Substratum,hemi-spherical E5lBdM>2
Flatness L/2 @633 nm on flat surface or better(specify). .oUTqki
Figure irregularity L/10@633nm. |:<f-j7t~
no chips exceeding 7 uKY24
Thickness specified at the edge, all types. >!1.
Substratum BK7 D20×5 PCX f+ 300 mm ~-J]W-n
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!