Sheetlike object such as microscope slide

Details Sheetlike object such as microscope slide Sheetlike object such as microscope slide

1987-03-31

1988-10-11

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

350354, 428210, G02B 2134, B01L 100

Patent

active

047770201

ABSTRACT:
A sheetlike object with a planar front face, a linear lower edge, a thickness about 0.5-5 mm and a raised pattern on a portion of the front face about 50-500 micrometers forwardly of the front face. For example, a rectangular microscope slide 25 mm wide, 75 mm high and 1 mm thick coated on one side by an adherent coating 50-500 micrometers thick. Two such slides with abutting coating portions of 50-125 micrometer thickness form a capillary gap between the remainder of the planar surfaces of 100-250 micrometer thickness. One such slide with a coating of 100-250 micrometer thickness forms a corresponding gap when placed against a flat (uncoated) slide. A similar raised portion is created by affixing a thin object (e.g., a 150 micrometer thick cover slip) to a portion of a microscope slide. Liquid is drawn into and out of the capillary gap by contacting the edge of the gap with liquids and then by absorbent.

REFERENCES:
patent: 2302830 (1942-11-01), Axelrod
patent: 2863319 (1958-12-01), Melin
patent: 3358496 (1967-12-01), Farmer
patent: 4447140 (1984-05-01), Campbell et al.
patent: 4481246 (1984-11-01), Melisz et al.
patent: 4624882 (1986-11-01), Melisz et al.
patent: 4679914 (1987-07-01), Rosenberg

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