Jim Lewis, a technology and cybersecurity expert at the Center for Strategic and International Studies, in Washington DC said the measures would "set the Chinese back years".

Under the new rules, a license is required to ship chip equipment that can make processors and other logic chips using 14/16-nanometer technology or better.

Jim Lewis, a technology and cybersecurity expert at the Center for Strategic and International Studies, in Washington DC said the measures would "set the Chinese back years".

Under the new rules, a license is required to ship chip equipment that can make processors and other logic chips using 14/16-nanometer technology or better.
...
For DRAM chips, the restrictions kick in for tools that are 18-nm or better, while for NAND flash memories the rules apply to machines capable of making chips with 128 or more layers.