3 nanometers refers to the key size of node technology, and this size is not the geometric size that the chip can see with the naked eye (generally millimeter to centimeter level), but generally refers to the gate length.
In the process of independent core making in China, the importance of semiconductor equipment is infinitely amplified, especially the lithography machine known as the crown pearl of the industry, which is the \"barrier\" that we must cross to achieve the goal of \"China core\".
Lower power consumption, better performance and faster operation.