High-peak-irradiance microwave-powered UV lamps for processing of coatings, inks, and adhesives

Richard W. Stowe

doi:10.1117/12.140866

22 January 1993 High-peak-irradiance microwave-powered UV lamps for processing of coatings, inks, and adhesives

Richard W. Stowe

Proceedings Volume 1764, Ultraviolet Technology IV; (1993) https://doi.org/10.1117/12.140866
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

The number and variety of applications for UV curable inks, coatings, and adhesives continue to expand at a rapid pace, and pose new design challenges to increase cure efficiency, speed, and the physical properties of the cured polymer film. The latest developments in microwave powered lamps for industrial processing are presented. Among these are: (1) the selection and control of the lamp emission spectra to match the optical properties of the film and its photoinitiator, (2) sustained high power lamp operation at 6 kilowatts, and (3) the use of absorptive dichroic reflectors to mange the relative components of UV and infrared energy in the highly focused radiation delivered to surfaces being processed. The design considerations of high powered UV lamps and dichroic reflectors for them are presented.

Citation Download Citation

Richard W. Stowe "High-peak-irradiance microwave-powered UV lamps for processing of coatings, inks, and adhesives", Proc. SPIE 1764, Ultraviolet Technology IV, (22 January 1993); https://doi.org/10.1117/12.140866

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