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3M Touch Systems Announces Shipment of Dispersive Signal Technology Product

Sep 8, 2005 8:00 AM

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The MicroTouch DST 40in. NEC touchscreen is the first in a series of touchscreen displays to be released by 3M.

3M Touch Systems announced the availability of its break-through touch screen technology—Dispersive Signal Technology (DST). U.S.-based Richardson Electronics’ Pixelink division will offer an integrated NEC MultiSync LCD 4010 40in. TFT touch screen monitor solution incorporating the 3M MicroTouch DST touch screen and controller. This preliminary release touch monitor solution is available for sale and shipment from Pixelink Corporation.

The 40in. MicroTouch DST touchscreen is the first in a planned product range of large format (over 30in.) touchscreens. Key application segments for this technology include conference rooms, education, financial exchange, retail signage and billboard, transportation, and other varied indoor venues such as casino hospitality, trade shows, clubs, and restaurants.

Market projections from iSuppli—a leading source of display market data—estimate the total non-consumer, large-screen LCD and plasma display market will grow to $4.79 billion by 2009, with the markets listed above comprising $ 4.66 billion of the total. 3M will compete for the touch-interactive portion of the above listed application segments.

“Dispersive Signal Technology is a unique touch technology due to its feature set and scalability to fit large display sizes,” says Larry Loerch, business manager for 3M Touch Systems. “We look forward to leveraging key integrator, ISV, and display manufacturer relationships to capture a portion of the burgeoning demand for large-format, interactive displays.”

Dispersive Signal Technology represents a fundamentally different approach to touch. Unlike other solutions that recognize touch by the interruption of electrical fields, acoustic waves, optical fields, or infrared light, Dispersive Signal Technology recognizes touch by interpreting bending waves created in the overlay substrate via the impact of a touch. This approach helps eliminate performance issues associated with onscreen contaminants and surface scratches, while offering enhanced palm rejection.

“As it is our responsibility to provide the highest level of service to our customers and ensure that systems operate at maximum performance levels, we were honored that 3M chose the expertise of Richardson Electronics’ Pixelink Division for an advanced display solution application,” states John Bowab, general manager of Richardson’s Pixelink Division. “This particular application showcases our ability to customize a display solution to meet the unique needs of a customer.”

For more information on Dispersive Signal Technology and other 3M products, visit or

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