... in welding of gold, silver, platinum,Stainless steel,titanium,alloy,battery,IC,nickel aluminum transfer area,etc.3)Tech DataModelCY-DH ... Output Power400WMaximal Laser Pulse Power70JEnergy transfer efficiency>90%Facular Diameter0.3mm-1.5mmPulse Breadth0.2ms-10msWelding Depth(depend on material) ... Water Recycle/Laser Dedicated Chiller/Outside Water Cooling(selective) Battery Laser welding machine