UV lamp for semiconductor litho

Fri, 03 Jul 2026 10:04:32 +0800

On a fully automated elliptical screen line, the flash-dry interval is what sets the pace. If the UV lamp can’t deliver enough energy density in milliseconds, the conveyor has to wait—and throughput falls apart. We built this lamp around semiconductor litho specs specifically to take that bottleneck out, shortening flash time without giving up cure quality. What you can measure is what matters. The output stays centered at 365 nm, matched to the photoinitiator absorption in UV-curable inks and photopolymers. Peak irradiance hits 12,000 mW/cm² at the substrate plane, and you can clear 800 mJ/cm² within a 300 ms dwell. The reflector uses high-purity aluminum with a dichroic coating, pushing UV reflectivity above 92% while keeping IR heat load in check. Inside, it’s a high-pressure mercury vapor lamp core in an ozone-free quartz envelope, and closed-loop arc-stability control keeps output variance under 3% across the duty cycle. Why this translates on the floor is simple. Cut flash dwell, and you get more cycles per hour. Drop flash time by 40%, and the same elliptical printer can run more passes per shift while holding surface cure and adhesion. Under-cure rejects drop, energy per piece goes down, and lamp life holds at 5,000+ hours with less than 5% output drop. A couple of real-world notes. This lamp is particular about positioning and cooling. Keep the gap to the substrate exactly as specified, and hold airflow within ±10% of rated flow—otherwise you’ll see hot spots and the lamp will age fast. Also double-check electrical compatibility with your ballast and connector; a mismatched driver will distort the spectral profile and cut lamp life.

Semiconductor on UV Lamp Zone

UV lamp for semiconductor litho