Amkor Technology, Inc. is a publicly traded company providing contract semiconductor assembly and test services. Assembly and testing are two of the three steps required to produce a finished integrated circuit ready for use in a host of electronic applications. After transistors and electronic circuitry are deposited onto a silicon wafer, the wafer is assembled, or "packaged," by being cut into separate integrated circuits, which are connected electrically to a system board through a protective housing. The packaged integrated circuit is then subjected to testing to verify function, current, timing, and voltage. In addition, Amkor offers value-added services such as electrical package characterization and thermal package characterization, which help designers to learn how a device will perform in a finished package. The company also can help in the design of a package and provide other services, including die processing, package signal integrity analysis, failure analysis, and qualification testing. Amkor serves major global customers such as Agilent, Intel, Philips, Sony, and Toshiba. Amkor maintains its corporate headquarters in West Chester, Pennsylvania, where its founder and chairman, James J. Kim, lives, but most of the company's U.S. operations are located in Arizona, and manufacturing is conducted overseas in seven Asia-Pacific countries.
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