Radiant energy – Luminophor irradiation
Patent
1978-04-24
1980-02-12
Willis, Davis L.
Radiant energy
Luminophor irradiation
250461B, 250373, 356 39, 356318, 356339, G01J 158, G01N 2138, G01N 3316, G01N 2100
Patent
active
041885430
ABSTRACT:
Disclosed is a radiation collector apparatus and method primarily for counting and analyzing a flow of dilute particulate material, such as blood cells, sperm cells and the like, through the use of radiation detection. The radiation collector apparatus comprises a reflector chamber having an ellipsoidal reflector surface with a pair of ellipsoidal foci defining a primary focus and secondary focus. A window is formed in the ellipsoidal reflector surface and is centered on a symmetry axis defined by the primary and secondary foci. In operation the radiation collector apparatus is provided with an intensified beam of radiation and a stream of particulate material aligned to intersect the intensified beam of radiation at one of the ellipsoidal foci. Detectable radiation, either directly or after one or more reflections, proceeds through the window in an organized beam for detection.
REFERENCES:
patent: 1463623 (1923-07-01), McCarthy
patent: 2064252 (1936-12-01), Fortney
patent: 3028483 (1962-04-01), Simmon
patent: 3494693 (1970-02-01), Elmer
patent: 3784836 (1974-01-01), Tolliver
patent: 3946239 (1976-03-01), Salzman et al.
patent: 3989381 (1976-11-01), Fulwyler
Brunsting Albert
Hogg Walter R.
Coulter Electronics Inc.
Fields Carolyn E.
Newton William A.
Willis Davis L.
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