| Teradyne, Inc. is a supplier of automatic test equipment. The Company designs, develops, manufactures and sells automatic test systems and solutions used to test semiconductors, wireless products, hard disk drives and circuit boards in the consumer electronics, wireless, automotive, industrial, computing, communications and aerospace and defense industries. The Company's automatic test equipment products and services include semiconductor test (Semiconductor Test) systems; wireless test (Wireless Test) systems, and military/aerospace (Mil/Aero) test instrumentation and systems, storage test (Storage Test) systems, and circuit-board test and inspection (Commercial Board Test) systems (Systems Test Group). In April 2013, Giga-tronics Inc completed the sale of its product line known as SCPM to Teradyne, Inc. |