Substratum,hemi-spherical n+Bh-a V
Flatness L/2 @633 nm on flat surface or better(specify). *p&c}2'
Figure irregularity L/10@633nm. 4|PNsHXt
no chips exceeding ah1DuTT/G
Thickness specified at the edge, all types. &2i3"9k
Substratum BK7 D20×5 PCX f+ 300 mm /d<"{\o
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!