Substratum,hemi-spherical @y6^/'
Flatness L/2 @633 nm on flat surface or better(specify).
Xi~I<&
Figure irregularity L/10@633nm. |Qpd<L
no chips exceeding .3>q3sS
Thickness specified at the edge, all types. feM(
Substratum BK7 D20×5 PCX f+ 300 mm Yf1%7+V35
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!