Patent ID: 11945747
Assignee: CORNING INCORPORATED
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  H  G | IPC C

Claim 9:
10. A method for producing a glass article comprising:
(I) selecting, melting, and fining batch materials; and
(II) forming the glass article from the melted and fined batch materials;, wherein:
(a) the glass article is formed using a fusion draw process;
(b) the glass of the glass article comprises on an oxide basis from greater than or equal to 60 mol % to less than or equal to 74 mol % SiO2;
from greater than or equal to 7 mol % to less than or equal to 18 mol % Al2O3;
from greater than or equal to 3 mol % to less than or equal to 16 mol % B2O3;
from greater than or equal to 0 mol % to less than or equal to 5 mol % P2O5;
from greater than or equal to 0 mol % to less than or equal to 0.2 mol % SnO2;
from greater than 0 mol % to less than or equal to 6 mol % Na2O;
from greater than or equal to 0 mol % to less than 0.1 mol % K2O;
from at least 5 mol % to less than or equal to 11 mol % Li2O;
from greater than 0 mol % to less than or equal to 6.5 mol % of MgO; and
from greater than 0 mol % to less than or equal to 5 mol % of CaO; and
(c) the glass of the glass article has a liquidus viscosity that is less than or equal to 300 kP.