Device for use in normalizing readings on a testing machine
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United States of America Patent
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Feb 5, 2013
Grant Date -
Aug 30, 2012
app pub date -
May 7, 2012
filing date -
Dec 12, 2006
priority date (Note) -
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Abstract
An example optic module verification device for use in periodic normalization of a testing machine used to test samples in wells is disclosed. The example testing machine includes a plurality of photon counters that each count photons emitted from different wells. The example verification device includes a plurality of verification wells located so as to each be associated with one of the photon counters when used in the testing machine. The example device also includes a photon emitter in each verification well, each photon emitter including a C14 source, a scintillator adjacent the C14 source, and a filter over the scintillator. The example photon emitters each have a determined initial base value for emitted photons, and each photon emitter is positioned in its verification well to emit photons through the filter to the associated photon counter when used in the testing machine.
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