Republican lawmakers decry Intel's testing of Chinese-linked tools after Reuters report

By Alexandra Alper

WASHINGTON, Dec 17 (Reuters) - Republican lawmakers accused Intel this week of threatening U.S. national security after Reuters revealed the chipmaker was evaluating chipmaking equipment made by a company with deep ties to China and ​overseas units sanctioned by the U.S. government.

Intel, whose CEO came under pressure from President Donald Trump to resign in ‌August over his alleged ties to China, got the tools from ACM Research, a Fremont, California-based producer of chipmaking equipment.

The tools were tested for possible use ‌in Intel's most advanced chipmaking process, known as 14A.

Two of ACM's units were among a number of firms barred last year from receiving U.S. technology over claims they supported Chinese government efforts to harness commercial technology for military use and making advanced chips or chipmaking tools. ACM denies the allegations. Shares of its Shanghai unit rose 8% the day the story was published.

"Testing Chinese-linked tools for U.S. chip ⁠manufacturing opens the door for the (Chinese Government) ‌to manipulate or compromise our most advanced semiconductor capabilities," Republican Senator Marsha Blackburn said in a statement to Reuters. "It is egregious that Intel would put American national and economic security at risk."

Blackburn called for ‍the passage of legislation she co-sponsored to bar chipmakers that have received billions in U.S. government subsidies from using Chinese equipment as part of their government-backed expansion plans.

Reuters could not determine if Intel had made a decision to add the tools to the chipmaking process and has no ​evidence that the company violated any U.S. regulations.

ACM did not respond to a request for comment. Intel reiterated that it ‌was not using ACM tools to produce chips currently and that it complies with U.S. laws and regulations.

Intel said it takes "U.S. national security responsibilities extremely seriously and operates under rigorous IT and cyber security protocols" to protect sensitive information.

The company limits the data any individual tool can receive during manufacturing, ensures tools cannot connect with each other, and monitors communications from all equipment, it added.

Intel also said it engages regularly with lawmakers, regulators and U.S. government customers about manufacturing and security and welcomes continued dialogue with ⁠policymakers to address any concerns.

China hawks said the fact that Intel, which ​is now part-owned by the U.S. government, would consider adding tools made by ​a firm with sanctioned units into its most advanced manufacturing line, raised important national security concerns.