UMC CEO Yen Po-wen said at an investors conference on Wednesday that his company has lagged behind schedule in ramping up production of 28nm technology. Yen noted the proportion of revenue of 28nm technology is likely to be less than 3 percent of UMC's total revenue by the end of 2013.
Among markets, 45% of fourth-quarter revenues came from Asia and North America each, 9% from Europe and 1% from Japan. In terms of IC applications, communication accounted for 50% of the revenues, followed by consumer electronics with 29%, PC with 18% and other applications with 3%. Among different processes, 40nm accounted for 15% of the revenues, 65nm for 40%, 90nm for 7%, 0.11/0.13-micron for 15%, 0.15/0.18-micron for 10%, 0.25/0.35-micron for 10%, 0.5-micron and above for 3%. 90% of the revenues came from fabless IC design houses and 10% from IDMs.
Total quarterly foundry capacity increased to 1.401 million 8-inch wafers in equivalent in the fourth quarter of 2012 and is expected to be further expanded to 1.461 million wafers in the first quarter of 2013.