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In theory, 1nm is not the limit of chip technology.
In the future, the materials used to make chips may be more diverse. At present, most chips are based on silicon, and the accuracy of silicon-based chips can only reach 1nm. At present, the technology to manufacture 1-nanometer chips is still in the research and experimental stage, and has not been applied to large-scale commercial production. However, with the development of the semiconductor industry, the technology for manufacturing 1-nanometer chips will gradually mature. However, it is worth noting that with the continuous reduction of chip size, it is facing the dual challenges of manufacturing difficulty and cost.