Patent ID: 6580780
Filing Date: 2003-06-17
Classification: H01J

Abstract:
An x-ray tube comprising:(a) a vacuum enclosure having an electron source and anode disposed therein, said anode having a target surface positioned to receive electrons emitted by said electron source, and said anode at least partially defining at least one fluid passageway wherein said at least one fluid passageway allows a flow of coolant to contact at least a portion of said anode; (b) at least one surface area augmentation structure disposed within said at least one fluid passageway, at least a portion of heat generated in said anode being transmitted to said at least one surface area augmentation structure, and said flow of coolant absorbing at least a portion of heat from said at least one surface area augmentation structure as said flow of coolant passes through said at least one fluid passageway; and (c) means for accelerating said coolant so as to facilitate jet impingement heat transfer from at least a portion of said anode to said coolant.