|
Material |
Corning 7980 High Purity Fused Silica Glass |
|
All surfaces polished |
20 angstroms |
|
Dimensional tolerance |
±0.1mm |
|
Parallelism |
3 arc minutes |
|
Perpendiculary |
15 arc minutes |
|
Bevels |
0.5mm bevels polished |

