Photon Capital(@PhotonCap):- Chinese fabs acquired approximately 343 immersion DUV lithography systems by early 2026, per CTS report from late September. - Report authored by former US export control official Nicholas Brown and White House technology adviser Saif Khan. - Findings fuel Washington debate on imposing total export ban of immersion DUV tools to China. > The accumulation of DUV immersion systems in Chinese fabs presents a quantified case for stricter export controls, potentially influencing US semiconductor supply chain policy and $ASML's market access to China.

Photon Capital

@PhotonCap

Seeing tech through a different wavelength. Photonics & semiconductor research

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Photon Capital@PhotonCap

2026.10.03 05:16

- Chinese fabs acquired approximately 343 immersion DUV lithography systems by early 2026, per CTS report from late September. - Report authored by former US export control official Nicholas Brown and White House technology adviser Saif Khan. - Findings fuel Washington debate on imposing total export ban of immersion DUV tools to China. > The accumulation of DUV immersion systems in Chinese fabs presents a quantified case for stricter export controls, potentially influencing US semiconductor supply chain policy and $ASML's market access to China.

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