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Design Guidelines

Use the tables below to review parameters and guidelines.

Most values listed are typical but can be further improved with investment. Edge generally meets or exceeds all tolerances achievable by injection molding.

Parameter Typical Value Best Value
Aspect Ratio Up to 6:1 > 10:1
Maximum Draft Angle slightly negative
Smallest Feature Width 2 µm ~ 0. µm
Smallest Feature DEPTH 2 µm ~ 0.3 µm
Part Thickness 100 µm-15 mm
Thickness Variation per Linear Centimeter < 10 µm < 4 µm
Min-Max Thickness Difference Over 4” Square Part 100 µm 40 µm
Surface Roughness (Ra) 50 nm 20 nm
Parameter Tolerance From Design Part-to-Part Variation
Outer Part Parameter ± 0.1 mm ± 0.1 mm
Average Part Thickness ± 0.1 mm ± 0.05 mm
µChannel/µFeature Width ± 2% or ± 1µm ± 1%
Microchannel/Microfeature Depth ± 5% ±1%
Microfeature Dimensions (Width and Depth) ± 5% ±1%
Macro X-Y Spacing Between µFeatures ± 0.2% ±0.1%
Macro X-Y Spacing Between µFeatures and Macrofeatures ± 0.1 mm ±0.2%

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