| 摘要 |
FIELD: physics.SUBSTANCE: radiant tube (4) for guiding a charged particle stream (10), having a hollow cylindrical isolation core (6) directly surrounding a beam-guiding hollow volume (8), the isolation core (6) being formed from a dielectrically acting carrier substrate (14) and an electrical conductor (16) held therein, and a metal housing (5) surrounding the isolation core (6), wherein the conductor (16) is divided into a plurality of conductor loops (20) completely encompassing the circumference of the isolation core (6) at different axial positions and galvanically connected to each other, wherein the conductor (16) in at least two spaced-apart points, particularly at the side of the ends, is galvanically connected to the housing (5), wherein metal layers are embedded in the carrier substrate (14), said metal layers being arranged one behind the other along the axis of the radiant tube (4) and inductively connected to each other through the electrical conductor (16).EFFECT: reduced probability of breakdown.6 cl, 1 dwg |
