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Technology@lemmy.mlEnglish · 2 天前

The Chinese County Producing Half the World's Eyeglass Lenses Now Uses Lithography Machines

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The Chinese County Producing Half the World's Eyeglass Lenses Now Uses Lithography Machines

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Technology@lemmy.mlEnglish · 2 天前

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Danyang county, making 50% of global eyeglass lenses, introduces semiconductor lithography to produce nano-structured lenses as thin as 2mm even for 1500-degree prescriptions.

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In China, being socialist, it’s the working class that benefits.

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