Substratum,hemi-spherical o-OHjFfB
Flatness L/2 @633 nm on flat surface or better(specify). *P2S6z2
Figure irregularity L/10@633nm. :G2k5xD/E
no chips exceeding a^zibPG
Thickness specified at the edge, all types. &3Szje
Substratum BK7 D20×5 PCX f+ 300 mm XkF%.hWo
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!