Injunan alamar Laser na PCB gama gari ana yin amfani da Laser CO2 da Laser UV. A karkashin wannan jeri, UV Laser alama inji yana da mafi girma madaidaici fiye da CO2 Laser alama inji. Tsawon tsayin laser UV yana kusa da 355nm kuma yawancin kayan zasu iya ɗaukar hasken UV mafi kyau maimakon hasken infrared.