Substratum,hemi-spherical s%nUaWp~
Flatness L/2 @633 nm on flat surface or better(specify). V3Q+s8OIF
Figure irregularity L/10@633nm.
-D
no chips exceeding -Ta9 pxZk
Thickness specified at the edge, all types. A+ZK4]xb
Substratum BK7 D20×5 PCX f+ 300 mm >z{d0{\
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!