Clean room oven infrared heater

Mon, 29 Jun 2026 03:14:37 +0800

On the lithography floor, a half-degree swing during the photoresist bake is enough to shift critical dimension bias and scrap a whole lot of wafers. In a Class 1–100 cleanroom, the heater has to deliver repeatable temperature without dumping particles or chasing drift. We built our cleanroom oven infrared heaters to be the anchor for that process, not an add-on. What matters, technically We run short-wave infrared elements with fast response and tight spectral control, so the wafer and carrier take the heat directly—not the chamber walls. That gives wafer-level uniformity within ±0.1°C across the bake zone, and setpoint stability better than ±0.2°C under load. Run-to-run temperature repeatability stays under 0.3°C, so your soft bake and hard bake profiles hold steady across lots. The heater package is cleanroom-ready: low-outgassing materials, sealed joints, and an external surface you can wipe without trapping contaminants. Output is driven by solid-state relays with closed-loop monitoring, and every unit ships with a traceable calibration curve. Why it holds up in production Photoresist processing has a tight thermal budget. Our infrared heaters bring the wafer up fast, then hold without overshoot—shortening the bake step while protecting the resist profile. The design keeps particle generation near zero, so you don’t pay for thermal control in yield. Heat goes where it needs to, not into the surrounding air, so energy use drops. In real production, the system runs 24/7 without unplanned downtime from thermal cycling failures, and maintenance stays predictable instead of reactive. What you need to plan for Installation comes down to matching the oven controller interface and confirming voltage and amperage against the existing feeder. Expect a quick commissioning window to tune the PID loop for your carrier mass and thermal load. These heaters are sensitive to line voltage stability—keep the supply regulated so transients don’t show up as temperature noise. And schedule element inspection by operating hours, not calendar time, so uniformity stays where the process needs it.

Oven on Warm IR Gold Coating Heaters

Clean room oven infrared heater