He thinks he's overcome the battery problem with one developed by Reno's Altair Nano-technologies.

FORBES: Magazine Article

Another kind of sensor technology, the nano bar code, is being developed by Nanoplex Technologies in California.

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Other competitors in the technology sector include: Rudolph Technologies (RTEC), Nanometrics Incorporated (NANO), and Nova Measuring Instruments (NVMI).

FORBES: Earnings Preview: KLA-Tencor