Light curing device

Details Light curing device Light curing device

1998-06-17

2000-04-04

Anderson, Bruce C.

Radiant energy

Radiant energy generation and sources

With radiation modifying member

250504R, G01J 100

Patent

active

060464607

ABSTRACT:
A hand-held light curing device has a light source and a light guiding device having a light receiving opening. A lens arrangement with a focusing lens is positioned between the light source and the light guiding device. The focusing lens has first and second cut-off filters on proximal and distal surfaces thereof, respectively. The cut-off filters are preferably vapor-deposited on the surfaces. Preferably, the focusing lens has a convex surface facing the light source, and the first filter has reflective properties with respect to infrared light.

REFERENCES:
patent: 4112335 (1978-09-01), Gonser
patent: 4229658 (1980-10-01), Gonser
patent: 4292664 (1981-09-01), Mack
patent: 4298806 (1981-11-01), Herold
patent: 4716296 (1987-12-01), Bussiere et al.
patent: 5184044 (1993-02-01), Thomas
patent: 5385344 (1995-01-01), Gonser
patent: 5416624 (1995-05-01), Kartensen

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