skip to content

Stylus profilometer - Dektak XT

Technical Data

Stylus profilometer

Company: Bruker Corporation
Model: Dektak XT
Application: Tactile determination of the surface topography (layer thickness, waviness and roughness...) and 3D mapping on all solid surfaces
Measurement Technique: Stylus profilometry (contact measurement)
Sample Viewing: Digital magnification, 0.275 to 2.2 mm vertical FOV
Stylus Sensor:  Low Inertia Sensor (LIS 3)
Stylus Force: 1 to 15 mg with LIS 3 sensor
Stylus Options: Stylus radius options from 50 nm to 25 µm;
High Aspect Ratio (HAR) tips 200 µm x 20 µm;
Custom tips available upon request
Sample X/Y Stage: Manual 100 mm (4 in.) X/Y, manual leveling;
Motorized 150 mm (6 in.) X/Y, manual leveling
Sample R-Theta Stage: Manual, continuous 360 degrees;
Motorized, continuous 360 degrees
Scan Length Range: 55 mm (2 in.); 200 mm (8 in.) with scan stitching capability
Data Points Per Scan: 120,000 maximum
Max. sample size (W x L x H): 200 x 200 x 50 mm³
Step Height Repeatability:  4Å, 1 sigma on steps ≤1 µm (30 scans using a 12.5 µm stylus)
Vertical Range: 1 mm (0.039 in.)
Vertical Resolution: 1Å (@ 6.55 µm range)
Additional information: The unit is enclosed and mounted on a vibration damper.
Accessories: Styli of different radii and designs, reference sample