED ION EXCHANGE METHODS
20200102244 · 2020-04-02 ·

Methods of enhanced ion exchange (IOX) include exposing a substrate to a bath mixture that includes a second salt dissolved in a first salt, the second salt includes the same metal ion as the first salt with an anion different from the first salt. The first salts are conventional nitrate salts into which one or more second salts, for example, carbonate, sulfate, chloride, fluorine, borate, or phosphate salts are dissolved. The second salts remain at or below their solubility limits in the first salts. Any poisoning ions remain at or below their solubility limits in the bath mixture. Glass-based articles made therefrom and electronic devices incorporating the glass-based articles are also disclosed.

Thin glass article with a non-uniformly ion-exchanged surface layer and method for producing such a thin glass article

A thin glass article is provided that has a first face, a second face, one or more edges joining the first and second faces, and a thickness between the first and second faces, where the faces and the one or more edges together form an outer surface of the thin glass article. The thin glass article has an ion-exchanged surface layer on its outer surface. The ion-exchanged surface layer is non-uniform, wherein the non-uniform ion-exchanged surface layer has an associated compressive surface stress which varies between a minimum and a maximum value over the outer surface and/or a depth of layer which varies between a minimum and a maximum value over the outer surface. A method for producing a thin glass article and a use of a thin glass article are also provided.

LOW TEMPERATURE CHEMICAL STRENGTHENING PROCESS FOR GLASS
20200062642 · 2020-02-27 ·

A method of chemically strengthening a glass. The method includes heating an ion exchange solution to a temperature less than about 360 C., and contacting the glass and the strengthening solution at the temperature for a duration from about 0.5 hours to about 24 hours. The ion exchange solution includes a primary nitrate and at least one monovalent or divalent cation nitrate component in an amount from about 1 wt. % to about 10 wt. %.

METHOD OF ELECTROSTATIC CHARGE REDUCTION OF GLASS BY SURFACE CHEMICAL TREATMENT

Disclosed devices include a liquid crystal layer and a cover glass comprising at least one major surface having a depleted or enriched surface layer. Methods for reducing mura in a touch-display device are also disclosed.

METHOD FOR ACHIEVING A STRESS PROFILE IN A GLASS
20200031711 · 2020-01-30 ·

A method for generating various stress profiles for chemically strengthened glass. An alkali aluminosilicate glass is brought into contact with an ion exchange media such as, for example, a molten salt bath containing an alkali metal cation that is larger than an alkali metal cation in the glass. The ion exchange is carried out at temperatures greater than about 420 C. and at least about 30 C. below the anneal point of the glass.

ANTIMICROBIAL STRENGTHENED GLASS AND PREPARATION PROCESS THEREOF
20200010357 · 2020-01-09 · ·

An antimicrobial strengthened glass and a preparation process thereof. The antimicrobial strengthened glass made from components including 30-50 parts of silicon dioxide, 10-20 parts of epoxy resin, 10-20 parts of titanium dioxide, 5-15 parts of nano bismuth oxide, 8-12 parts of boron oxide, 4-8 parts of chlorinated polyethylene, 2-6 parts of aluminum oxide, 1-3 parts of sodium oxide, 1-3 parts of manganese dioxide, 5-15 parts of graphite powder, 1-3 parts of barium sulfate, 2-4 parts of calcium hexaluminate, 1-3 parts of sodium fluorosilicate, 2-4 parts of borax decahydrate, 3-5 parts of sodium oxalate, 1-2 parts of sodium phosphate, 1-3 parts of sodium carbonate, 1-3 parts of potassium persulfate, 1-2 parts of potassium carbonate, 1-5 parts of ethylenediamine tetraacetic acid disodium, 1-5 parts of acrylamide, 0.01-1 part of silver nitrate and 0.01-1 parts of zinc sulfate.

GLASS-BASED ARTICLES WITH IMPROVED STRESS PROFILES
20200002225 · 2020-01-02 ·

Glass-based articles are manufactured by a unique ion exchange process that results in glass-based articles having improved stress profiles with higher stress values at moderate depths. A medium of the ion exchange process includes ions of two or more alkali metals of two or more alkali metal oxides in a base composition of a glass-based substrate in a ratio such that ions of each alkali metal are in chemical equilibrium with each of the respective alkali metals of the alkali metal oxides in the base glass composition.

GLASS SUBSTRATE PROCESSING METHODS
20190382307 · 2019-12-19 ·

Described is a method of processing an antimicrobial glass substrate. More particularly, described is a method of removing one or more of silver nitrate or silver oxide on the surface of an antimicrobial glass substrate. Also described is a method of manufacturing a glass substrate that is substantially free of yellow discoloration.