Patent ID: 11912605
Assignee: CORNING INCORPORATED
Field: Other special machines (Mechanical engineering)
Classification: CPC C | IPC B  C

Claim 0:
1. A glass article, comprising:
an unpolished glass ribbon having a thickness from about 1 mm to about 25 mm and a width of 25 mm to about 200 mm,
wherein the unpolished glass ribbon comprises a composition selected from the group consisting of borosilicate glasses, aluminoborosilicate glasses, aluminosilicate glasses, fluorosilicate glasses, phosphosilicate glasses, fluorophosphate glasses, sulfophosphate glasses, germanate glasses, vanadate glasses, phosphate glasses and borate glasses, wherein the composition further comprises an upper liquidus viscosity of less than 10 Poise,
wherein the unpolished glass ribbon has a thickness variation from about 0.01 μm to about 50 μm and a warp from about 0.01 μm to about 10 μm, and
further wherein the unpolished glass ribbon is capable of being sectioned into unpolished glass wafers having a thickness variation from about 0.01 μm to about 50 μm and a warp from about 0.01 μm to about 10 μm.