Substratum,hemi-spherical mrP48#Y+l
Flatness L/2 @633 nm on flat surface or better(specify). yS
W$zA,
Figure irregularity L/10@633nm. 1_]X
no chips exceeding E(r_mF7:
Thickness specified at the edge, all types. [<RhaZz
Substratum BK7 D20×5 PCX f+ 300 mm L1SKOM$
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!