This content was originally written and published by the LMI Technologies team on their website. Reproduced here from this link.
Scan and Inspect The Most Challenging Surfaces
FocalSpec 3D Line Confocal Sensors leverage a patented off-axis line confocal optical design to ensure continuous, non-contact measurement of the most challenging materials and shapes, including curved display glass, multi-layered transparent materials (e.g., glass, medical plastics), and a variety of complex highly reflective electronic parts.
- Leverages patented off-axis line confocal optical design
- Captures 3D topography, 2D intensity data, and 3D tomography at scan rates up to 16,000 Hz
- Provides flexible, high-speed, and precise inline 3D and 2D measurement and surface inspection of the curved edge and multi-layered materials including glass and plastics
FocalSpec Sensor Types
FocalSpec Standard 3D Line Confocal Sensors
Providing multipurpose, metrology-grade performance for a variety of challenging at-line and offline measurement applications.
- High dimensional accuracy
- Scan rates of 300-500 Hz (full frame) over a 1GigE interface
- Large measurement range for greater scan coverage
- Captures 3D tomography, 3D topography, and 2D intensity data simultaneously
- Excellent performance on the curved edge, multi-layered, transparent, and highly reflective materials
FocalSpec High-Speed 3D Line Confocal Sensors
Combining speed, large measurement range, and unparalleled Z precision for the most challenging inline measurement applications.
- Faster sampling speeds for inline applications
- Captures 3D tomography, 3D topography, and 2D intensity data simultaneously
- Ability to identify and capture curved edges and individual material layers
- Excellent performance on transparent and highly reflective materials
About Line Confocal Imaging Technology
Line Confocal Imaging technology (LCI) is used for measuring microscopic-scale dimensions and tomographic structures. LCI technology is based on an optical method called lateral chromatic aberration, where white light emitting from a sensor’s transmitter is split into a continuous spectrum of wavelengths. Each wavelength is focused on the measured surface at a certain distance from the sensor to form a perpendicular focal plane.
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