Extreme UV (EUV) resist heater parts

Mon, 22 Jun 2026 19:15:57 +0800

On an EUV lithography floor, the resist bake isn’t just a thermal step you check off. It’s where linewidth control and your defect budget are decided. A few tenths of a degree drift—or even a low particle signature—can push CD uniformity out of spec and turn a whole lot of wafers into scrap. We built our EUV resist heater parts to take that variability off the table. Here’s what actually matters under the hood. The system leans on short-wave and medium-wave infrared emitters matched to the photoresist absorption, so the bake profile stays stable across the wafer. Temperature uniformity holds at ±0.1°C across the active zone, and you get repeatability lot-to-lot. The assembly is quartz and halogen, and it runs clean—zero particle emission in Class 1–100 cleanroom conditions. It keeps output consistent through 24/7 duty cycles, with no unplanned downtime traced back to the heater. On an EUV resist line—soft bake, hard bake, and thermally driven adhesion—wafer-level thermal uniformity is the lever that moves yield. Tight temperature control shortens qualification cycles, cuts scrap, and trims energy use by killing overshoot and those rework bakes. The payoff is predictable CD performance and a process window that doesn’t fight you. A couple of practical notes. The heater parts fit the major EUV track platforms, but integration has to respect chamber geometry and airflow so the thermal profile stays intact. Expect to plan a calibration offset when you swap emitters, and run a preventive replacement schedule tied to hours and temperature history. Treat the thermal budget as a controlled variable, not something you manage by tolerance.

EUV on Advanced Carbon Infrared Heaters

Extreme UV (EUV) resist heater parts