Jun 16 , 2021
UV lasers affect the quality of the QR code of the engraved PCB circuit board
UV lasers affect the quality of the QR code of the engraved PCB circuit board In the field of PCB circuit board electronics, QR codes can play a role in product quality traceability and product source traceability, and can effectively control product materials, reject defective products, provide product replenishment and other good points. In the early days, ink was used to QR codes,...
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