Oxford Instruments heater element

Fri, 05 Jun 2026 01:07:03 +0800

On the lithography floor, the bake step isn’t just a pause—it’s a tolerance you live by. Soft bake and hard bake temperatures drift, and suddenly your critical dimension control is gone before the etch even hits. When thermal uniformity is off, you don’t just lose yield. You lose the schedule. What actually matters under the hood We built the Oxford Instruments heater element around controlled infrared energy, tuned to how the wafer itself responds to heat. The payoff is wafer-level uniformity within ±0.1°C across the bake surface, and repeatability that keeps run-to-run performance inside tight thermal budgets. The element runs clean in Class 1–100 environments—zero particle generation by design, and no outgassing to contaminate photoresist. It holds stable at high temperature, day after day, with no heater-driven unplanned downtime. Why it sticks in photoresist processing In photoresist, temperature accuracy isn’t abstract—it shows up directly as line-width stability, edge-bead control, and fewer defects. This heater element locks down the bake profile so you can cut rework, reduce scrap, and push more lots through the day. Power use drops because it heats fast and holds temperature without overshoot, and maintenance intervals stretch because the design avoids the hot spots that force early replacement. The details that make it work Installation comes down to strict alignment to the hotplate surface and verified control of the thermal interface. A mismatched interface can create gradients even when the element itself is stable. Pair the element with the right controller and a closed-loop sensor strategy if you want to hold that ±0.1°C performance. And when you swap it out, plan for cleanroom handling and ESD-safe procedures—protect the element and the process chamber at the same time.

Oxford on The Warm IR Heater Shop

Oxford Instruments heater element