Substratum,hemi-spherical #`6A}/@.+
Flatness L/2 @633 nm on flat surface or better(specify). :('7ly!h
Figure irregularity L/10@633nm. ^Bihm] Aq
no chips exceeding dA<PQKm
Thickness specified at the edge, all types. 36D-J)-Z
Substratum BK7 D20×5 PCX f+ 300 mm Z']D8>d
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!