Korea Institute of Materials Science Develops Carbon Nanotube Film Enabling Simultaneous Electromagnetic Shielding and Infrared Stealth

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Korea Institute of Materials Science Develops Carbon Nanotube Film Enabling Simultaneous Electromagnetic Shielding and Infrared Stealth

Published2026.08.19 09:30

Ultra-thin film measuring 1/5 the thickness of human hair blocks electromagnetic waves by 99.9999999% or greater…application to weapon systems and aerospace anticipated

Composite material technology integrating electromagnetic shielding and infrared stealth functions into a single ultra-thin film while securing high-strength characteristics has been developed by domestic researchers. Based on carbon nanotubes (CNT), this hybrid film is expected to be broadly applied to future weapon systems, aerospace, and 5G/6G communication devices.

The Korea Institute of Materials Science announced on the 19th that the research team led by Dr. Kim Tae-hoon, principal researcher at the Composite Materials Research Division, has successfully developed an ultra-thin carbon nanotube hybrid film that simultaneously implements electromagnetic shielding, infrared stealth, and high-strength characteristics.

The thickness of the film is only approximately 1/5 that of human hair, and the electromagnetic wave blocking rate is reported to be 99.9999999% or greater.

In terms of strength, the institute explained that it possesses a level comparable to steel.

Multi-Functional Composite Material Implementation

The key aspect of this research is that different physical functions within a single film structure have been simultaneously satisfied.

Electromagnetic shielding is directly related to prevention of electronic device malfunction and communication security, while infrared stealth is a technology utilized for thermal imaging detection evasion. To integrate both characteristics into a single material, contradictory material design conditions must be simultaneously satisfied.

The research team disclosed that this problem was solved through hybrid structure design utilizing carbon nanotubes.

Expected Application Fields

According to the institute, this film is expected to be applicable to various fields including △future weapon systems △aerospace structures △5G/6G communication devices.

The ultra-thin and lightweight characteristics are particularly advantageous for platforms with limited installation space, the explanation stated.

#EMC #항공우주 #탄소나노튜브 #CNT #전자파 차폐 #적외선 스텔스 #복합소재 #초박막 필름 #무기체계 #5G 통신

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