Particle capture device
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United States of America Patent
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Feb 23, 2016
Grant Date -
Feb 12, 2015
app pub date -
Aug 7, 2013
filing date -
Aug 7, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In example embodiments, particle collection efficiency in aerosol analyzers and other particle measuring instruments is improved by a particle capture device that employs multiple collisions to decrease momentum of particles until the particles are collected (e.g., vaporized or come to rest). The particle collection device includes an aperture through which a focused particle beam enters. A collection enclosure is coupled to the aperture and has one or more internal surfaces against which particles of the focused beam collide. One or more features are employed in the collection enclosure to promote particles to collide multiple times within the enclosure, and thereby be vaporized or come to rest, rather than escape through the aperture.
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