Infrared heater for LCD panel fab

Thu, 18 Jun 2026 04:37:23 +0800

Out on the line, temperature drift isn’t some academic point—it’s scrap. In an LCD panel fab, a single hotspot during photoresist bake can throw overlay off, and a cold zone will under-cure the edges. We built these infrared heaters to kill that variability where it starts. What actually matters We run short-wave infrared with fast-response quartz elements, so the heat is directional and quick. You’re heating the substrate, not the chamber air. That gives wafer-level uniformity within ±0.1°C across the active surface. Closed-loop control holds setpoint repeatability under 0.1°C, so your soft bake and hard bake profiles stay consistent shift after shift. The heaters are cleanroom compatible for Class 1–100 environments, using low-outgassing materials and a design that doesn’t create particle events. Here’s why this works where it counts—lithography and photoresist processing. Thermal budget is tight. These heaters bring the substrate up to temperature fast, so cycle time drops without sacrificing profile accuracy. Tighter uniformity means fewer edge defects and better yield, and the cleanroom-ready build keeps particle counts low enough to protect overlay and critical dimensions. You also save energy because the heat goes straight to the target, not into the room. A couple of practical notes. These heaters need line-of-sight placement and a clean power profile—voltage fluctuations will shift output and hurt uniformity. Plan on a stable supply and confirm mechanical clearances along the substrate path. Once aligned, the system runs long intervals between service, but alignment and cleanliness have to be part of routine preventive maintenance.

LCD on IR Heating Lamp Parts

Infrared heater for LCD panel fab