News | Atometrics optical surface roughness analyzer, white light interferometry

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Wafer 3D Inspection WM Series Knowledge

Wafer 3D Inspection WM Series Knowledge

Based on White Light Interferometry, Wafer 3D Inspection WM Series enables Surface Roughness Measurement, step height testing, etc., for semiconductor manufacturing. WPM Series, also using this tech, has more functions, covering the whole IC manufacturin

Principle of Laser Displacement Sensors

Principle of Laser Displacement Sensors

This summary introduces laser displacement sensors, which use time-of-flight, phase shift or triangulation (e.g., Atometrics SL Series, μm-level accuracy) to measure distance/displacement. They apply to industrial scenarios like Flatness Measurement,Surf

How to Measure Roughness Better?

How to Measure Roughness Better?

This article explains surface roughness (part of surface texture with <1mm wavelength) and its impact on part performance. It notes form/waviness removal for accurate Surface Roughness Measurement, introduces Surface Roughness Measurement Equipment like

Methods for Measuring Flatness

Methods for Measuring Flatness

In industrial precision measurement, Flatness Measurement is key. Methods/equipment (e.g., reference plane comparison, coordinate measurement, optical scanning) depend on accuracy, workpiece size, etc. The White Light Interferometer (applying White Light

What Can a Profilometer Measure?

What Can a Profilometer Measure?

This article introduces profilometers for precise surface topography measurement, covering contact and non-contact types. It highlights Non-contact Surface Measurement advantages (non-destructive, high resolution), details 3D Line Laser Measuring Instrum

Enhancing Humanoid Robot Mobility: Which Key Parameters of Motion Joints Need Control?

Enhancing Humanoid Robot Mobility: Which Key Parameters of Motion Joints Need Control?

This article discusses enhancing humanoid robot mobility by controlling motion joint parameters (motors, reducers, lead screws). It notes China’s market growth forecasts and highlights tools like White Light Interferometers, Super Large Depth of Field Di

Principle of Spectral Confocal Displacement Sensor and Its Applications

Principle of Spectral Confocal Displacement Sensor and Its Applications

The text introduces the principle of Spectral Confocal Displacement Sensor (based on white light interference and chromatic dispersion) and its applications like precise displacement/dimension measurement, Surface Topography Detection (including Flatness

How to Measure Surface Roughness?

How to Measure Surface Roughness?

Surface roughness is measured via contact (stylus profilometry, replication) and non-contact (optical interferometry, laser scanning, AFM) methods, plus comparison. Key equipment includes stylus tools, white light interferometers (WLI) and AFM. WLIs exce

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