Heat sink for dental curing light comprising a plurality of...

Dentistry – Apparatus – Having means to emit radiation or facilitate viewing of the...

Reexamination Certificate

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Reexamination Certificate

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07056116

ABSTRACT:
A dental curing light comprises an elongate hollow wand housing having a proximal first end, a distal second end, a light source disposed at the distal second end of the wand housing, and a heat sink disposed at least partially within the wand housing. The heat sink is in contact with the light source, and comprises a plurality of layers or regions comprising different materials. A first layer or region comprises a first material having a higher thermal conductivity than that of a second layer or region, while the second layer or region comprises a second material having a specific heat greater than that of the first layer or region.

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