Wave guide consists of bar or wire made of thin coiled foil, end discs, and homogeneous material-join.

摘要

The wave guide (1) in the form of a bar or wire is made of thin, coiled foil (2), with discs (4) on the end-side ends and which form a homogeneous material-join (5) with the coiled foil. The wave guide can consist of a thin-walled bundle of concentric tubes.