Gallium iodide lamp for exposure unit

Mon, 08 Jun 2026 07:47:11 +0800

On the press floor, exposure units don’t run on vibes. They run on spectral control. If the wavelength and peak irradiance are off, you’re wasting time, beating up stencils, and gambling on uneven cure across substrates. We build gallium iodide lamps for exposure units that deliver engineered spectral output, tuned to the photoinitiator response in offset, flexo, and screen ink systems. What matters technically Gallium iodide doping pushes the dominant emission into the 365nm to 385nm window, where photopolymers absorb with high quantum efficiency. Peak irradiance at the substrate plane stays stable because the reflector is dichroic-coated, keeping dose repeatability run after run. We match lamp length, arc gap, and cold-spot geometry to your reflector envelope so intensity distribution stays uniform. Ozone-free operation is standard, and the quartz envelope is built for high UV transmission and stable output over thousands of hours. In offset, the narrowband output supports fast cross-linking without dumping excess heat, so plate integrity and registration stay solid. In flexo, consistent spectral density across the web width cuts mottle and pinholing on thin films. In screen, the energy density speeds emulsion exposure and stencil cure, shortening makeready and cutting down ghosting. The lamp construction is patented and our manufacturing is proprietary, which gives you control over supply and compliance—less exposure to import uncertainty and better protection for production continuity. The short version? Matching the lamp to the exposure unit optics isn’t optional. Check reflector focal length, shutter cycle rate, and power supply compatibility. Our lamps are wound for specific arc distances and voltage profiles. Output stays stable, but end-of-life is defined by a measurable drop in irradiance, not by when the lamp looks dead. Plan replacements around your measured dose budget, and always run ozone-free ventilation—protects the lamp and your operators.

Exposure on UV Lamp Direct

Gallium iodide lamp for exposure unit