Leybold vacuum heater spare

Sat, 27 Jun 2026 01:20:36 +0800

On the line, a soft bake profile drifts by 0.2°C and the photoresist starts acting different. CD uniformity slips. Rework piles up. In lithography, thermal stability isn’t a preference—it’s the process. What matters under the hood We build the Leybold vacuum heater spare around short-wave infrared elements and a quartz-based thermal stack that holds wafer-level uniformity to ±0.1°C across the bake surface. The heater body is machined for vacuum integrity, with matched flanges and shielded terminations to keep outgassing and particle generation in check. We match resistance and geometry so power density stays stable at the voltage your chamber expects, and temperature repeatability stays inside the tight thermal budget of advanced photoresist. Why it holds up in production You run soft bake and hard bake under vacuum to control solvent removal and resist flow. With this spare, the setpoint holds, cycle after cycle, so line-width control and defect density don’t wander. Cleanroom Class 1–100 compatibility stays intact because the materials and seams are chosen for low particulation, and the design resists thermal flaking. The payoff is fewer excursions, stable yields, and maintenance windows you can actually plan around. The details that keep you out of trouble Matching the spare to the chamber is exacting. Confirm the flange type, pin layout, and thermal coupler location before you pull the old unit, or the profile won’t land where the recipe expects. Plan for a short ramp-up period after install to re-learn the chamber’s heat dynamics; after that, uniformity and repeatability settle in as the baseline.

Spare on Immediate Infrared Heating Solutions

Leybold vacuum heater spare