Systems for high-speed, high-accuracy testing of various types of PCBs, including single-sided, double-sided and multilayer boards Testers installed in test systems that meet a wide range of needs with numerous option settings Systems for detecting opens and shorts in semiconductor packages and high-density built-up boards Systems for performing functional testing, trimming and automatic adjustment of printed circuit boards and ceramic boards mounted with components Systems for testing the appearance of PCBs and semiconductor packages via image processing using state-of-the-art technology Systems for testing a wide variety of display types, such as LCD, PDP and organic EL displays A variety of test systems for meeting a wide range of user needs, through the development of proprietary testing technology