Taiwan Semiconductor Manufacturing Co., Ltd. (TSMC) of Taiwan is unquestionably the leader in the foundry business, and by an ample margin. 2009 revenues reached about US$9 billion, and with about half of the market it is well ahead of the second-ranked firm. In 2010 the company announced its largest capital investment into equipment and facilities ever, clearly to pull even further ahead of the competition. We spoke with Shang-Yi Chiang, in charge of the company's R&D, about the technical strategy that supports this investment.