Microscope with laser light source and protective device for...

Details Microscope with laser light source and protective device for... Microscope with laser light source and protective device for...

2007-11-13

2007-11-13

Allen, Stephone B. (Department: 2872)

Optical: systems and elements

Glare or unwanted light reduction

C359S368000, C359S894000

Reexamination Certificate

active

11254879

ABSTRACT:
The invention is directed to a microscope in which laser light is used to irradiate a sample to be examined and which is outfitted with a protective device for preventing eye damage due to laser light. It is the object of the invention to provide a protective device for microscopes of the type described above which ensures protection against eye damage and visibility of the sample. According to the invention, the protective device has at least one area which is not transparent to harmful radiation components, but which is transparent to harmless, visible radiation components, so that an observer can see the sample through this area without risk of eye damage.

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patent: 5634923 (1997-06-01), Brenner et al.
patent: 5850038 (1998-12-01), Ue
patent: 6258081 (2001-07-01), Festag et al.
patent: 6369352 (2002-04-01), Aman et al.
patent: 2002/0101653 (2002-08-01), Muentener
patent: 2005/0015860 (2005-01-01), Reaux
patent: 3638874 (1987-05-01), None
patent: 10344294 (2005-04-01), None
patent: WO 03/103523 (2003-12-01), None

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