Method of making glass including surface treatment with...

Details Method of making glass including surface treatment with... Method of making glass including surface treatment with...

2011-04-12

2011-04-12

Meeks, Timothy H (Department: 1715)

Coating processes

Optical element produced

Transparent base

Reexamination Certificate

active

07923063

ABSTRACT:
This invention relates to a method of making glass. In certain example embodiments, a major surface(s) of the glass is treated with aluminum chloride (e.g., AlCl3). This treating, or application of an aluminum chloride based layer on the glass substrate, may be performed using combustion deposition. The combustion deposition may be performed at or just prior to the annealing lehr in certain example embodiments, or at any other suitable location. The aluminum chloride barrier layer, applied at a desirable glass temperature, helps to reduce sodium leaching or diffusion from the glass during conditions such as high heat and/or humidity, thereby improving the durability and/or stability of the resulting product.

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