Substratum,hemi-spherical lDS y$
Flatness L/2 @633 nm on flat surface or better(specify). B:>:$LIL
Figure irregularity L/10@633nm. 2)EqqX[D
no chips exceeding VgPlIIHh5
Thickness specified at the edge, all types. /&6{}n
Substratum BK7 D20×5 PCX f+ 300 mm jV%
VN
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!