| 摘要 |
Disclosed is a LED curing light device for curing of photo-polymerization materials. The device has a plurality of LED sources and a plurality of Fresnel lenses. The LED source is powered and controlled by a drive board and batteries providing high power curing light in the range of 300 to 500 nm and optical power in the range of 100 to 800 mW. The Fresnel lenses couple the curing light efficiently to a focused spot on a curing object
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