Multiple and broadband stealth structure
AssigneeIndustry-Academic Cooperation Foundation, Yonsei University
InventorsHyung Hee Cho, Nam Kyu Lee, Joon Soo Lim, In Joong Chang, Hyung Mo Bae, Ju Yeong Nam
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Abstract
A multiple and broadband stealth structure comprises a radar absorption unit that absorbs broadband microwave, a low-frequency transmission filter unit that is stacked on an upper portion of the radar absorption unit, and an infrared radiation unit that is combined with the low-frequency transmission filter unit to selectively emit infrared ray, thereby selectively controlling the infrared emissivity of the surface to emit infrared radiation only through an atmospheric absorption window with a low infrared transmittance and to avoid the infrared detection system.
Claims7
A multiple and broadband stealth structure, comprising:
- a radar absorption unit configured to absorb broadband microwave;
- a low-frequency transmission filter unit disposed on an upper portion of the radar absorption unit;
- and
- an infrared radiation unit combined with the low-frequency transmission filter unit to selectively emit infrared radiation,
- wherein the radar absorption unit includes:
- a thin film;
- a first dielectric layer extending upward from an edge of the thin film;
- and
- a first seating member having four triangles in which vertices of the four triangles are positioned at one center, and the four triangles are arranged radially from the one center, the first seating member being disposed on an upper surface of the thin film.
Dependencies are inferred from the claim text.