Invention Grant
- Patent Title: Ion exchangeable glass with fast diffusion
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Application No.: US15381614Application Date: 2016-12-16
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Publication No.: US10550029B2Publication Date: 2020-02-04
- Inventor: Timothy Michael Gross , Xiaoju Guo
- Applicant: CORNING INCORPORATED
- Applicant Address: US NY Corning
- Assignee: CORNING INCORPORATED
- Current Assignee: CORNING INCORPORATED
- Current Assignee Address: US NY Corning
- Agent Kevin M. Johnson
- Main IPC: C03C3/097
- IPC: C03C3/097 ; C03C21/00 ; C03C4/18 ; H05K5/00 ; H05K5/02

Abstract:
Glasses that undergo rapid ion exchange. The glasses comprise SiO2, Al2O3, P2O5, Na2O, K2O, and, in some embodiments, at least one of MgO and ZnO. The glass may, for example, be ion exchanged in a molten KNO3 salt bath in less than 1 hour at temperatures in a range from about 370° C. to about 390° C. to achieve a depth of surface compressive layer of greater than about 45 microns, or in a range from about 0.05t to about 0.22t, where t is the thickness of the glass. The glasses are fusion formable and, in some embodiments, compatible with zircon.
Public/Granted literature
- US20170174557A1 ION EXCHANGEABLE GLASS WITH FAST DIFFUSION Public/Granted day:2017-06-22
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