Observation apparatus provided with immersion objective lens

Details Observation apparatus provided with immersion objective lens Observation apparatus provided with immersion objective lens

2008-01-07

2010-12-14

Nguyen, Thong (Department: 2872)

Optical: systems and elements

Compound lens system

Microscope

C359S896000

Reexamination Certificate

active

07852552

ABSTRACT:
An observation apparatus for observing an observation object mounted at an observation position on a stage through an immersion objective lens placed below the observation object. The observation apparatus has a liquid pouring device, constructed to be relatively movable with respect to the immersion objective lens, pouring a liquid on a top lens surface of the immersion objective lens from the upper side of the immersion objective lens at a distance from the observation position on the stage; and a position control device automatically adjusting relative positions of a liquid pouring position of the liquid pouring device and the immersion objective lens and automatically adjusting relative positions of the immersion objective lens on which the liquid is poured by the liquid pouring device and a desired observation position on the stage.

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Extended European Search Report, dated May 27, 2008, in corresponding foreign application, 8 pp.
European Search Report dated. Sep. 2, 2009.

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