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US 8,262,944 B2Granted
Glass compositions used in conductors for photovoltaic cells
AssigneeE. I. Du Pont de Nemours and Company
InventorsAlan Frederick Carroll, Kenneth Warren Hang, Brian J. Laughlin, Zhigang Rick Li, Hisashi Matsuno, Yueli Wang
Life of this patent
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Abstract
The invention relates to zinc-containing glass compositions useful in conductive pastes for silicon semiconductor devices and photovoltaic cells.
Claims16
A composition comprising:
- (a) electrically conductive material;
- (b) glass frit, wherein the glass frit comprises SiO2, Al2O3, PbO, ZrO2, PbF2, ZnO, and P2O5;
- and
- (c) organic medium.
1 more element
A composition comprising:
- (a) electrically conductive material;
- (b) glass frit, wherein the glass frit comprises SiO2, Al2O3, PbO, ZrO2, PbF2, 27-45 wt % ZnO, and 0.5-3 wt % P2O5;
- and
- (c) organic medium.
1 more element
Dependencies are inferred from the claim text.