Substratum,hemi-spherical u`p_.n:5)
Flatness L/2 @633 nm on flat surface or better(specify). Dm4B
Figure irregularity L/10@633nm. 4hNwKe"Ki
no chips exceeding )H+h;U
Thickness specified at the edge, all types. .v7`$(T
Substratum BK7 D20×5 PCX f+ 300 mm o_:Qk;t
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!