Heat sink for dental curing light comprising a plurality of different materials
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United States of America Patent
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Jun 6, 2006
Grant Date -
Apr 27, 2006
app pub date -
Oct 26, 2004
filing date -
Oct 26, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
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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