Substratum,hemi-spherical XxqGsGx4
Flatness L/2 @633 nm on flat surface or better(specify). gLiJ&H
Figure irregularity L/10@633nm. tjdPia
no chips exceeding WhPP4 #
Thickness specified at the edge, all types. Hq@+m!
Substratum BK7 D20×5 PCX f+ 300 mm 3^xUN|.F*V
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!