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1. (WO2018204107) AIRCRAFT RADOMES WITH BROADBAND TRANSPARENCY

Pub. No.:    WO/2018/204107    International Application No.:    PCT/US2018/028818
Publication Date: Fri Nov 09 00:59:59 CET 2018 International Filing Date: Tue Apr 24 01:59:59 CEST 2018
IPC: B32B 15/08
H01Q 1/27
H01Q 1/28
H01Q 1/42
Applicants: VU SYSTEMS, LLC
Inventors: AMMAR, Dan
Title: AIRCRAFT RADOMES WITH BROADBAND TRANSPARENCY
Abstract:
An aircraft nose radome has a first portion that is transparent to X band microwave energy, and a second portion that is transparent to W band microwave energy. The second portion may be an insert that is secured to the radome at an opening formed therein. The insert may have a multi-layer structure with first, second and third layers, a fourth layer of foam between the first and second layers, and a fifth layer of foam between the second and third layers. The insert may include a plurality of spaced-apart, elongated reinforcing members or ribs between the first and second layers and between the second and third layers that extend along a longitudinal direction defined by the insert. The insert may have a serrated cross-sectional configuration.