Onto Innovation ONTO

SemiconductorsMarket cap $5B2 connections

Onto Innovation makes optical metrology and inspection equipment for semiconductor manufacturers. Its systems measure the thickness of thin films and detect defects during wafer processing - critical quality control at every step of chip fabrication. Every major fab from TSMC to Samsung uses metrology tools like Onto's.

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Customers 1

Companies Onto Innovation sells to

TSMCSemiconductors · $900BOnto metrology systems in TSMC fabs

Partners 1

Strategic partnerships, joint products and alliances

Applied MaterialsSemiconductors · $145BOnto metrology integrated with AMAT deposition tools

Other Semiconductors companies

NVIDIA TSMC Broadcom Samsung ASML AMD Qualcomm Intel Texas Instruments Applied Materials

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Relationships are compiled by VexMap from company filings, announcements and reporting, and last reviewed September 2026. Spotted something wrong? Tell us. Not investment advice.