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US 2011/0015053 A1Published application
Lead-Free Low-Melting-Point Glass Composition Having Acid Resistance
AssigneeCentral Glass Company, Limited
InventorsJun Hamada, Koji Tominaga, Naoya Hayakawa
Life of this patent
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Abstract
A lead-free low-melting-point glass having an acid resistance, being substantially free of PbO and including 12 to 35 mass % of SiO2, 3 to 20 mass % of B2O3, 35 to 75 mass % of Bi2O3, and 0 to 8 mass % of at least one material selected from the group consisting of Li2O, Na2O and K2O is provided. A lead-free low-melting-point glass composition including a powder of the glass and a filler made of a ceramic powder is also provided.
Claims13
A lead-free low-melting-point glass having an acid resistance, comprising:
- 12 to 35 mass % of SiO2, 3 to 20 mass % of B2O3, 35 to 75 mass % of Bi2O3, and 0 to 8 mass % of at least one material selected from the group consisting of Li2O, Na2O and K2O.
Dependencies are inferred from the claim text.