Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1974-02-19
1977-05-10
Rubin, David H.
Optics: measuring and testing
Range or remote distance finding
With photodetection
350 92, 356244, G02B 2134
Patent
active
040225216
ABSTRACT:
A molded transparent plastic specimen slide for use in the microscopic examination of biological samples such as blood includes a molded slide having a pattern of micronsize projections extending from the surface which support a glass cover plate in spaced parallel relation to the slide to thereby precisely control the specimen thickness and facilitate the examination of uniform, extremely thin samples. The slide is molded of an optically clear, readily wettable rigid plastic material such as an acrylic resin. The optical clarity of the slide and cover plate materials coupled with the extremely thin cover plate and sample layer enables accurate viewing of the sample specimen on any interference phase contrast or bright field microscope.
REFERENCES:
patent: 3198064 (1965-08-01), Moore
patent: 3447863 (1969-06-01), Patterson
patent: 3510194 (1970-05-01), Connelly
patent: 3742600 (1973-07-01), Lowell
patent: 3777283 (1973-12-01), Elkins
Hall Raymond V.
Harmsen Larry J.
Isleifson Robert E.
Honeywell Inc.
Mersereau Charles G.
Rubin David H.
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