United Microelectronics Corporation is a global semiconductor foundry that provides technology and manufacturing for applications spanning various sectors of the integrated circuit (IC) industry. The Company operates through two segments: wafer fabrication and new business. The primary operating activity of the Company's wafer fabrication segment is the manufacture of chips to the design specifications of its customers by using its own processes and techniques. The Company's new business segment primarily includes researching, developing, manufacturing, and providing solar energy and new generation light-emitting diode (LED). The Company provides solutions, testing services, package solution development and product yield management services. The Company maintains a customer base across various industries, including communication, consumer electronics, computer, memory and others. The Company also provides design support services.