Substratum,hemi-spherical ?vbDB 4
Flatness L/2 @633 nm on flat surface or better(specify). P.4E{.)(
Figure irregularity L/10@633nm. W7e4pR?w
no chips exceeding jPwef##~7
Thickness specified at the edge, all types. EZAm)5:]A
Substratum BK7 D20×5 PCX f+ 300 mm lSCY5[?
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!