Fluorescence microscope apparatus

Optical: systems and elements – Compound lens system – Microscope

Reexamination Certificate

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Details

C359S510000, C359S513000

Reexamination Certificate

active

07903327

ABSTRACT:
A clear fluorescence image is obtained by preventing external light from mixing with weak fluorescence emitted from a specimen, while reducing the size of the overall apparatus. The invention provides a fluorescence microscope apparatus including a stage for mounting a specimen; an objective lens for collecting fluorescence from the specimen; a moving mechanism for relatively moving the stage and the objective lens; a first cover member secured to the objective lens; a second cover member, provided at the stage, for enclosing a tip of the objective lens and a space above the stage, together with the first cover member; and a light-blocking member allowing relative movement of the first and second cover members while preventing leakage of light from a gap between the two cover members.

REFERENCES:
patent: 4311358 (1982-01-01), Gibbons et al.
patent: 4405202 (1983-09-01), Kimball
patent: 4452527 (1984-06-01), Turner et al.
patent: 6215586 (2001-04-01), Clark
patent: 7649686 (2010-01-01), Harada et al.
patent: 2005/0237604 (2005-10-01), Kawano et al.
patent: 2006/0050276 (2006-03-01), Tsuyuki et al.
patent: 542371 (1931-12-01), None
patent: 2348567 (1975-04-01), None
patent: 0078774 (1983-05-01), None
patent: 2006-071544 (2006-03-01), None
European Search Report dtd Jul. 14, 2008, in corresponding foreign application, 6 pp.

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