With “Big Chip,” China Lays Out Aspirations For Waferscale

By Timothy Prickett Morgan

January 3, 2024 -- The end of Moore’s Law – the real Moore’s Law where transistors get cheaper and faster with every process shrink – is making chip makers crazy. And there are two different approaches to making more capacious but usually not faster compute engines – breaking devices into chiplets and linking them together or etching them on an entire silicon wafer – plus a third overlay that both approaches can employ with 2.5D and 3D stacking of chips to extend capacity and function.

No matter what, all of these approaches live under the tyranny of the reticle limit of the lithography equipment that is used to etch chips.

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