Substratum,hemi-spherical @*0cMO;SpG
Flatness L/2 @633 nm on flat surface or better(specify). V7Z4T6j4
Figure irregularity L/10@633nm. S@}1t4Ls:
no chips exceeding Iq# ZhAk
Thickness specified at the edge, all types. b{d4xU8'
Substratum BK7 D20×5 PCX f+ 300 mm P7 ]z
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!