E2v Technologies (uk) Limited

Marconi Applied Technologies Limited

Robert Charles Wilson

Steven Bardell

Kesar Saleem

Timothy A Crompton

Alan Reynolds

Ian Milsom

A magnetron includes a cathode and a vacuum envelope in which the cathode extends. The vacuum envelope includes a portion extending radially relative to the axis of the cathode. A pair of electrically conducting support arms for supporting the cathode are in electrical connection with cathode supply terminals. The support arms have free ends connected to the cathode by leads. A wall extends across an area of the radially-extending portion. The wall is positioned along the radially-extending portion nearer to an end of the radially-extending portion that is adjacent to the cathode than to an end that is remote from the cathode and the support arms are mounted in the wall.

Magnetron

A magnetron has an anodesurrounding a tubular hollow cathodewhich contains a heater. The cathode is supported by radial arms at each end. At one end of the cathode, the heater is supplied with one terminal of its D.C. supply by means of a radial arm, which also serves to support that end of the cathode. The arm has a portionoffset towards the cathode, and a cover of conducting material is interposed between the heater connection and the adjacent end wallof the vacuum envelope. The cover may have a folded portion so that it can be carried by the arm.

In a multistage collector used in a linear beam tube such as an IOT or klystron, electrode stages are separated by ceramic rings having metallised surfaces to provide distributed bypass capacitors. This eliminates or reduces leakage or any radio frequency energy from the interior of the collector to the outside.

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Maldon, United Kingdom

Robert Charles Wilson