Magnetron anode design for short wavelength operation

Details Magnetron anode design for short wavelength operation Magnetron anode design for short wavelength operation

2007-09-04

2007-09-04

Phan, Tho (Department: 2821)

Radiant energy

Invisible radiant energy responsive electric signalling

With radiant energy source

C315S039770, C315S039730, C315S039650, C315S039750

Reexamination Certificate

active

10982591

ABSTRACT:
An electromagnetic radiation source is disclosed. The electromagnetic radiation source includes an anode having a first conductor, a second conductor positioned relative to the first conductor, a plurality of pole pieces coupled to at least one of the first conductor and the second, and at least one mechanical phase reversal positioned along the first conductor or second conductor. Adjacent pole pieces are separated by a gap. The electromagnetic radiation source also includes a cathode separated from the anode by an anode-cathode space, electrical contacts for applying a dc voltage between the anode and the cathode and establishing an electric field across the anode-cathode space, and at least one magnet arranged to provide a dc magnetic field within the anode-cathode space generally normal to the electric field. Electrons emitted from the cathode are influenced by the electric and magnetic fields to follow a path through the anode-cathode space and pass in close proximity to the plurality of pole pieces, and the gaps between adjacent pole pieces provide fringing fields which interact with the electrons to produce single mode operation at a desired operating frequency.

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