Used as transparent barriers for sending and receiving light between two phases under varying conditions in temperature pressure chemical composition cleanliness and phase. Silicon crystal windows used primarily for light in the infrared region of wavelengths of 6μm or less at which silicon crystal offers higher internal transmittance.
Standard Specifications
Items
|
Specifications
|
Material
|
Silicon (Si)
|
Density
|
2.33g/cm3
|
Heat Transfer Coefficient
|
148 W/m・K
|
Dimension Tolerance
|
+0.0/-0.2 mm
|
Thickness Tolerance
|
± 0.2 mm
|
Clear Aperture
|
> 90%
|
Parallelism
|
< 3 arc minutes
|
Flatness
|
λ/4 at 632.8 nm
|
Surface Quality
|
scratch and dig 60-40
|
Bevel
|
0.5 (0/-0.3) mm
|