Black conductive thick film compositions, black electrodes,...

Details Black conductive thick film compositions, black electrodes,... Black conductive thick film compositions, black electrodes,...

2008-06-10

2008-06-10

Kopec, Mark (Department: 1796)

Compositions

Electrically conductive or emissive compositions

C252S518100, C252S519330, C428S432000

Reexamination Certificate

active

07384577

ABSTRACT:
The present invention provides a method for forming a black electrode by performing sintering at a temperature in the range of 500-600° C. after applying a lead-free black conductive composition to a substrate. The aforementioned black electrode comprises a binder comprising a crystallized glass component. The aforementioned black conductive composition comprises conductive particles of black RuO2, lead-free black ruthenium-based polyoxide, and mixtures thereof in an amount of 4-30 wt %, based on the total weight of the composition, a lead-free non-conductive black oxide in an amount of 0-30 wt %, based on the total weight of the composition, and a lead-free bismuth-based glass binder in an amount of 10-50 wt %, based on the total weight of the composition.

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