Sep 28, 2026 | Articles, News, Products
Why Surface Roughness is Shifting from Ra to Sa Click to Read Now! As optical manufacturing and precision engineering continue to advance, traditional 2D surface roughness metrics like Ra are no longer sufficient for fully characterizing complex surfaces. This article...
Sep 28, 2026 | News, Products, Uncategorized, Webinars
In this webinar, we explore how 3D surface inspection is moving beyond manual tools toward automated solutions designed for real-world MRO environments. Learn how today’s optical technologies can help maintenance teams improve repeatability, reduce inspection...
Aug 10, 2026 | News, Products, Videos, Webinars
This webinar, held on August 4, 2026 and presented by Jenna Perryman of 4D Technology, explores how aviation MRO organizations are moving beyond traditional visual and 2D inspection methods by adopting optical 3D surface measurement technologies. The webinar discusses...
Jun 3, 2026 | News, Products
Fast, rugged, portable roughness system provides high-resolution, 3D measurements of surface finish on the shop floor Onto Innovation’s Tucson-based subsidiary 4D Technology announced today the launch of the 4Di InSpec™ SR roughness measurement system – a...
Jan 28, 2026 | News, Products, Videos, Webinars
In this webinar hosted by Photonics Spectra, Dr. Erik Novak, Vice President, 4D Technology, talks about how the demand for precise, reliable metrology is growing as optical systems evolve toward greater design complexity. It also highlights how vibration-insensitive...
Jan 28, 2026 | News, Products
Portable, vibration-immune, 3D surface roughness system transforms precision inspection by bringing the metrology directly to the part – right on the shop floor. Onto Innovation Inc. (NYSE: ONTO) is proud to announce that its 4Di InSpecTM SR Surface Roughness Gauge...
