US 6,982,864 B1 | ||
Copper termination inks containing lead free and cadmium free glasses for capacitors | ||
Srinivasan Sridharan, Strongsville, Ohio (US); Umesh Kumar, Carlsbad, Ohio (US); and Chandrashekhar S. Khadilkar, Broadview Heights, Ohio (US) | ||
Assigned to Ferro Corporation, Cleveland, Ohio (US) | ||
Filed on Jun. 09, 2004, as Appl. No. 10/864,309. | ||
Int. Cl. H01G 4/06 (2006.01) |
U.S. Cl. 361—321.1 | 22 Claims |
1. A capacitor comprising a copper termination, said copper termination made by firing a lead-free and cadmium-free ink including
a glass component, said glass component comprising:
a. up to about 65 mole % ZnO;
b. about 0.1 to about 61 mole % B2O3;
c. about 0.1 to about 63 mole % SiO2; and
d. wherein the ratio of B2O3 to SiO2 is from about 0.7 to about 5.
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