Hot plate replacement infrared heater

Tue, 23 Jun 2026 13:14:35 +0800

On the fab floor, a soft bake that drifts even a fraction of a degree throws photoresist profiles off target. The line stops, particle count climbs, and yield slips before defect review. We built our infrared replacement heaters to take that variability out of the thermal step, so your lithography stays in spec, shift after shift. The core is a short-wave infrared emitter matched to the absorption of common photoresist chemistries. You get wafer-level thermal uniformity of ±0.1°C from a quartz-based design that couples energy efficiently and holds temperature with tight repeatability. The heater body fits standard hot plate footprints, is cleanroom Class 1–100 compatible, and is built to generate zero particle excursions. In practice, that means soft bake and hard bake profiles stay stable over thousands of cycles, and critical dimension control improves without chasing thermal drift. You get process stability first. Tighter photoresist bake temperature precision cuts line-to-line bias and reduces scrap. Energy use drops because the heater hits setpoint fast and holds it with minimal overshoot. Reliability is engineered for 24/7 operation, so unplanned downtime and emergency spares costs go down. The payoff is higher yield and predictable uptime—two levers that move the fab’s bottom line. Installation is straightforward on most platforms, but the geometry is sensitive. Confirm clearances for the emitter, reflector, and sensor before the swap, and make sure your temperature control loop can keep up with the heater’s response time. Expect a short tune-in period to let the recipe fully lock in the improved uniformity.

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Hot plate replacement infrared heater