Substratum,hemi-spherical V(TtOuv
Flatness L/2 @633 nm on flat surface or better(specify). X`g<"Ka
Figure irregularity L/10@633nm. KiXfR\S~C
no chips exceeding `/WxEu3
Thickness specified at the edge, all types. JzEg`Sn^
Substratum BK7 D20×5 PCX f+ 300 mm j/TnKO
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!