Patent
1984-08-24
1986-05-20
Henry, Jon W.
350507, G02B 2316, G02B 2100
Patent
active
045897425
ABSTRACT:
A microscope has a support structure which comprises a base, an upright portion, a cross-head and an objective-turret assembly mounted on an underside of the cross-head. The cross-head is mounted on the upright portion and contains principal components for forming an image. The upright portion and the cross-head define a generally planar division therebetween, whereby a generally planar gas-tight seal can be provided between the upright portion and cross-head. This enables the upright portion and the base to be disposed in a gas-tight chamber while the cross-head is located outside the chamber.
REFERENCES:
patent: 3393032 (1968-07-01), Crisler et al.
patent: 4405202 (1983-09-01), Kimball
C. Reichert Optische Werke AG
Henry Jon W.
Raines Stephen
Spencer Alan H.
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