Lead-free glass and sealing material
AssigneeCentral Glass Company, Limited
InventorsMasamichi Yanagisawa, Jun Hamada
Life of this patent
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Abstract
What is disclosed is a lead-free glass, which is a V2O5—TeO2—RO (at least one selected from the group consisting of MgO, CaO, SrO, and BaO)—ZnO glass and has a low softening point, comprising: 5-55 wt % of V2O5, 5-75 wt % of TeO2, 1-25 wt % of RO (at least one selected from the group consisting of MgO, CaO, SrO, and BaO) in total, 0.1-6 wt % of ZnO, and 0.1-3 wt % of R2O (at least one selected from the group consisting of Li2O, Na2O, and K2O) in total. This glass can be used as a sealing material providing fluidity which is capable of being sealed at a temperature of 400° C. or less.
Claims5
A lead-free glass, which is a V2O5—TeO2—RO (at least one selected from the group consisting of MgO, CaO, SrO, and BaO)—ZnO glass and has a low softening point, comprising:
- 5-55 wt % of V2O5,
- 5-75 wt % of TeO2,
- 1-25 wt % of RO (at least one selected from the group consisting of MgO, CaO, SrO, and BaO) in total,
- 0.1-6 wt % of ZnO, and
- 0.1-3 wt % of R2O (at least one selected from the group consisting of Li2O, Na2O, and K2O) in total.
Dependencies are inferred from the claim text.