Substratum,hemi-spherical ))m\d *
Flatness L/2 @633 nm on flat surface or better(specify). Kab"r_'
Figure irregularity L/10@633nm. jez=q
no chips exceeding hB/4.K ]8
Thickness specified at the edge, all types. :bt;DJ@
Substratum BK7 D20×5 PCX f+ 300 mm /vC|_G|{
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!