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China, Chinese 304 Stainless Steel Vacuum Brazed CF Flanged Sapphire Viewports Are Rated for Both High Vacuum (HV)1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Ceramic MaterialMetal CeramicsCF Flanged Sapphire ViewportsCF Flanged Sapphire
Xiamen Innovacera Advanced Materials Co., Ltd.
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Product Description High-purity Sapphire viewports offer a hermetically-sealed lens with upgraded optical, mechanical, and corrosion properties across a wide spectrum. Innovacera's Sapphire viewports are rated for high vacuum(HV) and ultrahigh vacuum(UHV) applications.Using high-purity sapphire and low-expansion alloys allows these viewports to be repeatedly baked out at temperatures up to 350°C. The crystal orientation of our sapphire viewports is normal to the optical axis, also referred to as a 90° orientation. All viewports up to one inch in diameter are made with UV-grade sapphire. Features:* Single-crystal Sapphire* Positioning/direction: 0-90°* Ultraviolet and regular grades* Optically polished substrate faces* UHV compatible construction* High Temperature rated to 350°C* Stainless steel / NiFe construction* Custom Solutions By Customer Request PropertyValueChemical FormulaSapphire(99.99%Al2O3)MechanicalDensity3.97 gm/ccHardness22.5 GPaModulus of Elasticity470 GPaFlexural Strength690 MPaCompressive Strength2940 MPaPoisson's Ratio-Fracture Toughness-ElectricalDielectric Strength48 ac V/mmDielectric Constant9.3 (@ 1 MHz)Volume Resistivity10^14 ohm-cmDielectric Strength48 ac V/mmThermalCoefficient of Thermal Expansion5.3 x 10^-6/°CThermal Conductivity41 W/(m*K)Specific Heat0.75 x10^3 J/(Kg*K)Shock Resistance-Maximum Working Temperature1900 °COpticalIndex of Refraction1.762Birefringence-Transmission Band-
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