Zoned wafer drying infrared panel

Mon, 29 Jun 2026 02:27:21 +0800

On the 300 mm line, a thin water film hanging around after cleaning will wreck your yield. Residual moisture throws off the photoresist profile, and uneven drying is basically an open invitation for particles. We built the zoned wafer drying infrared panel to fix that, swapping broad-beam heat for controlled, localized energy that dries the wafer without stressing the film. The panel runs on short-wave infrared emitters, set up in independently controlled zones. Each zone holds wafer-level uniformity within ±0.1°C across the surface, so your thermal budget stays tight and repeatable. The quartz face and sealed housing keep particle generation at zero, which holds up cleanroom classes 1–100. Output per zone is stable from 200 W to 1.2 kW, and it’s engineered for 24/7 reliability with zero unplanned downtime. Temperature control lines up with photoresist bake windows, so you get consistent soft bake and hard bake behavior—no overshoot. In practice, that means fewer rework lots and tighter critical dimension control. You can push throughput higher without chasing rejects, and you cut energy use because heat is applied only where it’s needed. For post-clean drying and resist processing, the panel keeps the wafer dry, the resist profile intact, and the line moving. Installation is straightforward, but alignment is the part you can’t gloss over. The panel has to be positioned to match the wafer path and exhaust geometry, or you’ll end up re-entraining moisture. It integrates with standard interfaces, but you need a dedicated cooling path to keep emitter temperature stable. Plan for that thermal return, and the panel delivers repeatable drying shift after shift.

Zoned on Expert Warm IR Heating Solutions

Zoned wafer drying infrared panel