Substratum,hemi-spherical Ec3}_`
Flatness L/2 @633 nm on flat surface or better(specify). >,V9H$n
Figure irregularity L/10@633nm. [\^n=
no chips exceeding 9&-dTayIz
Thickness specified at the edge, all types. nsu@h
Substratum BK7 D20×5 PCX f+ 300 mm t6bV?nc
有哪位哥哥姐姐懂的,幫忙翻譯一下,誠(chéng)謝!!