The cover assembly 1, wherein the aluminosilicate glass substrate has a liquidus viscosity of greater than 130,000 poise at {HEAD ~ temperatures} below {TAIL ~ 1275° C} 
The cover assembly 1 , wherein the aluminosilicate glass substrate has a liquidus viscosity of greater than 130,000 poise at { HEAD ~ temperatures } below { TAIL ~ 1275 ° C }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL