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15 CFR § 231.118Chapter II

Semiconductors critical to national security

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Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.

Full Text

Semiconductors critical to national security means:

(a) Semiconductors utilizing nanomaterials, including 1D and 2D carbon allotropes such as graphene and carbon nanotubes;

(b) Compound and wide- and ultra-wide bandgap semiconductors;

(c) Radiation-hardened by process (RHBP) semiconductors;

(d) Fully depleted silicon on insulator (FD-SOI) semiconductors, other than with regard to semiconductor packaging operations with respect to such semiconductors of a 28-nonometerer generation or older;

(e) Silicon photonic semiconductors;

(f) Semiconductors designed for quantum information systems;

(g) Semiconductors designed for operation in cryogenic environments (at or below 77 Kelvin); and

(h) Any other semiconductors that the Secretary, in consultation with the Secretary of Defense and the Director of National Intelligence, determines is critical to national security and issues a public notice of that determination.

eCFR data current as of: November 6, 2026

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.