#chip manufacturing

Apple首次详细披露了其定制silicon在美国的制造方式，展示了为iPhone和Mac供电的芯片背后的复杂工艺。此举正值这家科技巨头加深国内生产承诺之际，同时全国对半导体自给自足的兴趣日益增长。

A carbon-nanotube-based abrasive achieves over one billion grit, smoothing semiconductor surfaces to within a few atoms while eliminating toxic slurry.