Winter 2025 Cleanroom Closure - Dec 23 - Jan 5

Six Mile Creek in Ithaca, NY is partially frozen with snow on the rocky far bank

A Partially Frozen Six Mile Creek in Ithaca, NY in Winter

Updated Closing Start Date/Time

The CNF Cleanroom will be closed for Cornell's winter break starting 8 AM Dec 23, 2025 and reopening noon Jan 5, 2026.

Note that not all tools will be immediately available when the lab reopens.

The second floor labs, packaging lab, and CAD Room are expected to remain available during the winter break cleanroom closure. And there will be limited staff support for supply and tool issues.