United States: In a bid to ease the burden of a new crackdown on the Chinese chip sector, the US government on Tuesday banned at least two non-Chinese chip makers operating in China from their suppliers without requesting licenses. and allowed to receive services. Also Read: Apple iPhone SE 4 might have a 6.1-inch LCD screen with a top notch According to sources, the Biden administration had hoped to protect foreign firms doing business in China such as South Korean memory chip maker SK Hynix and Samsung Electronics from the ill effects of the new rules, but the rules released on Friday did not. As written, as part of a U.S. effort to halt Beijing's technological and military advances, Chinese factories producing advanced chips are licensed by regulations seeking prior U.S. exports. The US intended to grant permits to supply non-Chinese chip factories on an individual basis, while permits for Chinese chip makers would be denied. As of midnight Tuesday, sellers may not authorize, direct or solicit support, service or shipment of non-US supplies to such China-based factories without appropriate authorization. Also Read: NASA uses an X-ray filter to improve James Webb Space Telescope images However, whether the license is granted or not, the time taken to complete the process may stall production and delay shipping. A spokeswoman for the US Commerce Department declined to directly respond to a request for comment regarding the authorizations, but said the department hopes to hear feedback from stakeholders about the rule and may take the changes into account. Also Read: Tech war: China's drive toward chip self-sufficiency is under attack A request for comment from a White House spokesperson also did not elicit a response.