Substratum,hemi-spherical *zWWmxcJa
Flatness L/2 @633 nm on flat surface or better(specify). ibdO*E
Figure irregularity L/10@633nm. ~JuKV&&}K
no chips exceeding H<ZU#U0FZf
Thickness specified at the edge, all types. R[1BfZ 6s
Substratum BK7 D20×5 PCX f+ 300 mm "%@uO)A /
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!