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US 2026/0209109 A1Published application
Glass-ceramics with high elastic modulus and hardness
AssigneeCorning Incorporated
InventorAlexandra Lai Ching Kao Andrews Mitchell
Life of this patent
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Abstract
A composition includes 30 mol % to 60 mol % SiO2; 15 mol % to 40 mol % Al2O3; 5 mol % to 25 mol % Y2O3; 5 mol % to 15 mol % TiO2; and 0.1 mol % to 15 mol % RO, such that RO is a sum of MgO, CaO, SrO, and BaO.
Claims20
A glass or glass-ceramic composition, on an oxide basis comprising:
- 30 mol % to 60 mol % SiO2;
- 15 mol % to 40 mol % Al2O3;
- 10 mol % to 25 mol % Y2O3;
- 10 mol % to 15 mol % TiO2;
- and
- 0.1 mol % to 15 mol % RO,
- wherein RO is a sum of MgO, CaO, SrO, and BaO.
4 more elements
A glass or glass-ceramic composition, on an oxide basis comprising:
- 30 mol % to 60 mol % SiO2;
- 15 mol % to 40 mol % Al2O3;
- 10 mol % to 25 mol % Y2O3;
- 10 mol % to 15 mol % TiO2;
- and
- >0 mol % to 10 mol % MgO.
3 more elements
A glass or glass-ceramic composition, on an oxide basis comprising:
- 30 mol % to 60 mol % SiO2;
- 15 mol % to 40 mol % Al2O3;
- 10 mol % to 25 mol % Y2O3;
- 10 mol % to 15 mol % TiO2;
- and
- >0 mol % to 10 mol % CaO.
3 more elements
Dependencies are inferred from the claim text.