Liquid inspection slide

Details Liquid inspection slide Liquid inspection slide

1975-01-30

1976-06-01

McGraw, Vincent P.

Optics: measuring and testing

Sample, specimen, or standard holder or support

350 95, 356246, G01N 2116, G01N 110

Patent

active

039613461

ABSTRACT:
Transparent organoplastic apparatus is described having at least one capillary chamber formed therein communicating with an outer edge of the apparatus. This chamber has a flat bottom wall and a flat upper wall forming the capillary chamber therebetween. The upper wall has an outer edge extending inwardly in a concave fashion from the outer edge of the apparatus, exposing the portion of the bottom wall between the outer edge of the upper wall and the outer edge of the apparatus. Liquid to be inspected is placed on this exposed portion of the bottom wall at the concave outer edge of the upper wall, and capillary action draws such liquid into the capillary chamber where it can be microscopically examined.

REFERENCES:
patent: 3705000 (1972-12-01), Guerra
patent: 3777283 (1973-12-01), Elkins
patent: 3814522 (1974-06-01), Clark et al.

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