The 100nm chip is a low-end chip.
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If the chip is divided by level, it can be divided into high-end chips, mid-end chips, and low-end chips. Chips with a process below 14nm made by the euv lithography mechanism of Asmer in the Netherlands are high-end chips. The mid-end chip is a 22-45nm process and belongs to the mid-end model of the duv lithography machine. The rest belong to low-end chips, and 100nm chips belong to this category.
Domestic reached at least 28nm, some even reached 14nm, like the most powerful etching equipment, reached 5nm, micro semiconductor etching machine, TSMC are in use, as early as 5nm.