Interlink Electronics designs electronic signature capture devices and specialty interface products. The company's signature capture products include its ePad line of hardware devices and IntegriSign software. Its sensor interface components enable menu navigation, cursor control, and character input in devices such as computer mice and mobile phones. Interlink's patented force-sensing technology enables smaller, more touch-sensitive input devices. The company also provides design and integration services. Special Situations Technology Fund owns about 40% of the company.