公开(公告)号：US20220380253A1

公开(公告)日：2022-12-01

申请号：US17748381

申请日：2022-05-19

Applicant: CORNING INCORPORATED

Inventor： Timothy Evan Dimond ,  Christopher William Drewnowski ,  Charles Thomas McLaren ,  Mardochee Reveil ,  Nicholas James Smith ,  Nicholas Ryan Wheeler ,  Thomas Michael Zajicek

IPC: C03C23/00 ,  C03C3/087

Abstract: A glass substrate according to one or more embodiments is disclosed. The glass substrate includes an alkali-containing bulk, at least one first alkali-depleted region, and at least one second alkali-depleted region. The alkali-containing bulk has a first surface and a second surfaces with the first and second surfaces opposing one another. The at least one first alkali-depleted region extends into the alkali-containing bulk from the first surface. The at least one second alkali-depleted region extends into the alkali-containing bulk from the second surface. The first alkali-depleted region and the second alkali-depleted region are amorphous and have a substantially homogenous composition. The first alkali-depleted region in some embodiments is a first alkali-depleted surface layer that extends across the alkali-containing bulk. The first alkali-depleted region in some embodiments is plurality of first alkali-depleted regions that are spaced apart from one another.