Energy audit for fab drying

Sat, 20 Jun 2026 02:33:29 +0800

On the fab floor, a small drift in the drying step is enough to knock photoresist profiles off spec. You end up scrapping wafers and burning thermal budget for nothing. And the energy waste? It quietly compounds—through inefficient heating cycles and all the recalibration that follows. We built a thermal system that targets both problems: it trims energy use while keeping the thermal envelope tight enough for lithography. What matters, technically Across the bake profile, we hold wafer-level uniformity within ±0.1°C, so soft bake and hard bake stay locked to the recipe. It runs in Class 1–100 cleanrooms without adding particles, which protects yield at critical nodes. The heater architecture is built for 24/7 duty, with zero unplanned downtime and a service life beyond 10,000 hours. Repeatability is measured, not assumed. Consecutive runs hit setpoints without drift, and the control loop stays stable even when line voltage moves around. Why it works in a real fab Energy use here is visible, measurable, and controllable. We run an energy audit that breaks consumption down per batch and per wafer, then tune the thermal ramp and hold to cut excess heat without eating into process margin. You get faster cycles, lower utility spend, and fewer scrapped lots—without shifting the photoresist process window. The payoff is consistent critical dimension control and a lower cost per wafer, month after month. Things to know The platform integrates with existing tracks and ovens, but it needs a dedicated power circuit and a clean air supply to maintain the stated uniformity. Plan for a short commissioning window to align recipe setpoints with your photoresist stack. Once calibrated, it runs as intended—continuous, repeatable, and energy-aware.

Audit on Warm IR Halogen Heating

Energy audit for fab drying