Substratum,hemi-spherical [9\Mf4lh#
Flatness L/2 @633 nm on flat surface or better(specify). i7\MVI8
Figure irregularity L/10@633nm. Su*Pd;
no chips exceeding Nl9}*3r
Thickness specified at the edge, all types. PKYm{wO-
Substratum BK7 D20×5 PCX f+ 300 mm 2D4c|R@+
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!