Metal halide lamp for UV curing

Sun, 07 Jun 2026 06:56:54 +0800

On a PCB line, that hairline gap between fine traces isn’t a “potential” defect. It’s a guaranteed one if you don’t control the spectrum. When solder mask has to cure across 50μm features without bridging or coming up tacky, the UV source isn’t just a lamp—it’s your process control. What actually matters is the relationship between spectral output, irradiance, and energy density. Our metal halide UV lamps give you stable, high-intensity output centered on the 365nm band—right where most solder mask photoinitiators absorb best. That wavelength match drives fast cross-linking, and the reflector stack concentrates the beam to hit high peak irradiance. In practice, you get curing energy density delivered at the right dose, not just brute power. Why it works here is straightforward: PCB lines are thin, and the cure window is tight. The lamp holds repeatable output across the full exposure width, so you get uniform adhesion on inner layers and consistent surface cure on outer layers—without hot spots that over-cure or shadows that leave the ink gummy. The payoff is fewer reworks, stable yield, and cycle times you can plan around. A couple of shop-floor realities: metal halide sources need stable ballast and steady cooling airflow to hold spectral output and lamp temperature. If either drifts, output drifts and lamp life takes a hit. We design for ozone-free operation, and we’re specific about reflector cleanliness and lamp positioning tolerances. Matching the lamp to your printer’s reflector geometry and power interface isn’t a nice-to-have.It’s the difference between a process that runs predictably and one that fights you every day.

Metal on UV Bulbs Factory

Metal halide lamp for UV curing