... by the role of the magnetic field of electronic and work of the gas ionization increase risk, in the form of high density near ... target, Zr, aluminum silicon target, AlSi, silicon target, Si, copper target Cu, tantalum target T, a, Ge target, Ge, silver target, ... and operator training. With the safety equipment quality warranty period. 2, our quality policy is: "with satisfactory products and sincere ...