Optical: systems and elements – Compound lens system – Microscope
Reexamination Certificate
2008-01-22
2008-01-22
Nguyen, Thong Q (Department: 2872)
Optical: systems and elements
Compound lens system
Microscope
C359S368000, C359S385000
Reexamination Certificate
active
07321462
ABSTRACT:
An inverted fluorescence microscope is described which irradiates an excitation light onto a sample for observation of a fluorescent image of the sample. The fluorescence microscope includes (a) a transmissive illumination light source, which is arranged above a stage for placing the sample and the transmissive illumination light source is arranged facing a horizontal direction; (b) a tilt mirror, which reflects light from the transmissive illumination source and illuminates the sample on the stage from above; (c) a transmissive illumination optical unit including at least the tilt mirror is disposed so as to move in a direction in which the transmissive illumination optical unit is brought away from the stage from a normal position; and (d) a sample cover for shielding a light from the stage, wherein the sample cover is displaceable so as to expose the stage.
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English translation of the Japanese reference No. 6-5679.
English translation of the Japanese reference No. 2004-245979.
Keyence Corporation
Kilyk & Bowersox P.L.L.C.
Nguyen Thong Q
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