Low melting point glass and glass ceramic composition
AssigneeAsahi Glass Company, Limited
InventorsHiroshi Usui, Yasuko Dotani, Ryuichi Tanabe, Tsuneo Manabe
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Abstract
A low melting point glass consisting essentially of, as represented by mol % based on the following oxides: Mol % SnO 2 to 37.5, ZnO 5 to 73, P2O5 16 to 50, Li2O 0 to 9, Na2O 0 to 9, K2O 0 to 9, Al2O3 0 to 20, B2O3 0 to 30, SiO2 0 to 20, MgO 0 to 35, CaO 0 to 35, SrO 0 to 35, BaO 0 to 35, In2O3 0 to 10, WO3 0 to 10, wherein SnO+ZnO+P2O5+B2O3 is at least 76 mol %, Li2O+Na2O+K2O is from 0 to 9 mol %, MgO+CaO+SrO+BaO is from 0 to 35 mol %, and the molar ratio of SnO to ZnO is less than 1.
Claims24
A low melting point glass consisting essentially of, as represented by mol % based on the following oxides:
- Mol % SnO 2 to 37.5, ZnO 5 to 73, P2O5 16 to 37, Li2O 0 to 9, Na2O 0 to 9, K2O 0 to 9, Al2O3 0 to 20, B2O3 0 to 30, SiO2 0 to 20, MgO 0 to 35, CaO 0 to 35, SrO 0 to 35, BaO 0 to 35, In2O3 0 to 10, WO3 0 to 10,
- wherein SnO+ZnO+P2O5+B2O3 is at least 76 mol %, Li2O+Na2O+K2O is from 0 to 9 mol %, MgO+CaO+SrO+BaO is from 0 to 35 mol %, and the molar ratio of SnO to ZnO is less than 1.
A low melting point glass consisting essentially of, as represented by mol % based on the following oxides:
- Mol % SnO 2 to 37.5, ZnO 32 to 73, P2O5 25 to 37, Li2O 0 to 9, Na2O 0 to 9, K2O 0 to 9, Al2O3 0 to 20, B2O3 0 to 30, SiO2 0 to 20, MgO 0 to 30, CaO 0 to 30, SrO 0 to 30, BaO 0 to 30,
- wherein Li2O+Na2O+K2O is from 0 to 9 mol %, MgO+CaO+SrO+BaO is from 0 to 30 mol %, and the molar ratio of SnO to ZnO is less than 1.
A low melting point glass consisting essentially of, as represented by mol % based on the following oxides:
- Mol % SnO 2 to 35, ZnO 5 to 45, P2O5 16 to 37, Li2O 0 to 3, Na2O 0 to 3, K2O 0 to 3, Al2O3 0 to 10, B2O3 0 to 30, MgO 0 to 35, CaO 0 to 35, SrO 0 to 35, BaO 0 to 35, In2O3 0 to 10, WO3 0 to 10,
- wherein Li2O+Na2O+K2O is from 0 to 3 mol %, MgO+CaO+SrO+BaO is from 0 to 35 mol %, Al2O3+In2O3+WO3 is from 0 to 3 mol % and the molar ratio of SnO to ZnO is less than 1.
Dependencies are inferred from the claim text.