Abstract: An anode assembly includes a rotatable hub having a rotation axis and having a cooling passage formed therethrough and a ferrofluid seal attached to the rotatable hub, the ferrofluid seal fluidically separating a first volume containing the target from a second volume. A target is attached to the rotatable hub, the target having a rotation axis coincident with the rotation axis of the rotatable hub and having a chamber formed therein fluidically coupled to the cooling passage, the target having a focal track material attached to an outer face of the target.

Abstract: An anode assembly includes a rotatable hub having a rotation axis and having a cooling passage formed therethrough and a ferrofluid seal attached to the rotatable hub, the ferrofluid seal fluidically separating a first volume containing the target from a second volume. A target is attached to the rotatable hub, the target having a rotation axis coincident with the rotation axis of the rotatable hub and having a chamber formed therein fluidically coupled to the cooling passage, the target having a focal track material attached to an outer face of the target.

Abstract: A hermetic sealing system includes a chamber enclosing a high vacuum and positioned within an ambient environment and a rotatable shaft having a first portion extending into the chamber and a second portion extending out from the chamber. A ferrofluid seal is positioned about the rotatable shaft and positioned between the first portion and the second portion, the ferrofluid seal fluidically sealing the chamber. The ferrofluid seal assembly also includes a plurality of non-magnetic conductive elements configured to reduce an operating temperature in the ferrofluid seal assembly.