{HEAD ~ Glass} and glass are blended at {TAIL ~ a weight ratio} of 10:90 to 90:10 in such a manner that the weight average CTE of the blended glasses is equal to or approximately equal to the CTE of the substrate 
{ HEAD ~ Glass } and glass are blended at { TAIL ~ a weight ratio } of 10:90 to 90:10 in such a manner that the weight average CTE of the blended glasses is equal to or approximately equal to the CTE of the substrate
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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