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ADVANTEST CORPORATION is a Japan-based company mainly engaged in the manufacture and sale of test system products and mechatronics-related products, such as test handlers and device interfaces, as well as related research and development, maintenance, and service activities. It operates through two segments. The Test System business segment provides products including system on chip (SoC) test systems for SoC semiconductor devices, memory test systems for memory semiconductor devices, test handlers (mechatronics-based products for handling semiconductor devices), and device interfaces (which serve as the interface with the device under test), as well as solutions for system-level testing of semiconductors and modules. The Service and Other segment is engaged in providing comprehensive customer solutions related to the above businesses, as well as offering nanotechnology-related product lines, support services, and the sale of consumables.