Apparatus and method for curing materials with radiation
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United States of America Patent
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Feb 21, 2017
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N/A
app pub date -
Oct 11, 2013
filing date -
Jan 20, 1998
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Abstract
An instrument for curing light-curable compounds curable in the mouth of a patient, including a housing including a handle portion and a barrel portion removably secured with respect to the handle portion. A plurality of solid state, light-emitting semiconductor junction elements form an array on a substrate, and collectively emit light having wavelengths within a narrow band of wavelengths suitable for curing a compound. The array of light-emitting elements are positioned proximate to the distal end of the barrel portion, and an elongated heat-conducting element extends from the distal end of the barrel portion toward the proximal end for conducting heat away from the array. A generally clear layer extends on the substrate and over the plurality of light-emitting semiconductor junction elements, and a non-imaging optical focusing device is positioned at the distal end of the barrel portion to collimate the emitted light.
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