Multilayer coverings to protect surfaces from lightning strikes
Martin, Billy Marvin, inventor. Wichita State University (Wichita, KS), assignee. Multilayer coverings to protect surfaces from lightning strikes. United States patent U.S. 11,174,846. 2021, November 16.
A multilayer protective covering can protect a surface from lightning strikes. The covering includes a bottom conductive layer affixed to the surface and having a first opening that is aligned with a grounding connection so that the grounding connection is exposed through first opening and not in contact with the bottom conductive layer. The covering also includes a dielectric layer affixed to the bottom conductive layer and having second opening aligned with the grounding connection so that the grounding connection is exposed through second opening and not in contact with the dielectric layer. The covering additionally includes a top conductive layer affixed to the dielectric layer and covering the grounding connection. The top conductive layer directs electrical current from a lightning strike on the surface to the grounding connection.
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Application No. 15/972,908 filed May 7, 2018. Patent No: U.S. 11,174,846 granted November 16, 2021