US 12,218,417 B2
Radome
Teruki Miyazaki, Kanagawa (JP); Yukihiro Kamimura, Kanagawa (JP); and Tomohiro Ito, Kanagawa (JP)
Assigned to The Yokohama Rubber Co., LTD., Tokyo (JP)
Appl. No. 18/260,726
Filed by The Yokohama Rubber Co., LTD., Tokyo (JP)
PCT Filed Sep. 2, 2021, PCT No. PCT/JP2021/032275
§ 371(c)(1), (2) Date Jul. 7, 2023,
PCT Pub. No. WO2022/153588, PCT Pub. Date Jul. 21, 2022.
Claims priority of application No. 2021-003624 (JP), filed on Jan. 13, 2021.
Prior Publication US 2024/0063534 A1, Feb. 22, 2024
Int. Cl. H01Q 15/14 (2006.01); H01Q 1/42 (2006.01)
CPC H01Q 1/422 (2013.01) [H01Q 15/144 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A radome comprising
a multilayer structure in which a plurality of skin layers are layered on a surface of a core member,
the skin layer comprising a first fiber reinforced plastic layer containing a cyanate ester resin and a fiber material and a second fiber reinforced plastic layer containing an epoxy resin and a fiber material, and
the second fiber reinforced plastic layer being disposed at a position in direct contact with the surface of the core member on both of two opposite sides of the core member, wherein
a proportion of a thickness of the second fiber reinforced plastic layer to a thickness of all of the skin layers is 50% or less.