There are many free patterns for sewing a mask ... You can even sew a face mask lined with a vacuum filter, which some say could be more effective at filtering particles. There are also no ...
“Full-chip curvilinear inverse lithography technology (ILT) requires mask writers to write full reticle curvilinear mask patterns in a reasonable write time. We jointly study and present the benefits ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果