U.S. Revokes Waivers for Samsung and SK Hynix, Tightening Semiconductor Controls

The U.S. government has implemented stricter controls on South Korean chipmakers Samsung Electronics and SK Hynix by revoking waivers that previously allowed them to import American semiconductor manufacturing equipment for their factories in China. This decision, announced by the Commerce Department, requires these companies to obtain licenses for any future purchases of U.S. equipment, significantly hampering their operations in China. The revocations will take effect in 120 days, providing a brief window for companies to adjust.

NewsweekU.S. Revokes Special Waiver for Samsung and SK Hynix in China, Deepening Uncertainty for Korean ChipmakersReutersNew York TimesSouth China Morning Post

The restrictions stem from broader U.S. efforts to limit China's access to advanced semiconductor technology, particularly in light of concerns regarding national security and technological competition. The Biden administration initially imposed sweeping export controls in 2022, but Samsung and SK Hynix had benefited from exemptions that allowed them to continue operations without immediate disruption. The recent move by the Trump administration is seen as a step to close what it describes as a loophole from the previous administration.

U.S. Revokes Special Waiver for Samsung and SK Hynix in China, Deepening Uncertainty for Korean Chipmakers

The revocation of the "Validated End User" status, which facilitated quicker access to U.S. equipment, is expected to disrupt production at Samsung and SK Hynix's major plants in China. Industry experts warn that this could hinder their ability to produce advanced chips, potentially allowing Chinese competitors to gain market share. Chris Miller, author of "Chip War," noted that without further actions against Chinese firms, the move risks benefiting companies like Yangtze Memory Technologies Co. (YMTC) and ChangXin Memory Technologies (CXMT).

Reuters

The Commerce Department stated that while it would approve licenses for companies to maintain existing facilities, it would not authorize expansions or upgrades. SK Hynix expressed its intention to maintain close communication with both the South Korean and U.S. governments to mitigate the impact on its business. South Korea's government has emphasized the importance of stable operations for its semiconductor companies in China, given their critical role in the global supply chain.

Reuters

Critics of the new restrictions argue that they could exacerbate tensions between the U.S. and South Korea, particularly as trade negotiations remain unresolved. South Korean President Lee Jae Myung recently left a summit with President Trump without finalizing a tariff agreement, raising concerns about the future of trade relations. Additionally, the uncertainty surrounding U.S. semiconductor policies has led industry officials to express apprehension about the unpredictability of Washington's approach.

New York Times

The upcoming months will be crucial for Samsung and SK Hynix as they navigate the new licensing requirements. The situation may also bolster domestic Chinese equipment manufacturers, who could fill gaps left by the restrictions. Furthermore, U.S. memory chipmaker Micron may benefit from the reduced competitiveness of its South Korean rivals in the global market.

Newsweek

• “What People Are Saying Chris Miller, author of "Chip War," told Reuters, "This move will make it harder for Korean chipmakers with facilities in China to continue producing more advanced chips.” — Chris Miller, Author of "Chip War"

Newsweek

• “The U.S. is issuing new semiconductor rules every few weeks, often shifting direction,” — Industry Official

U.S. Revokes Special Waiver for Samsung and SK Hynix in China, Deepening Uncertainty for Korean Chipmakers

• “, Intel is deeply committed to ensuring the world's most advanced technologies are American made.” — Lip-Bu Tan, CEO of Intel

Newsweek