Onto Innovation Inc. is a global leader in designing, manufacturing, and supporting cutting-edge process control solutions. The company's diverse portfolio encompasses tools for macro defect inspection, 2D/3D optical metrology, and lithography systems, alongside sophisticated analytical software for process control. These offerings are crucial for optimizing manufacturing processes, enhancing yield, and facilitating device packaging and testing in various industries worldwide. Their solutions are delivered both as standalone systems for specialized functions—such as detecting large flaws, performing packaging lithography, evaluating probe cards, and measuring transparent and opaque thin films—and through an extensive suite of process control software. This software scales from individual tool management to enterprise-wide factory integration. Beyond hardware and software, Onto Innovation also provides essential spare parts and software licensing services. Their technology is vital to a broad spectrum of clients, including manufacturers of semiconductors, advanced packaging, silicon wafers, LEDs, VCSELs, MEMS, CMOS image sensors, power devices, RF filters, and data storage products, as well as those in various industrial and scientific fields. Originally established in 1940 as Rudolph Technologies, Inc., Onto Innovation Inc. maintains its headquarters in Wilmington, Massachusetts.