China begins mass production of homegrown DUV chipmaking tools

6 pointsposted 6 hours ago
by yogthos

2 Comments

DivingForGold

5 hours ago

... Immersion DUV prints 28nm-class features in a single exposure and reaches 7nm through multipatterning, at a cost in overlay errors and yield. ...

So, this is not EUV, this is still DUV, which still means substantially reduced yield due to overlay errors.

yogthos

4 hours ago

You have to start somewhere.