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Fabrication Protocols

Design Rules & DRC Constraints

"Defining the boundary between math and matter. Ensure your GDSII layouts comply with our agile foundry constraints to ensure high-yield fabrication."

Critical Fabrication Constraints

ParameterLimit / RangeRemarks
Minimum Feature Size (CD)10 nmMaterial dependent (TiO2/Si)
Minimum Gap (Trench)15 nmAspect ratio restricted
Side Wall Angle88° - 92°Optimized for Metalens
Max Etch Depth1.5 μmHigh-selectivity ICP process
Overlay Accuracy< 20 nmEBL Multi-layer alignment
Substrate Sizes1cm x 1cm to 4"Custom shapes supported

AKESO ntnb Fabrication Standards