Patent ID: 7207193

Claim:
A method of fabricating a glass sheet comprising: drawing molten glass from a root of a glass fabricating apparatus to form a glass sheet, wherein a temperature of the glass sheet during the drawing traverses a glass transition temperature range; cooling the glass sheet at a first cooling rate between about 6° C./in and 15° C./in while the temperature of the glass sheet is greater than the glass transition temperature range, of the sheet; cooling the glass sheet at a second rate between about 4° C./in and 10° C./in while the temperature of the glass sheet is within the glass transition temperature range of the sheet; and cooling the glass sheet at a second cooling rate between about 2° C./in and 5° C./in after the second cooling rate and the temperature of the glass sheet is within the glass transition temperature range of the sheet, wherein said cooling rates are defined as the change in temperature per inch traveled by the glass sheet during the draw.