Fragment-tolerant transmission line

Details Fragment-tolerant transmission line Fragment-tolerant transmission line

1980-08-27

1982-04-06

Gensler, Paul L.

Wave transmission lines and networks

Long lines

Waveguide type

138178, 333242, H01P 312

Patent

active

043238670

ABSTRACT:
An improved transmission line or waveguide that can tolerate damage from ordnance fragments without severe degradation of performance. Ordnance fragment penetration into a waveguide tends to produce jagged inward protrusions or loose metal chips of the type which can cause arc-over and high standing wave ratios. The present invention provides a transmission line or waveguide made of a brittle nonconductive material such as plastic or composite material which is coated on the surfaces bordering the interior volume with a solder, conductive paint, or other conductive material. Thus, any penetration of the waveguide will leave a clean hole without jagged protrusions which could precipitate arcing and degrade the waveguide VSWR. An alternative embodiment comprises the construction of the waveguide walls from a brittle conductive material which would leave a clean hole after penetration.

REFERENCES:
patent: 2528367 (1950-10-01), Iams
patent: 3195079 (1965-07-01), Burton et al.
patent: 3290426 (1966-12-01), Barrentine
patent: 3522561 (1970-08-01), Liu
patent: 4020875 (1977-05-01), Akiba
patent: 4205420 (1980-06-01), Bothwell
Wolf, Magnesium Waveguides, A. F. Technical Report No. 6504, Wright Air Dlopment Center, Dec. 1950.

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