Introduction | Substrate Materials | Substrate Specifications

Substrate Sizes

TecOptics supplies flat and spherical substrates in all shapes and sizes up to 26” (700mm) diameter. Following are general specifications for standard fused silica substrates. We are always happy to quote on other materials and sizes.

-Maximum Diameter -26”
-Flatness -l/10
-Radii of curvature -100mm to 10m
-Diameter Tolerance -+0.0mm,-0.2mm
-Thickness Tolerance - -0.2mm
-Surface Quality -Ultrafine Polish
-Scratch – Dig -10 – 5
-Surface Roughness -0.3nm RMS
-Chamfer -45 Protective Bevel
-Standards -MIL-G-174B, MIL-O-13830, DIN 3140-
        
-Standard Stock Sizes -
-Diameter -Thickness
0.5” .125”
1.0” .25”.-
2.0” .375”
3.0” .5”---
4.0” .5”---
6.0” 1.0”-.---
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