Drive end-block for a rotatable magnetron

A drive end block for a magnetron arrangement with a rotating target arranged in a vacuum chamber, comprising an end block housing situated entirely beyond an end of the target within the vacuum chamber and having a rotatably mounted drive shaft arranged in the end block housing and accessible at an end from outside of the end block housing for connection to the rotating target and adapted at an end inside the end block housing for introduction of a torque, and an electric motor comprising a stator and a rotor for creating the torque, wherein the electric motor is arranged inside the end block housing and rotates the target.