A bipartisan group of US senators has raised concerns about Intel Corp. testing semiconductor manufacturing tools connected to companies with operational ties to China. The lawmakers warned that such equipment could pose national security risks and affect US technological leadership.
The letter, sent to Intel CEO Pat Gelsinger by Senators Elizabeth Warren and Tom Cotton, highlighted the use of equipment produced by ACM Research Inc.. Two of ACM’s overseas units have previously been placed on the US government’s entity list over fears they could support China’s defence-related chip development.
Senators requested details on Intel’s internal review process, consultation with regulatory agencies, and measures to prevent sensitive technology from being accessed by foreign entities. They asked for Intel’s response by March 20.
Intel responded that the tools in question were not deployed in production lines and emphasised its compliance with US export control regulations. ACM Research did not immediately comment on the matter.
The inquiry reflects growing scrutiny of how US technology firms interact with global suppliers amid increasing competition with China in semiconductors and other strategic sectors. Even the testing of equipment from sanctioned firms could inadvertently share technical knowledge, the senators warned.
Experts say this incident underscores the challenge of balancing domestic innovation, national security, and global supply chain integration. The CHIPS and Science Act, which provides federal funding to strengthen US semiconductor production, makes such oversight increasingly important.
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