Granted Patent B2

US 12,187,639 · App. 17/899,168 · Granted Jan 7, 2025

Inventors: Guangli Hu (Berkeley Heights, NJ); Charlene Marie Smith (Corning, NY); Zhongzhi Tang (Shenzhen, CN); Steven Alvin Tietje (Lindley, NY)

Assignee: Corning Incorporated

C03C21/002C03C3/091C03C3/093C03C3/097C03C10/00C03C10/0027C03C23/007

Abstract

Claims (18)

1. A glass article comprising:

SiO 2 in an amount from 55 mol % to 70 mol %;

Al 2 O 3 in an amount from 10 mol % to 30 mol %;

from 10 mol % to 20 mol % R 2 O, wherein R 2 O is Li 2 O+K 2 O+Na 2 O;

a non-zero amount of Li 2 O up to 15 mol %;

a non-zero amount of Na 2 O up to 14 mol %;

a non-zero amount of K 2 O up to 2 mol %;

P 2 O 5 in an amount from 0.1 mol % to 8 mol %;

from 0.1 mol % to 1.5 mol % of MgO+CaO+ZnO, wherein the amounts of MgO, ZnO, and CaO are non-zero; and

B 2 O 3 in an amount from 0 mol % to 4 mol %, wherein a ratio of Li 2 O to R 2 O is 0.5-1.0.

2. The glass article of claim 1 , comprising less from 60 mol % to 70 mol % SiO 2 .

3. The glass article of claim 1 , comprising less than 0.1001 mol % B 2 O 3 .

4. The glass article of claim 1 , comprising Fe 2 O 3 in an amount less than 1 mol %.

5. The glass article of claim 1 , comprising Fe 2 O 3 in an amount less than 0.1001 mol %.

6. The glass article of claim 1 , comprising TiO 2 in an amount less than 0.1001 mol %.

7. The glass article of claim 1 , further comprising ZrO 2 .

8. The glass article of claim 1 , comprising less than 1 mol % K 2 O.

9. The glass article of claim 1 , wherein the glass article has a transmittance greater than about 88% for wavelengths in the range from about 380 nm to about 780 nm.

Assignments (1)

Continuity (9)

References Cited (400)