Patterned plastic optical components

Details Patterned plastic optical components Patterned plastic optical components

1991-07-08

1992-07-07

Arnold, Bruce Y.

Optical: systems and elements

Compound lens system

Microscope

359398, G02B 2134

Patent

active

051288028

ABSTRACT:
A transparent plastic slide for microscopic examination of fluids with at least one grid defined on the floor portion of the slide. The grid consisting of lines rising symmetrically from the floor portion of the slide with a line width of from about 0.05 to 0.005 mm. The lines defining enclosed areas, in which particles suspended in sample fluids can be counted. The sizes of enclosed areas being selected to be within the field of view for microscopic examination.

REFERENCES:
patent: 1647865 (1927-11-01), Hausser
patent: 1824097 (1931-09-01), Ott
patent: 1918351 (1933-07-01), Schulze
patent: 1994483 (1935-03-01), Ott
patent: 2415480 (1947-02-01), Gassert
patent: 3777283 (1973-12-01), Elkins
patent: 4455893 (1984-06-01), Astero
patent: 4637693 (1987-01-01), Mitchell

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