Assemblies formed by additive manufacturing, radar absorbing structures, and related methods

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United States of America Patent

PATENT NO 11135763
APP PUB NO 20190337220A1
SERIAL NO

15969005

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An assembly formed by additive manufacturing comprises a top face sheet, a bottom face sheet, and a core structure between the top face sheet and the bottom face sheet, the core structure comprising a plurality of cells, wherein structural elements of the core structure defining the plurality of cells exhibit at least one electrical property in at least one direction varying from at least one electrical property in a second, different direction and at least one structural property in at least one direction varying from at least one structural property in a second, different direction, wherein at least a portion of the structural elements comprises a radar absorbing structure, the structural elements comprising a matrix material and at least one additive dispersed in or on the matrix material. Related radar absorbing structures and related methods of fabricating the radar absorbing structures are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
NORTHROP GRUMMAN SYSTEMS CORPORATION2980 FAIRVIEW PARK DRIVE FALLS CHURCH VA 22042-4511

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beyerle, Peter A Dayton, US 3 101
Johnson, Kenneth Centerville, US 41 574
Poor, Brett A Beavercreek, US 1 11
Thrasher, Talbot P Newark, US 7 41

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