Touch-screen input device supplier MicroTouch Systems Inc of Methuen, Massachusetts, is to venture into the growing portable PC sector in an attempt to corner its market share of the information on demand culture. The company predicts the touch-screen technology market will grow from $500m to $2bn over the next five years, as mobile internet access becomes more common and users demand simpler interfaces. MicroTouch claims to lead the market for supplying large, durable touch-screens for use in business and public access (ATMs, EPOS etc), but sees the future in smaller, pen-operated screens for mobile professionals and consumers. It will ship TouchTek4, a 4-wire resistive touch-input technology later this year, to break into this market, which has so far been dominated by smaller operations such as Nissha, Gunze and Dynapro. At the same time it will seek to consolidate its share of the durable business/public-access market with the launch of ClearTek 3000, its flagship tough-screen product. The company intends to attract the mobile device OEMs that have so far eluded it with the help of an overhauled partners program to be launched as part of the strategy.