Onto Innovation
Semiconductor ManufacturingMassachusetts, United States1001-5000 Employees
Onto Innovation operates in the semiconductor manufacturing sector, delivering process-control solutions across the semiconductor value chain. The company offers a broad portfolio that includes un-patterned wafer quality assessment, 3D metrology for features ranging from nanometer-scale transistors to large die interconnects, macro defect inspection of wafers and packages, metal interconnect composition analysis, factory analytics, and lithography for advanced semiconductor packaging. Headquartered in Wilmington, Massachusetts, Onto Innovation maintains a global sales and service network to support customers worldwide. It is listed on the New York Stock Exchange under the ticker ONTO and employs between 1,001 and 5,000 people. In 2026, Onto Innovation announced a collaboration with Rigaku Holdings Corporation to develop X-ray solutions, including integrating Onto's Ai Diffract analysis software with Rigaku's CD-SAXS platforms.
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