AFM (Atomic Force Microscope) heater

Thu, 04 Jun 2026 03:46:01 +0800

On the fab floor, AFM metrology can fall apart when thermal drift steals resolution. A 0.5°C swing is enough to knock probe calibration off, and photoresist bake history can throw critical dimension uniformity sideways. We built the AFM heater to keep wafer-level temperature disciplined, so your scans and bakes stay within spec, shift after shift. What matters, technically We hold wafer-level thermal uniformity at ±0.1°C across the scan area, using a short-wave halogen source with a quartz reflector and a low-outgassing ceramic fixture. The heater comes in a Class 1–100 cleanroom-compatible package, sealed to avoid particle generation and condensates. Control is closed-loop, traceable to NIST standards, with repeatability better than 0.05°C. Power density is tuned for fast settling—sub-second stabilization—without blowing the thermal budget on sensitive stacks. Why this works where it counts AFM heaters sit right where lithography and metrology meet. Match the soft bake and hard bake window on photoresist, and line width stays stable. Keep that window intact during AFM thermal probing, and CD-SEM correlation stays honest. The payoff: fewer retries, less scrap, and throughput you can plan around. Energy use drops because the heater hits setpoint quickly and idles at low standby power. Reliability is built for 24/7 operation, with field data showing stable output over 5,000+ hours and minimal drift in calibration checks. What you need to keep straight This heater is designed for Class 1–100 cleanroom use, but it needs a solid mechanical mount and clean power. Expect tight thermal coupling—misalignment or poor contact will cost you uniformity. Installation tolerances are tight, too. Sub-millimeter alignment and the right thermal interface material are mandatory. We provide dimensional interface drawings and connector specs so you can integrate without modifying the AFM stage, and we recommend periodic recalibration aligned with your preventive maintenance schedule.

AFM on Advanced IR Heating Technology

AFM (Atomic Force Microscope) heater