SemiconFab.org

Semiconductor Fab Digital Twin

Launch 3D Twin
OPEN INITIATIVE · FAB DIGITAL TWIN · REALISTIC CAD

Next-Gen 300mm Semiconductor
Fab Digital Twin Platform

Architectural cleanroom layout, 92+ equipment engineering taxonomy, cascading process yield simulation, and SEMI E10 equipment telemetry.

300mm
12-Inch Wafer Standard
92+
Core OEM Tools
8 Stages
Yield Model Stages
SECS/GEM
Industrial Telemetry
300mm Patterned Wafer · Stepper Die Grid

Core Digital Twin Capabilities

Bridging physical cleanroom architecture with microscopic semiconductor physics in an open digital framework.

Cleanroom Physical Spatial Twin

Instant toggle between architectural 2D floor plans and high-precision 3D cleanroom digital twin with raised perforated flooring and amber lithography core.

CLEANROOM CLASS 1 / ISO 3 Explore 3D →

Verified OEM Equipment Taxonomy

Accurate physical dimensions (W×L×H) and elevation drawings for leading brands: ASML, Lam, AMAT, TEL, KLA, Screen, and DISCO.

92+ TOOLS · 5 DOMAINS View Elevations →

8-Stage Cascading Yield Engine

Surrogate physics model linking material purity, equipment aging, and inter-step queue times into real-time Fab yield and monthly capacity.

CASCADING YIELD WATERFALL Inspect Yield Waterfall →

SECS/GEM Real-Time Telemetry & FDC

SEMI E10 equipment operational state machine (Running, Idle, Down, Maintenance) with live sensor sparklines and fault injection scenarios.

SEMI E10 · 6 SCENARIOS Run Fault Injection →
MES · APC / SPC · YIELD MANAGEMENT SYSTEM (YMS)

Open Semiconductor Manufacturing Stack

Integrating open-source industrial tools, SEMI communication protocols, and physics-based models into an open semiconductor digital ecosystem.

ISA-95 LEVEL 3

SEMI MES & AMHS Logistics

ISA-95 Level 3 execution with SEMI E40/E87/E90/E94 standards, FOUP carrier tracking, and automated fab dispatching.

SECS/GEM Protocol:secsgem (Python)
Fab Dispatching:Google OR-Tools
Discrete Event Sim:SimPy / salabim
LEVEL 2 / 3 APC

Statistical Process Control (SPC/FDC)

Shewhart control charts, Nelson 8 run rules, real-time Cp/Cpk capability, and chamber sensor fault detection.

SPC & Capability:pyspc · mfgQC
In-DB SQL Control:spc-kit (PostgreSQL)
Chamber Anomaly:PyOD · tsfresh
LEVEL 4 YMS

Yield Management & Spatial Defects

WM-811K benchmark defect patterns, 300mm die bin maps, STDF V4 datalog parsing, and Poisson/Murphy yield models.

STDF V4 Datalog:PySTDF · rust-stdf
Wafer Map Render:wafermap (WebGL)
Defect Classifier:WM-811K CNN

Interactive 300mm Wafer Map & Spatial Defect Classifier LIVE DEMO

Test Edge-Ring, Center, Scratch, and Donut defect fingerprints, observe theoretical Poisson vs. Murphy yield calculations, and inspect STDF logs.