Coated Glass Inspection
Dr. Schenk's GlassInspect for coated glass inspection detects defects and irregularities that occur in coating layers and on the glass substrate while being processed.
GlassMeasure continuously examines 100% of the glass surface to monitor overall physical properties such as coating thickness and homogeneity, color variation, haze or surface topology.
GlassInspect for coating glass inspection is used for local defect detection, including:
- Coating void defect detection
- Missing coating defect detection
- Pinhole defect detection
- Coating burn/arc defect detection
- Coating scratch defect detection
- Coating splash defect detection (metal spots detection)
- Peeling inclusion defect in lamination layers
- Bubble defect detection
- Scratch defect detection
GlassInspect & GlassMeasure for coated glass inspection use Dr. Schenk’s unique MIDA Technology so one defect generates multiple images to deliver the most comprehensive material analysis on the market.
Multiplexing between different camera channels and illuminations enables a single camera to inspect the glass for defects and distinguish between core and distortion size, detect tin drops (top and bottom), and reams and ream knot defects.
Typical Coated Glass Applications
Dr. Schenk’s solutions for coated glass inspection are used in multiple applications and markets. The typical tasks for GlassInspect and GlassMeasure include:
- TCO/Molybdenum Coating inspection
- Anti-reflective coating inspection for the PV industry
- ITO coating inspection for display glass
- Low-E coating inspection for the architectural and automotive industries
In sputtering or vaporisation processes the coating layers are deposited microscopically thin onto the glass substrates. To guarantee high electrical conductivity, the coating layers must be deposited without any defects, contaminations or unacceptable thickness variations.
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