Abstract
This thesis examines innovation capability accumulation in the integrated circuit (IC) substrate company. The research develops an innovation capability accumulation model that consists of product strategy 、technology strategy 、 organizational capability and technology sourcing. Via a case study of Unimicron Technology Corporation，the model illustrates innovation capability accumulation along with three product development and two dynamic period of time. It concludes that it co-evolves between innovation capability、product strategy 、technology strategy and sourcing strategy in order to sustain company’s competition advantage.