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Nanosys Announces Issued Patent Covering Fundamental Nanowire Heterostructures


PALO ALTO, CA -- (MARKET WIRE) -- 05/05/2005 -- Nanosys announced today the issuance of U.S. Patent No. 6,882,051 (the '051 patent) entitled "Nanowires, nanostructures and devices fabricated therefrom," by the U.S. Patent and Trademark Office. This patent, exclusively licensed from the Regents of the University of California, covers fundamental compositions of matter and methods for creating novel nanowire heterostructures in which the composition changes longitudinally along a wire's length and/or coaxially about its width. This technology covers a broad variety of devices including Field Effect Transistors (FET), light emitting devices including Light Emitting Diodes (LEDs) and nanolasers, solar cells, thermoelectric devices, optical detectors, and chemical and biological sensors

Nanowire heterostructures are nanoscopic wires which have their composition controlled along their length and/or width to create junctions between materials of different composition. These junctions can be made atomically sharp and defect free, allowing for the production of high performance electronics integrated within each single nanostructure.

The following Scanning Electron Microscope (SEM) image is an example of heterostructure nanowires, a few nanometers in diameter, synthesized with alternating segments of Silicon and Silicon Germanium.

"The technology to integrate different materials at the nanoscale enables us to create nanostructures that perform as devices with multiple functions rather than just materials," said Calvin Chow, Nanosys' Chief Executive Officer. "This significantly increases the value of our nanostructures while simplifying their incorporation into products."

About Nanosys

Nanosys, Inc. is a leader in the development of nanotechnology-based products utilizing high performance inorganic nanostructures. Nanosys has built one of the broadest technology platforms in the industry with more than 350 patents and patent applications covering fundamental areas of nanotechnology, at multiple levels, from basic nanostructures to functional devices to end applications. Based in Palo Alto, Calif. and privately held, Nanosys collaborates with industry leaders including Sharp, Dupont, Intel, Matsushita Electric Works and SAIC to develop revolutionary high-value, high-performance products for computing, optoelectronics, communications, energy, defense and the life and physical sciences. Additional information on Nanosys can be found at www.nanosysinc.com

CONTACT: Peter Garcia Chief Financial Officer Nanosys, Inc. (650) 331-2154 pgarcia@nanosysinc.com SOURCE:  Nanosys Inc.


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