Substratum,hemi-spherical dc)Gk
Flatness L/2 @633 nm on flat surface or better(specify). ~ #CCRUhM
Figure irregularity L/10@633nm. D6u>[Z[T
no chips exceeding =+p+_}C
Thickness specified at the edge, all types. @2gMtf?<
Substratum BK7 D20×5 PCX f+ 300 mm UVK"%kW#(
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!