Substratum,hemi-spherical fpMnA
Flatness L/2 @633 nm on flat surface or better(specify). b _Q:v&
Figure irregularity L/10@633nm. J6m`XC
no chips exceeding W?+U%bIZ9
Thickness specified at the edge, all types. <(|No3jx
Substratum BK7 D20×5 PCX f+ 300 mm e| AA7
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!