Substratum,hemi-spherical { K_kPgKS
Flatness L/2 @633 nm on flat surface or better(specify). 2iU7 0(H
Figure irregularity L/10@633nm. "GQl~
no chips exceeding p:OPw D+
Thickness specified at the edge, all types. {0@&OO:w
Substratum BK7 D20×5 PCX f+ 300 mm HJC(\\~
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!