the glass substrate has a retardance of less than or equal to 5 nm over an area of at least 170 in2, and a 4 point bend strength of {TAIL ~ greater than 150 MPa}, wherein the substrate is substantially free of {HEAD ~ retardance induced visual defects} 
the glass substrate has a retardance of less than or equal to 5 nm over an area of at least 170 in2 , and a 4 point bend strength of { TAIL ~ greater than 150 MPa } , wherein the substrate is substantially free of { HEAD ~ retardance induced visual defects }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD