-Marking QR Code on Copper Foil Application Specifications: Marking QR Code. The specification of QR code: 8X18 cells, matrix, each cell: 100umX 100um, interval: 150um. The whole operation needs to be finished within 10 seconds. Technological Parameters: Laser: 60W-LM1-L1 Field Lens: F = 100mm Filling Type: dual rectangular Total Time: 12.5s
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