DuPont Sues German Solar Paste Maker for Infringing Patents

Source: DuPont. DuPont says it has filed suit against Heraeus Materials Technology (Hanau, Germany), alleging the solar cell paste maker infringed on its patents covering front-side silver metallization paste materials. DuPont produces metallization pastes under the trade name Solamet for both polysilicon and thin film solar cells. Metallization pastes are applied as a grid on solar panels to collect and transport electricity produced in the cell. DuPont recently acquired Innovalight (Sunnyvale, CA), a provider of silicon inks and selective emitter process...

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