Controlled atmosphere bake lamp

Tue, 30 Jun 2026 05:07:26 +0800

Out on the lithography floor, we both know the bake steps aren’t just thermal—they’re yield levers. A 2°C drift in soft bake shows up immediately as CDU spread. A hard bake hotspot? That’s a quiet killer that carves yield loss right into the wafer map. We built the Controlled Atmosphere Bake Lamp to take that variability off the table. What matters under the hood The lamp runs short-wave infrared in a quartz envelope, tuned so you get fast, surface-dominant heating without overshoot. Across the bake zone, we hold wafer-level uniformity at ±0.1°C, and we track repeatability per lot, not just per run. The atmosphere is sealed and controlled, so the bake profile stays consistent whether you’re running N₂, dry air, or a reduced oxygen mix. Cleanroom fit is built in from the start: Class 1–100 operation, with zero particle generation from the lamp module—confirmed by in-line particle counts. The thermal system is sized for 24/7 duty, and we monitor output stability over 5,000+ hours. Why it sticks in photoresist processing Temperature accuracy is the line between rework and shipping good die. You end up with tighter CD control, fewer defocus and scum defects, and film thickness that behaves predictably after bake. The process window opens up because your thermal budget isn’t fighting hot edges and cold corners anymore. Energy use drops, too—setpoint is hit fast, then held steady without oscillation. And downtime falls because the module runs without surprise excursions; replacements are scheduled off data, not gut feeling. What you need to plan for The lamp needs a dedicated power feed and gas supply that match the tool footprint and interface. Installation is straightforward, but you have to re-verify the bake profile whenever you change wafer size, resist chemistry, or the bake recipe itself. Expect a short commissioning run to lock in setpoints and confirm uniformity maps across your product mix.

Controlled on Professional IR Heating Lamps

Controlled atmosphere bake lamp