Substratum,hemi-spherical &oNy~l
o
Flatness L/2 @633 nm on flat surface or better(specify). u\>Ed9^
Figure irregularity L/10@633nm. v!40>[?|p
no chips exceeding O4(
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Thickness specified at the edge, all types. ?^k-)V
Substratum BK7 D20×5 PCX f+ 300 mm *bwLih!}H
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!