Ultra pure water heating lamp

Mon, 29 Jun 2026 07:10:38 +0800

On the fab floor, temperature drift during photoresist bake or wafer drying isn’t some academic exercise. It’s a yield hit you can measure. A 0.5°C excursion will move critical dimensions on you, and a slow ramp eats thermal budget you can’t spare. Ultra-pure water heating lamps are there to keep those steps inside the process window, shift after shift. What matters under the hood We spec short-wave infrared emitters in a quartz envelope, matched to how ultra-pure water and photoresist absorb. You get direct, fast energy transfer with minimal heat mass. Temperature uniformity across the target holds at ±0.1°C, and repeatability is nailed down by closed-loop control right at the point of use. The lamp head runs cleanroom-compatible from Class 1 to 100, generates zero particles by design, and keeps the fluid path sealed so you don’t get ion leaching. Units deliver stable output for 5,000+ hours, with intensity drift under 5%. Why it fits the process In wafer drying, the lamp cuts cycle time while leaving surfaces spot-free. In lithography, soft bake and hard bake profiles track tight, which improves CD control and cuts scum. In packaging, the rapid cure shortens oven dwell without hurting adhesion. In cleaning and drying, the system dries structures without re-deposition, so scrap and rework drop. Energy use falls because the heat goes straight into the process, not into the room. What you need to watch The lamp drops into existing wet benches and bake tracks, but alignment to the substrate surface is the make-or-break for uniformity. Expect a quick commissioning window to dial in flow, power density, and temperature setpoints. The quartz holds up, but it still needs careful handling and periodic inspection to keep particle performance where it should be.

Ultra on Infrared Heat Element Corporation

Ultra pure water heating lamp