Incident illumination unit and microscope to which incident...

Details Incident illumination unit and microscope to which incident... Incident illumination unit and microscope to which incident...

2005-03-08

2005-03-08

Dunn, Drew A. (Department: 2872)

Optical: systems and elements

Compound lens system

Microscope

C359S368000, C359S383000, C359S699000, C359S700000

Reexamination Certificate

active

06865021

ABSTRACT:
An incident illumination unit which can be installed in a slot of an incident illumination device to which a field stop unit or an aperture stop unit is installed, comprises an optical element holding part configured to hold an optical element, a focus mechanism which moves the optical element holding part along an incident illumination axis of the incident illumination device, an insertion and withdrawal mechanism which moves the focus mechanism to a vertical direction to the incident illumination axis, and a outer frame which integrally accommodates the optical element holding part, the focus mechanism and the insertion and withdrawal mechanism and has a slot shape which is inserted and positioned to the slot part of the incident illumination device.

REFERENCES:
patent: 5210644 (1993-05-01), Nomura
patent: 5677791 (1997-10-01), Yoshibe et al.
patent: 6437912 (2002-08-01), Shiba et al.
patent: 06-23017 (1994-03-01), None
patent: 10-073768 (1998-03-01), None

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