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onto NEWS RELEASE Onto Innovation Reports 2021 Second Quarter Results 8/5/2021 innovation .. ● WILMINGTON , Mass .-- ( BUSINESS WIRE ) -- Onto Innovation Inc. ( NYSE : ONTO ) today announced financial results for the second quarter of 2021 . 2021 Second Quarter Highlights Quarterly revenue of $ 193 million represents 43 % year over year growth compared to the second quarter of 2020 and 14 % sequential quarterly growth . Record quarterly revenue exceeds guidance resulting in 43 % year over year growth ● Continued revenue growth expected for the second half of 2021 • Gross margin improved both year over year and over the first quarter of 2021 to 55 % . • Specialty device and advanced packaging revenue grew by 45 % over the first quarter driven by : ● Strong demand for inspection systems which grew 24 % over the first quarter , and • U.S. government approval of licenses for shipment of metrology tools to specialty device customers in China resulted in $ 13 million of revenue in the second quarter . ● Revenue from RF communications and power customers increased to over $ 24 million in the quarter , including the addition of four new customers . • Received orders from a new CMOS image sensor ( CIS ) customer in China , while a top - 3 CIS customer doubled their existing installed base . Year to date cash flow from operations totaled $ 76 million or 21 % of revenue ; cash and marketable securities 1