Substratum,hemi-spherical =.<S3?
Flatness L/2 @633 nm on flat surface or better(specify). 06r-@iY.]
Figure irregularity L/10@633nm. 7BNu.5*y
no chips exceeding Pr>Pxs r&
Thickness specified at the edge, all types. pz
uR H1[
Substratum BK7 D20×5 PCX f+ 300 mm q8Z,XfF^S
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!