Substratum,hemi-spherical =Q_1Mr4O
Flatness L/2 @633 nm on flat surface or better(specify). gFTU9k<
Figure irregularity L/10@633nm. f 3H uT=n
no chips exceeding U7x
Thickness specified at the edge, all types. @GKDSS4jv
Substratum BK7 D20×5 PCX f+ 300 mm ,/+Mp
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!