Substratum,hemi-spherical I7dm \|#
Flatness L/2 @633 nm on flat surface or better(specify). 2(m85/Hr\;
Figure irregularity L/10@633nm. QqiJun_m
no chips exceeding _[OF"X2
Thickness specified at the edge, all types. u C,"5C
Substratum BK7 D20×5 PCX f+ 300 mm rQ~ \~g[tP
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!