Substratum,hemi-spherical pFIecca w
Flatness L/2 @633 nm on flat surface or better(specify). %#k,6;m
Figure irregularity L/10@633nm. 7/>a:02
no chips exceeding M+ aEma
Thickness specified at the edge, all types. v2J0u:#,
Substratum BK7 D20×5 PCX f+ 300 mm RvW.@#EH0
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!