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US 10,724,141 B2Granted
Anti-multipactor device
AssigneesConsejo Superior De Investigaciones Cientificas (Csic), Tesat-Spacecomo GmbH & Co. KG
InventorsIsabel Montero Herrero, Lydya Sabina Aguilera Maestro, David Raboso García-Baquero, Ulrich Wochner
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Abstract
The invention relates to anti-multipactor coating deposited onto a substrate that can be exposed to the air and its procedure of obtainment by simple chemical methods. Furthermore, the present invention relates to its use for the fabrication of high power devices working at high frequencies.
Claims15
An anti-multipactor coating deposited onto a substrate consisting of:
- at least two contacting high conductive metal layers with an electrical conductivity greater than 4×107 S·m−1,
- having a secondary electron emission yield below 1 in air, between 0.4 and 0.9 for an incident electron energy range between 0 and 5000 eV,
- having a final surface roughness defined by a geometric shape of grooves,
- having a grooves aspect ratio greater than 4 for a surface grooves density greater than 70%, wherein the aspect ratio is defined by the ratio depth to dwell width of the grooves,
- and having an insertion loss of between 0.1 and 0.14 dB,
- wherein the substrate is Ni doped with an element selected from P, Al, Cu and Ag.
3 more elements
Dependencies are inferred from the claim text.