4Di InSpec SR Surface Roughness Gauge Wins the SPIE 2026 Prism Award

February 2, 2026

Onto Innovation has announce that its 4Di InSpec SR Surface Roughness Gauge was awarded the 2026 SPIE PRISM Award in the Test and Measurement category. The 4Di InSpec SR is an innovative, fully portable, vibration-immune, 3D surface roughness tester which non-destructively measures even rough surfaces with nanometer-level vertical resolution without the need for a controlled lab environment.

*4Di InSpec SR machined metal 3D roughness check*

Each year, SPIE, the international society for optics and photonics, recognizes the top-rated new optics and photonics products with the industry-focused Prism Awards. Finalists and winners were selected by a panel of international judges who leveraged their knowledge and acumen from across the technology commercialization and funding sectors. The distinguished judges from eight countries included government-agency representatives, commercial business executives, academic researchers, and industry leaders.

4Di InSpec SR bare wafer 3D roughness check

Built on patented optical technology, the 4Di InSpec SR Surface Roughness Gauge revolutionizes precision inspection, delivering fast, vibration-resistant, scratch-free analysis across metals, composites, plastics, and more – right on the shop floor. With millions of data points and ISO-compliant parameters, it captures ultra-finished to corroded surfaces without replication. Its rugged design, one-button operation, and flexible mounting options—including robotic integration—enable access to hard-to-reach areas. Paired with 4Sight Focus software for intuitive control and seamless data transfer, the 4Di InSpec SR sets a new standard for automated, high-performance surface metrology.

“This award reflects the innovation, technical excellence, and dedication of our team,” said Craig Manning, VP & GM of Onto Innovation’s 4D Technology. “Like our other solutions, the 4Di InSpec SR represents a shared commitment to solving real measurement challenges with practical, purpose-designed solutions.” Beta units of the 4Di InSpec SR are currently being shipped.

For more information: www.4dtechnology.com

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