Sydor Optics manufactures precision glass wafers based on your custom specifications. Common glass wafer substrate materials include Fused Quartz, Fused Silica, Borofloat, B 270, N-BK7, Zerodur, ULE, Silicon and more. • Glass Wafer Manufacturing Limits (part size, material type and thickness dependent): • Diameter: ≤ 450mm • Thickness: ≥ 0.1mm • Thickness Tolerance: ± 0.003mm • Bow / Warp: ≥ 3μm • TTV: ≤ 1μm • Surface Roughness: ≥ 5 Å rms • Parallelism: ≥ 1 arc seconds • Cosmetics (MIL-PRF-13830B): 60-40 to 10-5 • Edge Exclusion Zone (Clear Aperture): ≥ 3mm • Transmitted Wavefront Error (TWE): ≥ 1/10 wave over 25mm sub-aperture • Reflected Wavefront Error – RWE (Local Site Flatness): ≥ 1/10 wave over 25mm sub-aperture • Bevels: 45° or c-bevel • SEMI Notch: yes • SEMI Flat: primary & secondary Sydor Optics is a custom manufacturer of precision flat-surfaced, parallel and wedged glass optical components specializing in double-sided polishing, continuous pad & pitch polishing, CNC machining and laser machining. Prototype to high-volume products include wafers, windows, filters, mirrors, optical flats, wedge prisms, light pipes, plate beamsplitters, and coating witness samples. Finished optical products go through a meticulous visual inspection process utilizing a wide range of state-of-the-art metrology equipment. Additional capabilities include ultrasonic cleaning in a cleanroom environment and cleanroom packaging. Sydor Optics is ITAR Registered and ISO 9001:2008 Certified.