Substratum,hemi-spherical ho#]i$b}f2
Flatness L/2 @633 nm on flat surface or better(specify). rULrGoM
Figure irregularity L/10@633nm. tl |Qw";I
no chips exceeding Dz4fP;n
Thickness specified at the edge, all types. ALqP;/
Substratum BK7 D20×5 PCX f+ 300 mm \Lxsg!wtJ
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!