Evatec evaporator heating lamp

Thu, 04 Jun 2026 00:57:21 +0800

On the fab floor, a 0.5°C drift in the photoresist bake is enough to scrap a whole lot. You’re running Evatec evaporators, and the thermal budget is set in stone. The heating lamp is where the process intent actually hits the wafer. If it’s even a little off, lithography overlay takes a hit and edge exclusion starts to creep. What Actually Matters Evatec evaporator heating lamps are built around the thin-film deposition and resist thermal profiles you need. The halogen or NIR emitter throws clean, radiant heat with tight spectral control, so you get sub-second thermal response and a stable steady-state temperature. Across the wafer, you hold thermal uniformity within ±0.1°C, and that number shows up directly as repeatable critical dimension and resist profile. The quartz envelope and engineered fixtures are rated for Class 1–100 cleanrooms—zero particle generation and low outgassing. You can bank on 24/7 reliability, long lamp life, and stable output; we’ve got units running 5,000+ hours with less than a 5% drop. Why It Fits the Process In Evatec evaporation, the lamp is the knob on substrate temperature during soft bake and hard bake. Get that precision, and you cut photoresist rework, improve adhesion, and tighten line-width control. The payoff is consistent throughput, less scrap, and maintenance windows you can actually plan around. Energy use stays in line because the ramp to setpoint is fast, and thermal inertia is low, so recipe changes settle quickly without overshoot. What to Watch For Match the lamp to the exact Evatec evaporator model and the specified bake module. Double-check the connector, voltage, and cooling path alignment; a mismatch will cook hot spots and kill the lamp early. Build in periodic calibration for the pyrometer path to keep accuracy honest. Expect shorter life if you run at sustained peak power, so stay at the lowest setpoint that still clears the process spec.

Evatec on Pure Quartz Infrared Heaters

Evatec evaporator heating lamp