{
    "protocol": "Very thin layer of specially designed molecules coated on PCB. Applied with glue dispenser/PVD/CVD, etc.Two steps to apply VCN L1-B and L2 on the surface.PCB or FPC fixed in clips then put in the convey belt. Plasma surface cleaning and pretreatment. Coating. Curing in tunnel oven under certain condition. Finished product. Can be checked under UV light."
}