1.sapphire windows 2.Dimension:1.5-200mm 3.Corrosion resistant,in high pressure situation 4.S/D:60/40

Polished sapphire wafer 25mm

Sapphire wafer high pressure of sapphire window, high vacuum, or high corrosion environment. Sapphire has a strong fight acid ability, but also has high compressive strength, and high melting point. Chongqing shu state science and technology of production of parallel window with low sapphire deformation, low scattering, GaoPingHang degree, etc 

parameters:

Substrate	SAPPHIRE
Dia.tolerance	+0.0/-0.1mm
Thk tolerance	±0.1mm
Flatness	λ/4 at 632.8nm
Surface quality	S1:40-20,S2
Parallisim	<1'
Clear Aperture	>90%
Chemfer	<0.2×45°
Coating	ARC