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Home > Press > Arrowhead Subsidiary Collaborates with Kyma Technologies to Reduce the Cost of Blue Lasers and Blue LEDs

Abstract:
Arrowhead Research Corporation (Nasdaq:ARWR) announced today that its majority-owned subsidiary, Aonex Technologies, Inc., has entered into a collaborative agreement with Kyma Technologies, Inc., a producer and marketer of semiconductor products, to develop materials to reduce the cost of gallium nitride (GaN)-based devices such as blue laser diodes and blue light emitting diodes (LEDs).

Arrowhead Subsidiary Collaborates with Kyma Technologies to Reduce the Cost of Blue Lasers and Blue LEDs

PASADENA, CA | Posted on February 26th, 2007

Blue laser diodes are an enabling technology for HD-DVD™ and Blu-Ray™ DVD players. Manufacturing these devices in high volume has proven challenging and has led to delays in such highly anticipated products as the Sony PlayStation 3™. Blue LEDs are used as light sources for a wide variety of applications, including back lights for cell phones, and are expected to one day replace conventional incandescent and fluorescent light sources because of their higher efficiencies and longer lifetimes.

"We are very excited that Aonex will work with Kyma to reduce the costs of this promising class of materials," said R. Bruce Stewart, Arrowhead's Chairman. "Blue LEDs, for instance, are a key enabling technology for solid state lighting, which has the potential to substantially reduce electricity consumption and lower carbon emissions."

Dr. Keith Evans, Kyma's president and CEO, added, "We are delighted to work with the Aonex team. The combined attributes of Aonex's A-SapphTM substrate technology and Kyma's proprietary high growth rate, low defect density GaN crystal growth technology have great potential to reduce the costs of a broad range of high performance nitride semiconductor devices."

Under the terms of the agreement, Aonex will provide Kyma with access to its proprietary wafer technology, A-Sapph™. Kyma will work to leverage the superior properties of A-SapphTM to produce large-area wafers suitable for the manufacture of GaN devices. Such large-area wafers could dramatically reduce the cost of GaN devices by enabling an increase in the number of chips per wafer while also substantially improving yields.

This agreement is part of Aonex's program to sample its substrates to select device and wafer manufacturers.

####

About Arrowhead Research Corporation
Arrowhead Research Corporation ( http://www.arrowheadresearch.com ) (Nasdaq:ARWR) is a publicly-traded nanotechnology company commercializing new technologies in the areas of life sciences, electronics and energy. Arrowhead is building value for shareholders through the progress of majority-owned subsidiaries founded on nanotechnologies originally developed at universities. The company works closely with universities to source early stage deals and to generate rights to intellectual property covering promising new nanotechnologies. Currently, Arrowhead has four subsidiaries commercializing nanotech products and applications, including anti-cancer drugs, RNAi therapeutics, carbon-based electronics and compound semiconductor materials.

About Aonex Technologies

Aonex Technologies, Inc. is a developer of proprietary substrates that reduce the production cost of devices such as blue LEDs and high-efficiency solar cells. The Company is based in Pasadena, Calif.

A-Sapph™ substrates are comprised of an ultra-thin layer of single crystal sapphire (< 500 nm) that is bonded to a polycrystalline aluminum nitride support substrate. The resulting substrate has a coefficient of thermal expansion (CTE) that is nearly identical to GaN yet offers an industry standard sapphire growth surface (both c- and r-plane) suitable for MOCVD and HVPE growth environments. A-Sapph™ substrates also offer substantially higher thermal conductivity than bulk sapphire, resulting in significantly improved growth uniformity. Taken together, these improved thermal characteristics could enable the scaling of GaN production to larger wafer diameters and corresponding lower costs. Aonex has also designed A-Sapph substrates to enable vertical LED fabrication without laser lift-off.

In addition to A-Sapph™, Aonex also offers A-GaN™ substrates which are comprised of ultra-thin layers of single crystal gallium nitride (GaN) that are bonded to a polycrystalline aluminum nitride support wafer. A-GaN™ substrates offer a lower-cost alternative to bulk GaN wafers for devices such as laser diodes (LDs) and LEDs.

About Kyma Technologies

Kyma Technologies, Inc. (Kyma) was spun out of North Carolina State University in 1998 to pursue the development of gallium nitride (GaN) substrate materials for a broad range of high-performance nitride semiconductor device applications. Most current nitride semiconductor devices are fabricated from foreign substrates such as sapphire and silicon carbide, and GaN substrates have the potential to enable important improvements in device performance, reliability and cost.

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995:

This news release contains forward-looking statements within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995. These statements are based upon our current expectations and speak only as of the date hereof. Our actual results may differ materially and adversely from those expressed in any forward-looking statements as a result of various factors and uncertainties, including the recent economic slowdown affecting technology companies, the future success of our scientific studies, our ability to successfully develop products, rapid technological change in our markets, changes in demand for our future products, legislative, regulatory and competitive developments and general economic conditions. Our latest Annual Report on Form 10-K, recent and forthcoming Quarterly Reports on Form 10-Q, recent Current Reports on Forms 8-K, our Registration Statements on Form S-3, and other SEC filings discuss some of the important risk factors that may affect our business, results of operations and financial condition. We undertake no obligation to revise or update publicly any forward-looking statements for any reason.

For more information, please click here

Contacts:
Arrowhead Research Corporation
Virginia E. Dadey
212-541-3707

or
Aonex Technologies, Inc.
James Zahler, Ph.D.
626-583-9101

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