Substratum,hemi-spherical /YZr~|65
Flatness L/2 @633 nm on flat surface or better(specify). a)wJT`xu
Figure irregularity L/10@633nm. -r-k_6QP
no chips exceeding {NHdyc$
Thickness specified at the edge, all types. |&RU/ a
Substratum BK7 D20×5 PCX f+ 300 mm rg^'S1x|
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!