UniPixel, Inc. has entered into a long-term agreement with a major US-based PC maker to supply XTouch touch screen sensors on a multiple year basis.   The agreement provides that the PC maker will supply rolling forecasts to UniPixel, who will use its reasonable efforts to reserve manufacturing capacity for the PC maker who, in turn, agrees to use its best commercial efforts to make the purchases outlined in the rolling forecasts. The customer also has a right to request limited, exclusive ear...