Substratum,hemi-spherical *8/cd0
Flatness L/2 @633 nm on flat surface or better(specify). $J]NWgXl@
Figure irregularity L/10@633nm. RF~c/en
no chips exceeding ?9T,sX:
Thickness specified at the edge, all types. ;0Ih:YY6
Substratum BK7 D20×5 PCX f+ 300 mm @# .a5
有哪位哥哥姐姐懂的,帮忙翻译一下,诚谢!!