Onto Innovation Inc. is a semiconductor equipment and software technology company. It offers a portfolio of technologies for wafer manufacturing, front-end process control and lithography technology for advanced semiconductor packaging. The Company and its wholly-owned subsidiaries provide process control metrology and inspection systems used primarily in the fabrication of semiconductors and other solid-state devices as well as industrial and scientific applications. Its optical critical dimension (OCD) technology is a dimension measurement technology that is used to determine the dimensions on the semiconductor wafer that directly controls the resulting performance of the integrated circuit devices. Its thin film metrology systems use a broad spectrum of wavelengths, high-sensitivity optics, software and technology. The Company is also a supplier of overlay metrology for controlling lithography and etch processes in the compound semiconductor market.