LIG Nex1 Embarks on Defense Semiconductor Development

LIG Nex1 is embarking on the development of defense semiconductors. If successful, this initiative will mark not only a technological breakthrough but also the first step toward achieving national self-reliance in the semiconductor supply chain, a critical issue directly tied to military security.

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On December 4, LIG Nex1 announced plans to develop semiconductors for Active Electronically Scanned Array (AESA) radar, known as the "eyes in the sky," as well as for Synthetic Aperture Radar (SAR), using purely domestic technology.

The AESA radar semiconductors, to be developed in collaboration with the Agency for Defense Development, are core components applicable to multifunction radars, fighter jet AESA radars, radars for Korean stealth unmanned aerial vehicles, and broadband radars. The goal is to create ultra-compact, high-performance semiconductors for integration into weapon systems.

Defense semiconductors serve as the brains and heart of key weapon systems such as radars, guided weapons, and military communications. However, due to a high dependence on foreign sources, instability in the global supply chain could pose a critical threat to military operations.

Recognizing the urgency and importance of securing an independent supply chain for national security, the government is actively promoting the localization of defense semiconductors to reduce reliance on overseas suppliers.

LIG Nex1 currently possesses air-cooled AESA radars for export. If this project succeeds in localizing semiconductors, which are core components of AESA radars, it is expected to ensure a stable supply chain for future high-performance AESA radar projects led by the Agency for Defense Development for both manned and unmanned combat aircraft. Furthermore, this will enhance technological self-reliance across the radar and defense industries and help build a critical foundation for proactively responding to changes in future battlefield environments.

A representative from LIG Nex1 emphasized, "Achieving self-reliance in defense semiconductors is significant not only as a technological advancement but also as a means to ensure our military can operate its weapon systems reliably."

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