Patent
1978-04-17
1979-07-10
Henry, Jon W.
350 91, G02B 2110
Patent
active
041605780
ABSTRACT:
The annular reflector for a dark-field, vertically-illuminated microscope objective must have a peculiar curvature to obtain a uniform distribution of the light on the object surface being viewed. Four reflectors are disclosed. Each reflector is suitable for use in a respective microscope objective.
REFERENCES:
patent: 1943510 (1934-01-01), Bauersfeld et al.
patent: 1985072 (1934-12-01), Bauersfeld
patent: 2079621 (1937-05-01), Land
Gottlieb Nathan
Sussman Milton H.
American Optical Corporation
Duggan Jeremiah J.
Henry Jon W.
Schneeberger Stephen
Spencer Alan H.
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