If you properly sanction China it would be very difficult for them to make anything 28nm+. A lot of stuffs have to be imported from foreign countries so if US can convince JP/SK/EU to join the sanction it would be tough time for China.
Making hypersonic missiles or any military equipment is a different story as:
- You don't have to care about quality. You can make 100 chips, fail 90 and still have 10 to use, which is OK for military but would be a disaster for civilian;
- Worst case you can use espionage or diplomatic channels to find a small number of chips. You can't do that with mass market products.
Comments
If you properly sanction China it would be very difficult for them to make anything 28nm+. A lot of stuffs have to be imported from foreign countries so if US can convince JP/SK/EU to join the sanction it would be tough time for China.
Making hypersonic missiles or any military equipment is a different story as:
- You don't have to care about quality. You can make 100 chips, fail 90 and still have 10 to use, which is OK for military but would be a disaster for civilian;
- Worst case you can use espionage or diplomatic channels to find a small number of chips. You can't do that with mass market products.