Substratum,hemi-spherical %Ysu613mz
Flatness L/2 @633 nm on flat surface or better(specify). lM C4j
Figure irregularity L/10@633nm. twqjaFA>
no chips exceeding 1%|+yu1
Thickness specified at the edge, all types. !ec\8Tj
Substratum BK7 D20×5 PCX f+ 300 mm :2?J#/o
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!