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DRC's Metrigraphics Announces Family of Micro-Induction Coils for Implanted and Traditional Medical Applications

-- New Advanced Coils Offer Design Flexibility and Transmission and

Induction Functionality -- Medical Design & Manufacturing East DRC's Metrigraphics Division Booth


NEW YORK, June 3 /PRNewswire-FirstCall/ -- Dynamics Research Corporation's Metrigraphics Division (Nasdaq: DRCO), a world-leading precision manufacturer specializing in the fabrication of customized micro-components and micro-circuits, announced today a new family of micro-induction coils designed for use in implanted medical applications and traditional biomedical devices. The micro-induction coils are equipped with radio frequency signal transmission and signal and power induction capabilities, thereby eliminating the potential harmful effects to the human body posed by battery-operated implantable medical devices.

"We are committed to delivering quality, reliability and innovation with every product we make whether it's for the medical device, telecommunications, semiconductor or biotech industry," said Randy Sablich, Vice President and General Manager of DRC's Metrigraphics Division. "DRC's Metrigraphics Division recognizes the difference that our precision micro-components make for our customers and we are honored to be working with many of the innovators making medical breakthroughs."

With over 160 coil variations prototyped, Metrigraphics offers customers the flexibility in process technology, substrate material, size, induction and tolerance ranges and functionality to meet the most rigorous technical specifications not fully addressed by other manufacturers. The new micro-induction coils are applicable for a variety of medical applications including miniature loop antennas for both active and passive implanted devices, biomedical microelectromechanical systems (BioMEMS) sensor units and neuro-stimulation devices.

Metrigraphics' new family of coils is classified by two groups -- single- and multiple-layer forms. Single layer multiple-turn electroformed coils are available in a variety of sizes, both in round and square configurations for ease of fit into specific applications. Multi-layer coils offer greater field density for more high-end applications. Based on Metrigraphics unmatched precision manufacturing technology, the new coils provide the following advantages over traditional offerings:

* The materials will not react with body fluids, thereby reducing any

potentially harmful effects.

* The production process yields high volumes of coils per sheet produced.

* The induction coils permit passive devices, with power being obtained

through induction only when required. This feature eliminates the need

for internal batteries.

* The elimination of control and power wires being passed through the


The new micro-induction coils are also available in a variety of substrates. The coils are produced using electroformed nickel cobalt over-plated with pure gold, or with hard gold depending on the application. Coils can also be produced using copper. The process starts with a photolithographic image of the desired shape in photo resist, and then either electroplated for a thicker coil material, or sputtered for extremely fine coils. Individual traces can be fabricated as small as three microns, but more typically in the five- to ten-micron range, with metal thicknesses equal to the trace width. Aspect ratios of 2.5 to 1 are also being fabricated and higher ratios are possible. Current samples have been fabricated on glass for ease of handling, but other substrates are possible and include silicon, alumina, cast polyimide and other sheet materials for flexible coils.

Metrigraphics' coils are available in sample form, and can be custom fabricated to each client's unique requirements. Demo samples will be on display at the Metrigraphics booth #2078 at MD&M East 2008. For information contact:, or visit us on the web at:

About Dynamics Research Corporation

Dynamics Research Corporation (DRC) is a leading provider of mission-critical technology management services and solutions for government programs. DRC offers forward-thinking solutions backed by a history of excellence and customer satisfaction. Founded in 1955, DRC is a publicly held corporation (Nasdaq: DRCO) and maintains more than 25 offices nationwide with major offices in Andover, Massachusetts; Reston, Virginia; and Fairborn, Ohio. For more information please visit our website at

Safe harbor statements under the Private Securities Litigation Reform Act of 1995: Some statements contained or implied in this news release, may be considered forward-looking statements, which by their nature are uncertain. Consequently, actual results could materially differ. For more detailed information concerning how risks and uncertainties could affect the company's financial results, please refer to DRC's most recent filings with the SEC. The company assumes no obligation to update any forward-looking information.

CONTACTS: Investors: Dave Keleher Media: Marisa Hagerman,

SVP and Chief Sage Communications

Financial Officer (for DRC)

978.289.1615 703.584.5637

SOURCE Dynamics Research Corporation
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All rights reserved

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