US Said to Consider Crackdown on Chinese Memory Chip Manufacturers: All Details

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US Said to Consider Crackdown on ******** Memory Chip Manufacturers: All Details

The ******* States is considering limiting shipments of ********* chipmaking equipment to memory chip makers in China including Yangtze Memory Technologies Company Limited (YMTC), according to four people familiar with the matter, part of a bid to halt China’s semiconductor sector advances and protect US companies.

If President Joe Biden’s administration proceeds with the move, it could also hurt South Korean memory chip juggernauts Samsung Electronics and SK Hynix, the sources said, speaking on condition of anonymity. Samsung has two big factories in China while SK Hynix is buying Intel’s NAND flash memory chips manufacturing business in China.

The crackdown, if approved, would involve barring the shipment of US chipmaking equipment to factories in China that manufacture advanced NAND chips.

It would mark the first US bid through export controls to target ******** production of memory chips without specialized military applications, representing a more expansive view of ********* national security, according to export control experts.

The move also would seek to protect the only US memory chip producers, Western Digital and Micron Technology, which together represent about a quarter of the NAND chips market.

NAND chips store data in devices such as smartphones and personal computers and at data centres for the likes of

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,

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and

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. How many gigabytes of data a phone or laptop can hold is determined by how many NAND chips it includes and how advanced they are.

Under the action being considered, US officials would ban the export of tools to China used to make NAND chips with more than 128 layers, according to two of the sources. LAM Research Corp and Applied Materials, both based in Silicon Valley, are the primary suppliers of such tools.

All the sources described the administration’s consideration of the matter as in the early stages, with no proposed regulations yet drafted.

Asked to comment on the possible move, a spokesperson for the Commerce Department, which oversees export controls, did not discuss potential restrictions but noted that “the Biden administration is focused on impairing (China’s) efforts to manufacture advanced semiconductors to address significant national security risks to the ******* States.”

Fast-growing company

YMTC, founded in 2016, is a rising power in manufacturing NAND chips. Micron and Western Digital are under pressure from YMTC’s low prices, as the White House wrote in a June 2021

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. YMTC’s expansion and low-price offerings present “a direct threat” to Micron and Western Digital, that report said. The report described YMTC as China’s “national champion” and the recipient of some $24 billion in ******** subsidies.

YMTC, already under investigation by the Commerce Department over whether it violated US export controls by selling chips to ******** telecoms company Huawei, is in talks with

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to supply the top US smartphone maker with flash memory chips, according to a Bloomberg report.

LAM Research Corp, SK Hynix and Micron declined comment on the US policy. Samsung, Applied Materials Inc, YMTC and Western Digital Corp did not immediately respond to requests for comment.

Congress acts

Tensions between China and the ******* States over the tech sector deepened under Biden’s predecessor Donald Trump and have continued since. Reuters reported on July 8 that Biden’s administration is also considering restrictions on shipments to China of tools to make advanced logic chips, seeking to hamstring China’s largest chipmaker, SMIC.

The US Congress last week approved legislation aimed at helping the ******* States compete with China by investing billions of dollars in domestic chip production.

Chipmakers that take money under the measure would be prohibited from building or expanding manufacturing for certain advanced chips, including advanced memory chips at a level to be determined by the administration, in countries including China.

According to Walt ***** of the consulting firm Yole Intelligence, YMTC accounts for about 5 percent of worldwide NAND flash memory chip production, almost double from a year ago. Western Digital stands at about 13 percent and Micron 11 percent. ***** said YMTC would be greatly hurt by restrictions like those that Biden’s administration is contemplating.

“If they were stuck at 128, I don’t know how they would really have a path forward,” ***** said.

Production of NAND chips in China has grown to more than 23 percent of the worldwide total this year from under 14 percent in 2019, while production in the ******* States has decreased from 2.3 percent to 1.6 percent over the same *******, Yole data showed. For ********* companies, nearly all of their chip production is done overseas.

It was unclear what impact the potential restrictions might have on other players in China. Intel, which retains a contract to manage operations in the factory it is selling to SK Hynix in China, is already producing memory chips with 144 layers at the ******** site, according to an Intel press release.

© Thomson Reuters 2022

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