Why First Solar is buying a silicon solar cell startup no one's heard of

First Solar is buying an under-the-radar startup called TetraSun to add expertise around silicon solar cell manufacturing to its technology portfolio, which until now has focused on using the material cadmium telluride to make solar cells. The Arizona-based thin film solar giant announced the pending acquisition on Tuesday during its analyst day - its first since 2009 - in which it laid out a persuasive technology and business development plan fo ...

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http://gigaom.com/2013/04/09/why-first-solar-is-buying-a-silicon-solar