Photoresist baking lamp

Fri, 26 Jun 2026 04:39:37 +0800

On the lithography floor, the thermal profile in photoresist processing is one of those things you simply can’t negotiate with. If soft bake drifts, solvent evaporation goes sideways. A hot spot during hard bake, and your critical dimensions warp. Both hit yield and burn time. We built our photoresist baking lamps to keep that thermal budget locked down—from soft bake through hard bake—across the whole wafer. What matters under the hood We pair halogen or NIR emitters with quartz optics and closed-loop control to hold wafer-level uniformity at ±0.1°C. The payoff is repeatable bake profiles that keep photoresist thickness and critical dimension steady, lot after lot. Cleanroom Class 1–100 compatibility is baked into the design: low-outgassing materials and a particle-controlled path keep contamination out of the process. Zero particle generation isn’t a tagline—it comes down to filter integrity and chamber airflow that hold counts flat, even during 24/7 operation. Here’s why it holds up in production. You want uptime, not tweaks. These lamps deliver stable output over 5,000+ hours with minimal drift, so unplanned downtime drops and cycle time tightens. Efficient emitters and fast thermal response cut energy use without compromising bake precision. Whether you’re running soft bake to set photoresist viscosity before exposure, or hard bake to lock in the pattern before etch, the same lamp platform reproduces the profile consistently—across wafers and across tools. A few practical notes. Installation is tool-specific. Matching the lamp to the chamber footprint, connector interface, and temperature-control loop means running a short integration checklist with your equipment team. The lamp performs best when chamber reflectivity and cooling are maintained per spec; skimp on those, and you eat into uniformity margin. We provide the interface details and setup routines up front so the first lot qualifies without rework.

Photoresist on Infrared Heat Limited

Photoresist baking lamp