PANAGOTACOS, GEORGE W.,PELKA, DAVID G.,WINSTON, ROLAND
申请号：
CA2500479
公开号：
CA2500479C
申请日:
2003.09.30
申请国别(地区):
CA
年份:
2012
代理人:
摘要：
An apparatus that includes a lens having a light entrance end forming arecess, a heat sink having an end portion facing the recess, and a lightsource positioned to transmit light via the recess into the lens. The lightsource is in thermal communication with the heat sink, which conducts awayheat generated by the light source. The apparatus may be used to provideoptical radiation at various wavelengths, activating tooth whitening material,and curing dental composite material.
