US 11,056,779 B2
Syntactic foam radome structure
Fredric Paul Ziolkowski, South Grafton, MA (US)
Assigned to CPI Radant Technologies Divisions Inc., Stow, MA (US)
Filed by CPI Radant Technologies Division, Inc., Stow, MA (US)
Filed on Nov. 26, 2019, as Appl. No. 16/696,366.
Prior Publication US 2021/0175616 A1, Jun. 10, 2021
Int. Cl. H01Q 1/42 (2006.01)
CPC H01Q 1/422 (2013.01) 19 Claims
OG exemplary drawing
 
1. A radome wall structure comprising:
one or more laminate plies;
a first syntactic foam layer on one side of the one or more laminate plies;
a second syntactic foam layer on the other side of the one or more laminate plies;
a third outer syntactic foam layer;
one or more laminate plies between the third outer syntactic foam layer and the first syntactic foam layer;
a fourth inner syntactic foam layer;
one or more laminate plies between the fourth inner syntactic foam layer and the second syntactic foam layer; and
an interior matching layer on the fourth inner syntactic foam layer.