reticle handling

**Reticle Handling** encompasses the **systems and procedures for safely transporting, loading, and storing photomasks** — using specialized containers (SMIF pods, EUV inner/outer pods), automated handling robots, and environmental controls to prevent contamination, damage, and electrostatic discharge during mask transport. **Handling Systems** - **SMIF Pod**: Standard Mechanical Interface pod — sealed container maintaining Class 1 cleanliness during transport. - **EUV Dual Pod**: Inner pod (vacuum-environment) within outer pod — EUV masks require contamination-free, particle-free environment. - **Automation**: Robotic mask handlers load/unload masks from pods to scanners — zero human contact. - **ESD Control**: Electrostatic discharge protection — ionizers, grounding, and conductive containers prevent ESD damage. **Why It Matters** - **Contamination**: A single particle on the mask prints on every wafer — handling must maintain ultra-clean conditions. - **Breakage**: Masks are fragile 6" quartz plates worth $100K-$500K+ — mechanical damage must be prevented. - **Availability**: Automated handling ensures masks are quickly and reliably loaded — minimizing scanner downtime. **Reticle Handling** is **the mask's safe journey** — protecting ultra-valuable photomasks from contamination and damage through every step of their use.