Inspection of Glass Sheets
Quality assurance and process control have become more important than ever for the production of glass sheets. New high-tech processing steps for todays glass types, such as fire protection lamination or ITO/TCO coatings, can also boost the expenditure of production. Thus, an early reaction to deviations from quality and process standards can save enormous costs for material loss. Glass contamination's or defects in the glass can cause glass breakage at a later processing stage. Also, profound secondary costs such as downtime of production lines and even guarantee costs could greatly decrease yield and profit.
Modular Concept for Tailor-Made Solutions
Dr. Schenk GlassInspect solution is a modular optical vision system capable of inspecting a wide range of panel sizes and types, including bare glass substrates, coated and laminated glass, structured and unstructured solar glass, OLED material and many more.
Based on a modular concept using high-resolution cameras and high performance LED illumination units GlassInspect can be optimized for various applications and inspection tasks within the production process. Defect classification software modules, each specifically tailored to the various production steps, help glass manufacturers to improve quality at a higher yield.
GlassInspect is available either fully integrated into automated production lines or as stand-alone systems with loading and unloading capability for batch and prototype production.
Focus of Inspection
Surface Inspection of Bare Glass Substrates
Bubbles, Inclusions (Stones, Knots), Platinum, Tin, Cullets, Glass Chips, Protrusions (Tokki), Particles, Scratches, Surface Spots, Stains, Streaks (Brush Lines, Cords), Water Marks, Broken Corners, Edge Chips, Edge Cracks
Coated and Laminated Glass
Coating Voids, Missing Coating, Pinholes, Coating-Burns/Arcs, Coating Scratches, Coating Splashes (Metal Spots), Peelings
Inclusions in Lamination Layers, Bubbles, Pinholes and Scratches
Structured Solar Glass
Bubbles (closed and open), Inclusions, Structure Irregularities
Glass Edge
Broken Corners, Edge Chips, Edge Cracks
Glass Sheet Geometry
Dimension (Width and Length), Geometrical Form, Rectangularity of Sheet Corners, Parallelism of Panel Sides, Warpage
Sample Defect Images of GlassInspect for Sheet Glass

- Bubble

- Inclusion

- Glass Chip

- Glass Chip

- Metal Inclusion

- Metal Inclusion

- Platinum

- Scratch
System Highlights
- Unmatched cycle time
- Superior defect sensitivity
- Wide range of panel sizes and types
- Innovative glass handling technology
The combined contribution of the proprietary technologies of pattern compensation, measurement modules and modular system design maximizes the inspection performance of the GlassInspect system in order to best serve the needs of the glass sheet manufacturer.
Optional Measurement Channels
Thickness Measurement
- White Light Spectrometer Modules
- Laser Interferometer Modules
Warpage Measurement
- High Precision Triangulation Sensors
Color Measurement
- Spectrometer Modules
- Single Sensor Modules
Download brochure: Inspection of Structured Glass for the Production of Solar Modules
Download brochure: TCO & ITO Coated Glass and Web Materials - Quality Control Solutions for Higher Yields
Dr. Schenk at Upcoming Conferences
Inspection & Monitoring Solutions for large-area coatings at ICCG8 and the EFDS Workshop.
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Visit Dr. Schenk at the PHOTON 2010 in Stuttgart, Germany
New SolarMeasure Option for the Scribing Process of thin-film PV modules: Shunt Repair Station
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