UHV Fused Silica (SiO2) Viewports Categories: Fused Silica Viewports DUV Grade EUV 193nm Grade 1.33CF 2.75CF 4.50CF 304SS Low mu SS Fused Silica Viewports DUV Grade EUV 193nm Grade 1.33CF 2.75CF 4.50CF 304SS Low mu SS DUV Grade | 1.33CF | SiO-001 from $280.00 EUV 193nm Grade | 1.33CF | SiO-011 from $470.00 DUV Grade | 1.33CF | Non-Magnetic | SiO-021 from $440.00 EUV 193nm Grade | 1.33CF | Non-Magnetic | SiO-031 from $640.00 DUV Grade | 2.75CF | SiO-002 from $330.00 EUV 193nm Grade | 2.75CF | SiO-012 from $660.00 DUV Grade | 2.75CF | Non-magnetic | SiO-022 from $640.00 EUV 193nm Grade | 2.75CF | Non-Magnetic | SiO-032 from $940.00 DUV Grade | 4.50CF | SiO-003 from $975.00 EUV 193nm Grade | 4.50CF | SiO-013 from $1,525.00 DUV Grade | 4.50CF | Non-Magnetic | SiO-023 from $1,525.00 EUV 193nm Grade | 4.50CF | Non-Magnetic | SiO-033 from $2,125.00 Return to Products Alternative Viewport Materials