X ray diffraction (XRD) heating lamp

Tue, 09 Jun 2026 01:32:03 +0800

On the metrology floor, an XRD reading is only as solid as the stage’s thermal stability. A 0.5°C drift will move your lattice-parameter results, and that’s an easy way to send wafers into rework and knock lithography bakes out of spec. We designed our XRD heating lamp to clamp down on that uncertainty right where it starts. What matters under the hood The lamp uses short-wave infrared elements inside a quartz envelope, so heat couples directly into the chuck with low thermal mass. It’s closed-loop control, with a calibrated sensor mapped across the entire heated zone. You end up with wafer-level uniformity within ±0.1°C across the measurement region, and repeatability that holds the same setpoint cycle after cycle—even after thousands. Power density is tuned to ramp fast without overshoot, and output stays stable on 24/7 duty thanks to controlled duty-cycle management. Why this plays in semiconductor metrology In this business, the thermal budget is part of the measurement. This lamp keeps the chuck at the intended temperature with tight distribution, so XRD scans stay consistent lot-to-lot. It’s compatible with cleanroom Class 1–100, and the materials and seals were picked to keep particle generation as close to zero as possible. In production, that translates to fewer false excursions, stable photoresist bake behavior on adjacent tools, and cycle times you can count on. Energy use is handled through efficient coupling and smart power scheduling—not by shaving temperature margin. What you need to know up front The lamp is engineered to meet international semiconductor equipment expectations and works as a validated, equivalent-performance alternative for common platform interfaces. Installation comes down to matching the mechanical envelope, connector type, and optical alignment tolerances. Field retrofits are straightforward, but you have to keep the original chuck shielding and sensor calibration in place. Plan on a short commissioning run to finalize the thermal map for your specific wafer sizes and stage materials.

Ray on Handcrafted Warm IR Heaters

X ray diffraction (XRD) heating lamp