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Comment by daedrdev

3 days ago

That's the idea in the article. Just one big chip. But the reason why it's normally done is that there is a pretty high defect rate, so cutting if every wafer has 1-2 defects you still get (X-1.5) devices per wafer. In the article thy go into how they avoid this problem (I think its better fault tolerance, at a cost)

The article shows them using a single maximally sized square portion of a circular wafer.

I think the proposal you're responding to is "just use the whole circular wafer without cutting out a square".