US 12,142,825 B2
Radome configured with dual-layer double-ring circuitry
Yao-Jen Chen, Hsinchu (TW); Pao-Wei Lin, Hsinchu (TW); and Chia-Hsien Chen, Hsinchu (TW)
Assigned to ALPHA NETWORKS INC., Hsinchu (TW)
Filed by Alpha Networks Inc., Hsinchu (TW)
Filed on Feb. 8, 2023, as Appl. No. 18/107,317.
Claims priority of application No. 111140407 (TW), filed on Oct. 25, 2022.
Prior Publication US 2024/0154301 A1, May 9, 2024
Int. Cl. H01Q 1/42 (2006.01); H01Q 1/40 (2006.01)
CPC H01Q 1/422 (2013.01) [H01Q 1/40 (2013.01); H01Q 1/425 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A radome for protecting a radar device, disposed in the transmission path of signals to/from the radar device, and comprising: a shell; a first circuit board disposed at a side of the shell facing the radar device to be protected, and configured with a first inner circuit ring and a first outer circuit ring facing toward the shell, wherein the first inner circuit ring is enclosed with and insulated from the first outer circuit ring, and each of the first inner circuit ring and the first outer circuit ring forms a closed loop; a second circuit board disposed between the first circuit board and the shell, and configured with a second inner circuit ring and a second outer circuit ring facing toward the shell, wherein the second inner circuit ring is enclosed with and insulated from the second outer circuit ring, and each of the second inner circuit ring and the second outer circuit ring forms a closed loop; a first insulation layer disposed between the first circuit board and the second circuit board; and a second insulation layer disposed between the second circuit board and the shell.