Method of manufacturing and assembling a TWT delay line

Details Method of manufacturing and assembling a TWT delay line Method of manufacturing and assembling a TWT delay line

1989-06-15

1992-01-14

LaRoche, Eugene R.

Metal working

Method of mechanical manufacture

Electrical device making

296021, 315 35, 315 535, H01J 900, H01J 2324

Patent

active

050798308

ABSTRACT:
A delay line for travelling wave tubes, particularly travelling wave tube whose gain and whose output power are independent of frequency over a plurality of octaves and contain a helix (9) in an electrically conductive cylinder (5). The helix is fixed and adjusted by retaining rods (8). Loading webs (4) are arranged parallel to the axis of the adjoining electrically conductive cylinder (5) and a small gap (12) is left free adjacent the helix (9). The extremely high requirement for mechanical dimensional accuracy and reproducibility of the dimensions in such delay lines are obtained by using loading webs (4) which are integrally formed in the electrically conductive cylinder (5).

REFERENCES:
patent: 3142777 (1964-07-01), Sullivan
patent: 3387168 (1968-06-01), Beaver
patent: 3433999 (1969-03-01), Espinosa
patent: 4035687 (1977-07-01), Gross
patent: 4542581 (1986-09-01), Wolfram
patent: 4598465 (1986-07-01), Cooper et al.
patent: 4765036 (1988-08-01), Harper et al.
patent: 4947467 (1990-08-01), Manoly et al.

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