Zoned wafer drying infrared panel

Thu, 02 Jul 2026 08:57:34 +0800

On the fab floor, a 5 nm node doesn’t leave you any room to drift. A 0.3°C hotspot across the wafer can shift CD and leave photoresist residues after etch. And conventional drying? You know how it goes — edges still damp. Spin-only methods waste solvent and keep you up at night about particles. We built a zoned infrared panel to take that uncertainty out right where the wafer leaves the clean rinse. The heart of it is short-wave infrared with zoned control. Each zone holds setpoint stability to ±0.1°C, so the whole wafer gets the same thermal budget. The panel profile is thin, fits Class 1–100 cleanrooms, and the face stays cool enough to keep particle generation near zero. What you get is repeatable dry-down without pushing the photoresist into flow. Soft bake and hard bake windows stay intact, and you clear residual film on patterned wafers without having to re-expose. In practice, you pick up cycle time and yield. Dry time drops because the energy hits the film, not the carrier. Energy use falls since only the active zones are running, and unplanned downtime drops with a design that takes 24/7 duty and field-replaceable modules. You end up with consistent bead break, lower solvent consumption, and tighter CD control through lithography and etch. Installation is straightforward, but the chamber geometry is what matters. Match the panel footprint to the chuck and confirm clearances for the robot end-effectors. It integrates with existing controls through standard interfaces, and tuning the zone map to your process recipe is a quick on-site step. Just specify voltage and connector type up front and save yourself a rework. Zoned infrared drying isn’t a one-size-fits-all swap for every line. It lands best where thermal uniformity is the dominant limiter. If your line is chasing yield at advanced nodes, this panel gives you the control you need to hold the window.

Zoned on Extra Performance IR Heating

Zoned wafer drying infrared panel