Substratum,hemi-spherical )R@M~d-o
Flatness L/2 @633 nm on flat surface or better(specify). OXIy0].b
Figure irregularity L/10@633nm. /Ym!%11`
no chips exceeding F vae lB
Thickness specified at the edge, all types. 1J @43>u{
Substratum BK7 D20×5 PCX f+ 300 mm =?s0.(;
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!