Nantero Inc., a Woburn nanotechnology company, announced the closing of an over $10 million Series D financing round.

The round was led by two new strategic corporate investors currently engaged in strategic development and partnerships with Nantero, the company said in a press release. The round also includes existing investors such as Charles River Ventures, Draper Fisher Jurvetson, Globespan Capital Partners, Stata Venture Partners, and Harris & Harris Group.