Optics: measuring and testing – Sample – specimen – or standard holder or support
Patent
1980-12-01
1984-12-18
Rosenberger, R. A.
Optics: measuring and testing
Sample, specimen, or standard holder or support
356418, 356445, 422 64, G01N 2100
Patent
active
044888104
ABSTRACT:
A chemical analyzer in which a component of a material to be analyzed acts on a coloring (dye forming) reagent in a reagent layer of the multi-layer type chemical analysis slide. The material to be analyzed is then maintained at a constant temperature for a predetermined period of time, after which the degree of coloration thereof is measured optically so that predetermined parameters of the material are measured with a very high accuracy. A conveying mechanism conveys the chemical analysis slides along an analysis path between two stationary temperature control plates. A first one of the plates having a cut therein has a heating element buried therein extending throughout the plate. The opposed plate has a heating element extending into regions not opposed by the cut in the first plate. The second plate has plural openings through which an irradiating light beam from a light source of a photometric mechanism and a reflection light beam from slides positioned over the openings pass. The lower plate has corresponding reference reflection plates at positions which are irradiated by the irradiating light beam.
REFERENCES:
patent: 3540808 (1970-11-01), Harmon
patent: 3574064 (1971-04-01), Binnings et al.
patent: 4101222 (1978-07-01), Mathisen
patent: 4116564 (1978-09-01), Renaud et al.
patent: 4125327 (1978-11-01), Margolis
patent: 4256696 (1981-03-01), Soodak
patent: 4268173 (1981-05-01), Barnard et al.
patent: 4279514 (1981-07-01), Blumel et al.
Hatanaka Isamu
Sekine Takashi
Yazawa Kenichiro
Fuji Photo Film Co. , Ltd.
Rosenberger R. A.
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