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4D Technology is a leader in innovative metrology products for measuring surface quality and surface defects on precision surfaces, as well as the surface and wavefront quality of optics. 4D’s patented Dynamic Interferometry® technology enables 4D’s laser interferometry products to measure in difficult environments, where vibration, air turbulence or rapid motion have traditionally prevented accurate measurement. 4D Technology is a subsidiary of Onto Innovation.

Call: +1 520 294 5600

Write: 4dinfo@ontoinnovation.com

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