Medium wave quartz heater tube

Fri, 19 Jun 2026 02:27:53 +0800

On the 300mm line, a 0.5°C drift during photoresist bake won’t show up as a big red alarm. It shows up as line-width excursions at metrology, then as scrap wafers. The thermal budget is already tight, so the heater can’t just be a heat source—it has to behave like a metrology tool. What matters, technically Medium wave quartz gives you fast, stable radiant heat with strong absorption right in the resist bake band, so response time improves and thermal lag drops. Our tube holds ±0.1°C uniformity across the hot zone, measured at the wafer plane—not on the susceptor. Cleanroom compatibility is baked into the design: Class 1–100 compliant materials, low outgassing, and surfaces that don’t generate particles. You get repeatable bake profiles—soft bake and hard bake—without hot spots or edge roll-off. Why it holds up in production You’re running lithography with tight CD control and low defect counts. This heater keeps the thermal profile consistent lot after lot, so you cut rework and protect yield. Fast settling shortens bake steps without giving up uniformity, which helps throughput. Energy use comes down because the radiant coupling is direct and the system spends less time chasing setpoints. Reliability comes from long-life quartz and solid terminations, so it can run 24/7 with fewer unplanned stops. What you need to watch Mounting and clearance aren’t optional. The tube has to align precisely to the reflector geometry; otherwise you lose uniformity and risk localized overheating. Before changeover, verify your chamber interface—flange, connector, and thermal mass. There’s a short warm-up stabilization window before the control loop locks in at ±0.1°C. Plan your spares around your preventive maintenance cycle.

Medium on Advanced Infrared Heating Systems

Medium wave quartz heater tube