Patent ID: 8841867
Filing Date: 2014-09-23
Classification: H01J

Abstract:
1. A crossed field device for generating electromagnetic (EM) emissions, comprising: a cathode that geometrically includes an axial direction and a radial direction that is normal to the axial direction, the cathode having an axial end that faces the axial direction; an anode being spaced from the cathode in the axial direction, the anode having a plurality of cavities and an axial end that faces the axial end of the cathode across an AK gap; a magnetic element; and an extraction element conveying the electromagnetic (EM) emissions from the crossed field device to an intended load, wherein the crossed field device is a recirculating device that creates an electric (E) field extending in the axial direction across the AK gap and a magnetic (B) field that extends in the radial direction through the AK gap.