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DuPont Microcircuit Materials has introduced DuPont Solamet PV51M photovoltaic metallization paste, a new tabbing material used in solar cell manufacturing.

This new formulation enables cell makers to use up to 15% less material, thus enabling manufacturers to reduce their dependence on silver metals and offset some of the impact that rising silver prices have on the cost of producing solar cells and modules, according to DuPont.

The paste allows an excellent printability window and is co-firable with current Solamet frontside silver pastes, including Solamet PV16X and the newest Solamet PV17A, the company says. The strong adhesion window of Solamet PV51M tabbing conductor enables the customer to reduce laydown and reduce the tab footprint, without compromising performance in the end module, DuPont adds.

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