Copper termination inks containing lead free and cadmium free glasses for capacitors
US6982864B1 · kind B1 · utility
17Cited by
25References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2004 |
| Grant date | Jan 3, 2006 |
| Priority date | — |
| Expiry date | Jul 4, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C8/18
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Lead-free and cadmium-free glass composition that is particularly suitable for use in conductive ink applications. The invention includes a capacitor comprising a copper termination, the copper termination is made by firing an ink including a glass component, the glass component may comprise up to about 65 mole % ZnO, up to about 51 mole % SrO, about 0.1 to about 61 mole % B2O3, up to about 17 mole % Al2O3, about 0.1 to about 63 mole % Sio2, up to about 40 mole % BaO+CaO, and up to about 20 mole % MgO.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.