Tencor™ Stylus Profilometers
Tencor™ Stylus Profilometers
KLA Instruments™ Alpha-Step®, Tencor P- and HRP®-series stylus profilometers deliver high-precision, 2D and 3D surface metrology, measuring step height, surface roughness, bow and stress with industry-leading stability and reliability for your R&D and production requirements.
Timeline of Innovation
Since the launch of the Alpha-Step 100 stylus profilometer in 1977, our technical experts have continued to bring key innovations such as advanced topography sensors, ultra-flat scanning stages and fully automated measurement capability to market. Our tools continue to evolve, providing repeatable and accurate measurements for your surface metrology requirements. Learn more about the rich history of innovation of our stylus profilers.

Alpha-Step® D-500
The Alpha-Step D-500 is an affordable, easy-to-use benchtop stylus profiler with a manual X-Y stage for 2D step height and surface roughness measurements for both lab and production environments.
Alpha-Step® D-600
The Alpha-Step D-600 adds a motorized X-Y stage to the Alpha-Step technology, enabling automated mapping of 2D and 3D step height and surface roughness measurements.
Tencor™ P-7
The Tencor P-7 leverages the industry-leading topography sensor and ultra-flat scanning technology of the Tencor P-17 in a platform that offers the best price to performance for a benchtop stylus profiler.
Tencor™ P-17 & Tencor™ P-17 OF
The industry-leading Tencor P-17 is the latest generation benchtop stylus profiler built on over 40 years of surface metrology experience, providing precise 2D and 3D step height and surface roughness measurements for R&D and production environments.
Tencor™ P-170
The Tencor P-170 enables fully automated measurements for the compound semiconductor industry, supporting cassette-to-cassette wafer handling including silicon, sapphire, silicon carbide, gallium arsenide, glass and more.
HRP®-260
Built for high throughput and the reliability required in a production environment, the HRP-260 stylus profilometer combines high resolution, long scan capability and cassette-to-cassette wafer handling.
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