◆◆◆ Product——Windows——Fused
Silica Windows
|
| |
Super
Precision
|
High
Precision
|
Standard
Precision
|
Material
|
UV-grade
fused silica
|
Size
|
Dia
3.0～200.0mm x thickness 0.3～60.0mm |
Diameter
Tolerance
|
0/-0.10mm
|
Thickness
Tolerance
|
± 0.2mm |
Clear
Aperture
|
90%
|
Flatness
( @633nm)
|
λ/10
|
λ/4
|
1λ
|
Parallelism
|
10
arc seconds
|
30
arc seconds
|
1
arc minute
|
Surface
Quality |
20/10scratch
and dig
|
40/20scratch
and dig
|
60/40scratch
and dig
|
Bevel
|
0.25mm
x 45
|
Coating
|
Available upon
request
|
