Flow through light scattering device
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United States of America Patent
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-
Jul 8, 2003
Grant Date -
May 8, 2003
app pub date -
Jan 29, 2002
filing date -
Nov 2, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for identifying microorganisms and other microscopic particles in a fluid, includes a laser that directs a laser beam (14) through a detect zone (20) and a plurality of photodetectors (30) that detect light scattered in different directions from a particle at the detect zone, and includes a carrier (110) that confines fluid to movement along a narrow path. The carrier includes a glass sphere (112) with a passage (116) for carrying the fluid. The spherical surface allows light scattered at a large angle from the direction of the laser beam, to pass through the glass sphere to its outside for detection there.
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