InfoSight® Corporation
Glass Edge Marking Technologies
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The following picture shows a piece of automotive glass which has been edge marked with a 4 digit Code 128C barcode. The white background has been pad applied and  marked while drying using a low power CO2 laser. Total marking time was under 4 sec. The code is scannable using a standard scanner. (Ref DPI 1739 ).


The following picture shows various pieces of  glass with a bar code and associated man readable strings printed on the surface near one edge. The marking is accomplished by transferring the image from a laser patterned carrier ribbon. These samples were made by hand. In a production machine , the markings would be square and aligned to the edge .

The marking material will survive tempering and will harden significantly after tempering.