2012 designed lithography machine (lithography), also known as mask alignment exposure machine, exposure system, lithography system, etc., is the core equipment for manufacturing chips. It uses a technology similar to photo printing to print the fine graphics on the mask plate onto the silicon wafer through light exposure.
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We can only produce 7.5Nm now, the smallest looks like 3Nm in the west.
Is China short of high-end lithography machines?
Let's take a look at some details.
Major
Big Brother Niu
Professional large-scale equipment
This is OK