Replacement filament for fab lamp

Fri, 03 Jul 2026 09:26:17 +0800

On the fab floor, the photoresist bake is where you set the thermal budget for the whole lithography cycle. If the lamp starts to underperform, soft bake and hard bake temperatures drift, and you know it within minutes—CD shift shows up, scumming follows, and yield takes a hit. We built our replacement filament to keep that thermal profile steady, shift after shift. Here’s what actually matters: repeatability under load. The filament is specified for short-wave or medium-wave profiles, so irradiance stays stable and you get tight temperature control right at the hotplate surface. You hit wafer-level thermal uniformity of ±0.1°C because emission is controlled and the quartz envelope geometry stays consistent. We match connector types and envelope dimensions to the original equipment, and it works with standard power supplies and thermal controllers. Materials are chosen for low outgassing and zero particle generation, so you’re protected in Class 1–100 cleanrooms and particle counts don’t spike. Why it works in practice is simple. You get photoresist bake precision that holds through thousands of cycles, so scrap and rework drop. Energy draw is optimized, and the longer service life means fewer lamp changes—directly cutting unplanned downtime. The payoff is predictable process windows and CD control that stays stable across the lot. A few field notes. Installation means matching lamp orientation and hitting the fixture torque limits—misalignment will create hot spots and kill uniformity. Check the reflector condition and clean the socket contacts before you swap the lamp in. Run outside the specified voltage window and you shorten life and invite thermal drift. For the best results, pair the filament with routine calibration of your temperature sensors.

Filament on Premium Infrared Heat Ace

Replacement filament for fab lamp